CHUYN KHOA PC

BI TP THC HNH MN HC: MNG CN BNThi lng: 10 bui

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BI

NI DUNG BI TP 1.Thit k s mng l mt vn kh quan trng trong qu trnh thi cng v qun l, n ng vai tr quyt nh n s thnh cng hay tht bi ca mt doanh nghip. S dng cng c MS Visio v cc topologies trong mng LAN nh hnh sau:

GHI CH a source MS OFFICE 2003 ; My PC ca hv phi c a CDROM ;

TNG QUAN MNG MY TNH

2.Dng cng c v m hnh mng WAN vi yu cu sau: a. Kt ni nhiu mng LAN nh li vi nhau to thnh mng WAN. ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... b. Mi mng LAN nh v thm 1 thit b Router (thit b nh tuyn) kt ni cc mng LAN li vi nhau.

Software cn thit : didyma, Solarwin , Virtual Ping;

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........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... 3. Trong mng LAN th Topology l cch b tr cc phn t hay phn on (segment) mng theo mt v tr no . Hnh bn l kiu kt ni mng hnh sao, mi my trn mng c ni vi nhau thng qua thit b trung tm nh l Hub hay l Switch. Hy nu nhng u im v nhc im ca m hnh mng ny.

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CHUYN KHOA PC

........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... 4.Hy chuyn i cc s thp phn sang s nh phn: a. 123 b. 67 c. 50 d. 100 e. 127 f. 254

........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... 5.Chuyn i cc s nh phn sau sang s thp phn v s thp lc phn. a. 1100011 1 b. 0111000 0 c. 0110001 0 d. 01010000 e. 1111100 1 f. 01101110

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CHUYN KHOA PC

........................................................................................................................................................... 6.Trong m hnh OSI c by lp, mi lp c chc nng nhim v khc nhau. Hy cho bit cc thit b mng sau hot ng lp no trong m hnh OSI. a. Cp mng b. Hub c. Switch d. Router

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H thng mng LAN c kt ni Internet;

Nhn xt ca GV:

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1.

Giao thc l chun kt ni m da vo cc my tnh c th trao i cc thng tin vi nhau. Trong giao thc TCP/IP tr thnh mt thnh phn quan trng trong ngnh truyn thng. Hy cho bit 5 ng dng s dng giao thc TCP/IP v UDP trong thc t. ........................................................................................................................................................... ...........................................................................................................................................................

Phng Lab: WinXP, Vista;

GIAO THC V A CH IP

........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... 2. a ch IP ang c s dng hin ti (IPv4) c 32 bit chia thnh 4 Octet ( mi Octet c 8 bit, tng ng 1 byte ) cch m u t tri qua phi bt 1 cho n bt 32, cc Octet tch bit www.ispace.edu.vn

Mng LAN c kt ni Internet;

B CD ( ebooks v tools mng );

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CHUYN KHOA PC

nhau bng du chm (.), bao gm c 3 thnh phn chnh v c chia ra 5 lp A, B, C, D, E. Hin ti dng ht lp A, B v gn ht lp C, cn lp D v E T chc internet ang dnh cho mc ch khc khng phn, nn chng ta ch nghin cu 3 lp u. y l cu trc ca mt a ch IP.

Hy cho bit s bit trong lp mng A, B, C c qui nh cho mi thnh phn: Classbit, NetID v HostID. V dy a ch IP ca tng lp A , B , C? ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... 3. a ch lp A c th phn cho 126 mng v mi mt mng c 16 777 214 my ch. Ni cch khc a ch thc t s t 001.000.000.001 n 126.255.255.254. Tng t nh vy hy tnh s lng mng v s lng my ch cho lp B, C. ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... BI TP MNG CN BN www.ispace.edu.vn Trang 6

CHUYN KHOA PC

........................................................................................................................................................... ........................................................................................................................................................... 4. a ch thc t khng phn trong trng hp tt c cc bit trong mt hay nhiu Octet s dng cho a ch mng hay a ch my ch u bng 0 hay u bng 1. iu ny ng cho tt c cc lp a ch. Trong lp mng A, B, C, hy cho bit s bit thc c dng cho NetID v HostID. ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ...........................................................................................................................................................

5. 192.168.0.1 203.162.4.1

Chuyn cc a ch sau v dng Binary: : ......................................................................................................... : ......................................................................................................... : ......................................................................................................... : .........................................................................................................

203.113.131.10 135.172.16.10 6.

Hy cho bit a ch Broadcast ca subnet sau: 131.18.7.0/255.255.255.0? ...........................................................................................................................................................

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........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... Cho a ch IP: 192.168.1.2/24, a ch no di y c th giao tip c vi a ch trn? hy gii thch ti sao? 192.168.1.0 /24 192.168.2.1 /24 192.168.1.255 /24 192.168.1.254 /24 ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... 8. trn? a. b. c. d. 10.255.255.255 255.0.0.0 255.255.0.0 255.255.255.0 ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... 9. BI TP MNG CN BN Cho a ch IP : 172.16.10.34 /16, a ch trn c th giao tip c vi a ch IP www.ispace.edu.vn Trang 8 Cho a ch IP : 10.10.34.45/8, subnet mask no di y tng ng vi a ch 7.

CHUYN KHOA PC

no di y ? a. 172.16.34.10 /16 b. c. d. 172.16.255.0 /16 172.16.10.255 /16 172.16.255.255 /16 ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ...........................................................................................................................................................

10. Subnet mask no di y khng c s dng trong h thng mng ? a. 255.0.0.0 b. c. d. 255.255.0.0 255.255.255.0 255.255.0.255 ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... BI TP MNG CN BN www.ispace.edu.vn Trang 9

CHUYN KHOA PC

........................................................................................................................................................... ........................................................................................................................................................... 11. Trong dy a ch IP c mt s a ch c dng cho mc ch khc. V d s 127 trong NetID dnh ring cho a Loopback v chun on. Hy k mt s dy a ch khng c php s dng. ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... 12. Cho a ch IP: 172.16.23.56 /20, subnet mask no di y tng ng vi a ch IP trn ? a. 255.255.0.0 b. c. d. 255.255.224.0 255.255.240.0 255.255.255.0 ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... BI TP MNG CN BN www.ispace.edu.vn Trang 10

CHUYN KHOA PC

13. Cho a ch IP: 10.10.10.10/16, subnet mask no di y l tng ng vi a ch IP trn? a. 255.0.0.0 b. c. d. 255.255.0.0 255.255.255.0 255.255.255.254 ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... 14. Cho a ch IP: 173.26.0.0/16, a ch Broadcast no tng ng vi a ch IP trn? a. 173.26.0.0 b. c. d. 173.26.192.0 173.26.255.255 173.26.254 ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... BI TP MNG CN BN www.ispace.edu.vn Trang 11

CHUYN KHOA PC

........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... 15. Trong h thng mng LAN, 2 Client t a ch IP tnh nh hnh v, hy gii thch ti sao 2 Client trn khng kt ni c vi nhau ? Ti my Client A : Ti my Client B :

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........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... Bi tp nng cao. 16. Hy cho bit ti sao li chia subnet(subnetting), hy nu mt vi v d v a ch IP chia subnet v tnh subnet mask ca tng a ch va nu trn. ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ...........................................................................................................................................................

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Cho a ch IP: 192.168.10.0/27. a ch mng trn c th phn chia ra c bao www.ispace.edu.vn Trang 13

CHUYN KHOA PC

nhiu mng con? v mi mng con c bao nhiu my? Hy trnh by chi tit cch tnh trn. ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ...........................................................................................................................................................Nhn xt ca GV: ..................................................................................................................................................................................................

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K THUT MNG LAN V CC THIT B MNG

1. Ngi ta thng dng Hub hoc Swicth kt ni cc my tnh li vi nhau nhm chia s ti nguyn phn cng cng nh phn mm. Hy nu nhng u, nhc im ca Hub v Swicth. Bn hy t vn cho khch hng nn s dng thit b no?

Phng Lab: WinXP, Vista;

H thng mng LAN;

Hub

Swicth

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Switch, Moderm , cable, RJ45, 4 km bm cable, 2 b test cable;

2.

Router l mt thit b c th kt ni c vi cc mng LANs, WANs khng ng b v tc www.ispace.edu.vn Trang 15

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CHUYN KHOA PC

truyn, giao thc (protocol). Router hot ng ti tng Network ca OSI Model. y l thit b rt t ca Cisco. Hy cho bit nhng tnh nng c bn nht ca Router v s khc nhau gia Modem Dial-up v Modem ADSL. ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... 3. Trong mng LAN hin nay ngi ta thng dng cp xon i kt ni cc my li vi nhau. Cp ny gm c hai loi Shielded Twisted Pair (STP: Loi C Bc Kim) v Unshielded Twisted Pair (UTP: Loi Khng Bc Kim). y l mt loi dy ging nh dy in thoi, gm 4 cp dy xon. Mi cp c mu sc ring bit.

Hy cho bit ti sao cc cp dy li c xon li vi nhau? S khc bit gia cp STP v cp UTP. Hin ti loi cp UPT c 7 loi. Hy lit k cc loi cp v tc truyn l bao nhiu? ........................................................................................................................................................... BI TP MNG CN BN www.ispace.edu.vn Trang 16

CHUYN KHOA PC

........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... 4. Trong mng Ethernet 10/100 BaseT s dng cp xon i v c 2 chun kt ni: T568A v T568B. C 2 kiu bm cp: Straight Cable(cp thng) v Cross Cable(cp cho).

Hy cho bit khi no chng ta bm cp thng, khi no bm cp cho? ........................................................................................................................................................... ...........................................................................................................................................................

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........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... 5. a. b. c. d. e. Thc hnh bm cp UTP Cat 5 theo yu cu sau: Kt ni PC - PC Kt ni PC - Hub Kt ni PC - Switch Kt ni Hub Switch Kt ni gia Switch vi Moderm Cch bm cp: ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ...........................................................................................................................................................Nhn xt ca GV: ..................................................................................................................................................................................................

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CHUYN KHOA PC

H IU HNH MNG, QUN TR TI KHON V TI NGUYN

1. Trong mng LAN khi truy cp n mt my no trong mng th c bng thng bo sau: Hy phn tch nguyn nhn v cch khc phc.

........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... 2. Hy cho bit ti sao khi share d liu, kim tra bng lnh ping th thy 2 my thng vi nhau nhng vn khng th truy xut d liu c, hy nu ra tt c nhng trng hp m bn bit v cch x l? ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ...........................................................................................................................................................

3. Hy cho bit iu kin c th chia s d liu c phn quyn v cch thc hin? ........................................................................................................................................................... BI TP MNG CN BN www.ispace.edu.vn Trang 19

CHUYN KHOA PC

........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... 4. Hy nu cc bc chia s n 1 th mc trong h thng ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... 5. Hy nu cc bc to 1 a mng? ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ...........................................................................................................................................................Nhn xt ca GV: ..................................................................................................................................................................................................

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1.

Thit k m hnh mng nh sau:

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CHUYN KHOA PC

TRIN KHAI M HNH MNG C DY

Vi yu cu: 1.1 Chn la cc thit b thch hp thit lp 1 h thng mng nh m hnh trn ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... 1.2 Cu hnh moderm ADSL chia s kt ni internet ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... BI TP MNG CN BN www.ispace.edu.vn Trang 21

CHUYN KHOA PC

........................................................................................................................................................... ........................................................................................................................................................... 1.3 Chia s my in cho tt c cc my trong h ton h thng mng ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... 1.4 Tin hnh chia s d liu gia cc my trong h thng ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... 1.5 Tin hnh remote desktop ti cc my trong h thng ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ...........................................................................................................................................................Nhn xt ca GV: ..................................................................................................................................................................................................

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TRIN KHAI M HNH MNG KHNG DY

Thit k m hnh mng nh sau :

Vi cc yu cu sau: BI TP MNG CN BN www.ispace.edu.vn Trang 23

CHUYN KHOA PC

1.a.

La chn cc thit b thch hp cho m hnh mng trn v hoch ton kinh ph lp t. ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ...........................................................................................................................................................

1.b. Cc bc cu hnh Access Point v tin hnh kt ni internet cho cc my laptop c Wireless Card v cc my PDAs ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... 1.c. M rng h thng mng bng cch gn thm thit b Switch, kim tra cc kt ni gia cc my tnh trong mng ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... 1.d. Nu cc bc tin hnh chia s my in v chia s d liu gia cc my trong mng ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... BI TP MNG CN BN www.ispace.edu.vn Trang 24

CHUYN KHOA PC

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Nhn xt ca GV:

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Ghi ch:

Hc vin thc hnh ni dung cc bi tp ti lp sau cc bi ging l thuyt, sau khi hon tt trnh ging vin ng lp xc nhn. Trong trng hp khng thi gian th thc hin trong phn thc hnh ngoi gi (cn c xc nhn ca nhn vin k thut) Hc vin ch c thi kt thc mn hc sau khi hon tt ni dung ca tp gio trnh thc tp ny.

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