Trắc Nghiệm_câu Hỏi Ôn Tập

THITHIT BT B MMNGNG

CU HCU HI N TI N TP 1P 1

Ging vin: ThS. T Nguyn Nht Quang

Dap an chi co tinh chat tham khao, duoc tra loi boi shenlong2210

NNI DUNGI DUNG

1.Lin mng (20 cu)

2.Gii thiu v TCP/IP (15 cu)

3.Qun tr IOS v cc thit b Cisco (20 cu)

4.Chuyn mch lp 2 v giao thc STP (18 cu)

5.Mng LAN o v giao thc VTP (16 cu)

6.Tng hp (35 cu)

Lin mLin mngng

44

Cu 1Cu 1ThiThit bt b llp 1p 1 c sc s ddng ng mm rrng ng phn ophn on mn mng LAN lng LAN l (ch(chn 2):n 2):

a.a. SwitchSwitch

b.b. NICNIC

c.c. HubHub

d.d. RepeaterRepeater

e.e. RJ45 transceiverRJ45 transceiver

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AdministratorHighlight


55

Cu 2Cu 2

SS phn o phn on cn ca dng da dng d liliu xu xy ra y ra tti li lp np no trong m ho trong m hnh OSI:nh OSI:

a.a. PhysicalPhysical

b.b. Data LinkData Link

c.c. Network Network

d.d. TransportTransport




66

Cu 3Cu 3ChChc nng cc nng ca Router la Router l (ch(chn 4):n 4):

a.a. ChuyChuyn gn giib.b. Ngn ngNgn nga a ng ng c.c. LLc gc giid.d. MM rrng ming min qun qung bng be.e. TruyTruyn thng lin mn thng lin mngngf.f. ChuyChuyn tin tip broadcastp broadcastg.g. ChChn n ngng







77

Cu 4Cu 4Router hoRouter hot t ng tng ti li lp _____, switch hop _____, switch hot t ng tng ti li lp _____, hub hop _____, hub hot t ng tng ti li lp p _____._____.

a.a. 3, 3, 33, 3, 3

b.b. 3, 2, 13, 2, 1

c.c. 3, 3, 13, 3, 1

d.d. 3, 2, 23, 2, 2

e.e. 3, 1, 2 3, 1, 2



88

Cu 5Cu 5

Khi dKhi d liliu u c c ng gng gi i (encapsulation), th(encapsulation), th tt ng gng gi si s ll::

a.a. Data, Frame, Packet, Segment, BitData, Frame, Packet, Segment, Bit

b.b. Segment, Data, Packet, Frame, BitSegment, Data, Packet, Frame, Bit

c.c. Data, Segment, Packet, Frame, BitData, Segment, Packet, Frame, Bit

d.d. Data, Segment, Frame, Packet, BitData, Segment, Frame, Packet, Bit



99

Cu 6Cu 6

MMc c ch cch ca via vic phn oc phn on n (segmentation) c(segmentation) ca ma mt bridge lt bridge l (ch(chn n 2):2):

a.a. TTo thm nhio thm nhiu miu min qun qung bng b

b.b. TTo thm nhio thm nhiu miu min n ng ng

c.c. TTo thm nhio thm nhiu bng thng cho cu bng thng cho cc userc user

d.d. MM rrng ming min qun qung bng b




1010

Cu 7Cu 7KiKiu ku kt nt ni ni no sau y co sau y c thth ss ddng ng full duplex (chfull duplex (chn 3):n 3):

a.a. Hub to hubHub to hub

b.b. Switch to switchSwitch to switch

c.c. Host to hostHost to host

d.d. Switch to hubSwitch to hub

e.e. Switch to hostSwitch to host







1111

Cu 8Cu 8

KiKiu cu cp RJ45 UTP np RJ45 UTP no o c sc s ddng ng gigia hai switch:a hai switch:

a.a. StraigthStraigth--throughthrough

b.b. Crossover cableCrossover cable

c.c. Crossover vCrossover vi mi mt CSU/DSUt CSU/DSU

d.d. Crossover vCrossover vi mi mt router git router gia hai switcha hai switch



1212

Cu 9Cu 9

KiKiu cu cp RJ45 UTP np RJ45 UTP no o c sc s ddng ng kkt nt ni ci cng COM cng COM ca PC va PC vi mi mt t ccng console cng console ca router hoa router hoc switch:c switch:

a.a. StraigthStraigth--throughthrough

b.b. Crossover cableCrossover cable

c.c. Crossover vCrossover vi mi mt CSU/DSUt CSU/DSU

d.d. RolledRolled




1313

Cu 10Cu 10

SS nhnh phn phn 10110111 10110111 tng ng vtng ng vi i gigi trtr ththp phn vp phn v ththp lp lc phn:c phn:

a.a. 69/0x210269/0x2102

b.b. 183/B7183/B7

c.c. 173/A6173/A6

d.d. 83/0xC583/0xC5



1414

Cu 11Cu 11M tM t

a.a. ThiThit bt b ggi vi v nhnhn thng tin n thng tin thuthuc tc tng mng mngng

b.b. LLp tp to mo mt mt mch ch o tro trc khi c khi truytruyn gin gia hai tra hai trmm

c.c. LLp sp s ddng dng dch vch v access access pointspoints

d.d. ThiThit bt b ss ddng ng a cha ch phphn n ccng ng llc dc d liliuu

ThiThit bt b/L/LppRouter

Transport

Datalink

Switch Bridge

1515

Cu 12Cu 12M tM t

a.a. Ethernet Ethernet c c nh nghnh ngha ta ti ci cc c ttngng

b.b. TTng hng h trtr flow control vflow control vsequencingsequencing

c.c. ThiThit bt b cc thth o l o lng khong khong ng ccch ch n mn mt mt mng ng xa xa

d.d. a cha ch logic logic c sc s ddng tng ti i ttngng

ThiThit bt b/L/LppDataLink Physical

Transport

Router

Network

1616

Cu 13Cu 13M tM t

a.a. a cha ch phphn cn cng ng c c nh nghnh ngha ta ti i ttngng

b.b. ThiThit bt b tto mo mt mit min n ng ng lln vn vmmt mit min qun qung bng b llnn

c.c. ThiThit bt b cc thth chia nhchia nh mimin n ng ng vv mimin qun qung bng b

d.d. ThiThit bt b cc thth tto nhio nhiu miu min n ng ng nhnh hn nhng m hn nhng mng vng vn thun thuc mc mt t mimin qun qung bng b llnn

e.e. ThiThit bt b khng bao gikhng bao gi chchy full duplexy full duplex

ThiThit bt b/L/LppDataLink

Hub

Router

Switch

Hub

1717

Cu 14Cu 14NhNhn din din sn s mimin n ng ng vv ss mimin n ququng bng b::

a.a. 5, 55, 5

b.b. 5, 15, 1

c.c. 4, 14, 1

d.d. 1, 11, 1

e.e. 1, 41, 4



1818


a.a. 7, 27, 2

b.b. 2, 22, 2

c.c. 2, 12, 1

d.d. 4, 14, 1

e.e. 6, 16, 1



1919


a.a. 5, 15, 1

b.b. 7, 17, 1

c.c. 2, 12, 1

d.d. 4, 14, 1

e.e. 6, 16, 1



2020


a.a. 3, 23, 2

b.b. 3, 33, 3

c.c. 8, 38, 3

d.d. 11, 311, 3

e.e. 3, 13, 1



2121

Cu 18Cu 18NhNhng thing thit bt b nno do di y i y c sc s ddng ng phn ophn on mn mng LAN:ng LAN:

a.a. HubsHubs

b.b. RepeatersRepeaters

c.c. SwitchesSwitches

d.d. BridgesBridges

e.e. RoutersRouters

f.f. TTt ct c u u ngng





2222

Cu 19Cu 19MMt PC kt PC kt nt ni i n mn mt switchA. SwitchA nt switchA. SwitchA ny y lli ang ki ang kt nt ni vi vi mi mt router qua ct router qua cng E0 cng E0 c a cha ch 192.168.5.33/27. PC n192.168.5.33/27. PC ny cy c thth ssddng ng a cha ch IP nIP no do di yi y::

a.a. 192.168.5.5192.168.5.5

b.b. 192.168.5.32192.168.5.32

c.c. 192.168.5.40192.168.5.40

d.d. 192.168.5.63192.168.5.63

e.e. 192.168.5.75192.168.5.75




2323

Cu 20Cu 20Xem hXem hnh. Khng thnh. Khng th ping giping gia hai host. Ca hai host. Cn phn phi i (ch(chn 2):n 2):

a.a. PhPhi si s ddng mng mt crossover cablet crossover cable

b.b. PhPhi si s ddng mng mt rollover cablet rollover cable

c.c. PhPhi i t subnet masks lt subnet masks l 255.255.255.192255.255.255.192

d.d. PhPhi i t subnet masks lt subnet masks l 255.255.255.0255.255.255.0

e.e. CCn phn phi i t defaul gateway cho mt defaul gateway cho mi hosti host




GiGii thii thiu vu v TCP/IPTCP/IP

2525

Cu 1Cu 1

Giao thGiao thc c c sc s ddng ng ccu hu hnh nh a a chch IP IP ng, bao gng, bao gm cm c subnet mask, subnet mask, default gateway, dns server ldefault gateway, dns server l::

a.a. SMTPSMTP

b.b. SNMPSNMP

c.c. DHCPDHCP

d.d. ARPARP



2626

Cu 2Cu 2Giao thGiao thc c c sc s ddng tng tm m a cha chphphn cn cng cng ca ma mt thit thit bt b ccc bc b ll::

a.a. RARPRARP

b.b. ARPARP

c.c. IPIP

d.d. ICMPICMP

e.e. BOOTPBOOTP



2727

Cu 3Cu 3CCc lc lp trong m hp trong m hnh TCP/IP (chnh TCP/IP (chn 3):n 3):

a.a. ApplicationApplication

b.b. SessionSession

c.c. TransportTransport

d.d. InternetInternet

e.e. Data LinkData Link

f.f. PhysicalPhysical






2828

Cu 4Cu 4LLp cp c a cha ch IP tIP ti a li a l 254 host 254 host address/network ID laddress/network ID l::

a.a. AA

b.b. BB

c.c. CC

d.d. DD

e.e. EE



2929

Cu 5Cu 5Thng iThng ip DHCP Discover (chp DHCP Discover (chn 2):n 2):

a.a. SS ddng FF:FF:FF:FF:FF:FF lng FF:FF:FF:FF:FF:FF lm m broadcast lbroadcast lp 2p 2

b.b. SS ddng UDP lng UDP lm giao thm giao thc lc lp p TransportTransport

c.c. SS ddng TCP lng TCP lm giao thm giao thc lc lp p TransportTransport

d.d. Khng sKhng s ddng ng a cha ch ch thuch thuc lc lp 2p 2




3030

Cu 6Cu 6Giao thGiao thc nc no thuo thuc layer 4c layer 4 c sc sddng ng i vi vi ki kt nt ni Telnet:i Telnet:

a.a. IPIP

b.b. TCPTCP

c.c. TCP/IPTCP/IP

d.d. UDPUDP

e.e. ICMPICMP



3131

Cu 7Cu 7CCc gc gi ICMP (chi ICMP (chn 2):n 2):

a.a. BBo o m cho sm cho s phn phphn phi ci cc datagramc datagram

b.b. Cung cCung cp cho cp cho cc hosts thng tin vc hosts thng tin v ccc lc li i trn mtrn mngng

c.c. c c ng gng gi bn trong IP datagramsi bn trong IP datagrams

d.d. c c ng gng gi bn trong UDP datagramsi bn trong UDP datagrams





3232

Cu 8Cu 8CCc giao thc giao thc sc s ddng TCP lng TCP l (ch(chn 3):n 3):

a.a. DHCPDHCP

b.b. SMTPSMTP

c.c. SNMPSNMP

d.d. FTPFTP

e.e. HTTPHTTP

f.f. TFTP (Trivial FTP)TFTP (Trivial FTP)





3333

Cu 9Cu 9CCc giao thc giao thc sc s ddng UDP lng UDP l (ch(chn 3):n 3):

a.a. DHCPDHCP

b.b. SMTPSMTP

c.c. SNMPSNMP

d.d. FTPFTP

e.e. HTTPHTTP

f.f. TFTP (Trivial FTP)TFTP (Trivial FTP)





3434

Cu 10Cu 10

CCc giao thc giao thc lc lp Application (chp Application (chn 3):n 3):

a.a. IPIP

b.b. TCPTCP

c.c. TelnetTelnet

d.d. FTPFTP

e.e. TFTPTFTP





3535

Cu 11Cu 11

Khi dKhi dng Telnet hong Telnet hoc FTP, lc FTP, lp cao nhp cao nht t c sc s ddng ng chuychuyn dn d liliu lu l::


b.b. PresentationPresentation

c.c. SessionSession

d.d. TransportTransport



3636

Cu 12Cu 12M hM hnh DoD (cn gnh DoD (cn gi li l TCP/IP) cTCP/IP) c 4 4 llp. Trong m hp. Trong m hnh nnh ny, ly, lp tng p tng ng vng vi li lp Network cp Network ca m ha m hnh OSI nh OSI ll::


b.b. HostHost--toto--hosthost

c.c. InternetInternet

d.d. Network AccessNetwork Access




3737

Cu 13Cu 13M hM hnh DoD (cn gnh DoD (cn gi li l TCP/IP) cTCP/IP) c 4 4 llp. Trong m hp. Trong m hnh nnh ny, ly, lp tng p tng ng vng vi li lp Transport cp Transport ca m ha m hnh nh OSI lOSI l::


b.b. HostHost--toto--hosthost

c.c. InternetInternet

d.d. Network AccessNetwork Access



3838

Cu 14Cu 14a cha ch nno lo l a cha ch IP dIP dnh ring (chnh ring (chn n 2):2):

a.a. 12.0.0.112.0.0.1

b.b. 168.172.19.39168.172.19.39

c.c. 172.20.14.36172.20.14.36

d.d. 172.33.194.30172.33.194.30

e.e. 192.168.24.43192.168.24.43






3939

Cu 15Cu 15

Giao thGiao thc nc no so s ddng cng c TCP lTCP ln UDP:n UDP:

a.a. FTPFTP

b.b. SMTPSMTP

c.c. TELNETTELNET

d.d. DNSDNS



Qun tr IOS v cc thit b Cisco

4141

Cu 1Cu 1BBn nhn nhp p show runningshow running--config config vv c output sau:c output sau:[output cut][output cut]

Line console 0Line console 0ExecExec--timeout 1 44timeout 1 44Password 7098C0BQRPassword 7098C0BQRLoginLogin

[output cut][output cut]Hai sHai s i sau exec i sau exec--timeout ctimeout c ngh ngha ga g??

a.a. NNu khng cu khng c router horouter hot t ng nng no o c tc tm thm thy sau 1 phy sau 1 pht 44 t 44 giy, kgiy, kt nt ni console si console s bb ngng

b.b. NNu khng cu khng c router horouter hot t ng nng no o c tc tm thm thy sau 1 giy sau 1 gi 44 44 phpht, kt, kt nt ni console si console s bb ngng

c.c. NNu khng cu khng c llnh nnh no o c nhc nhp vp vo sau 44 giy, ko sau 44 giy, kt nt ni i console sconsole s bb ngng

d.d. NNu khng cu khng c llnh nnh no o c nhc nhp vp vo sau 1 pho sau 1 pht 44 giy, kt 44 giy, kt nt ni i console sconsole s bb ngng




4242

Cu 2Cu 2 ttm m a cha ch broadcast trn mbroadcast trn mng LAN, ng LAN, ccn phn phi di dng lng lnh nnh no to ti user mode i user mode cca router:a router:

a.a. show runningshow running--configconfig

b.b. show startupshow startup--configconfig

c.c. show interfacesshow interfaces

d.d. show protocolshow protocol



4343

Cu 3Cu 3 khkhi ti to lo li router vi router v thay ththay thrunningrunning--config hiconfig hin hn hnh bnh bng startupng startup--config hiconfig hin hn hnh, snh, s ddng lng lnh:nh:

a.a. replace run startreplace run start

b.b. copy run startcopy run start

c.c. copy start runcopy start run

d.d. reloadreload



4444

Cu 4Cu 4 bibit DTE cable hay DCE cable ang t DTE cable hay DCE cable ang ccm vm vo giao tio giao tip serial 0, sp serial 0, s ddng lng lnh:nh:

a.a. sh int s0sh int s0

b.b. sh int serial 0sh int serial 0

c.c. show controllers s0show controllers s0

d.d. show serial 0 controllersshow serial 0 controllers



4545

Cu 5Cu 5TT hhp php phm nm no gio gip thop thot ngay kht ngay khi i mode setup:mode setup:

a.a. Ctrl + ZCtrl + Z

b.b. Ctrl + ECtrl + E

c.c. Ctrl + CCtrl + C

d.d. Ctrl + QCtrl + Q



4646

Cu 6Cu 6BBn cn ci i t mt mt kht khu console,u console, nhng khi xem c nhng khi xem cu u hhnh thnh th mmt kht khu thu th hihin nh saun nh sau::[output cut][output cut]

Line console 0Line console 0ExecExec--timeout 1 44timeout 1 44Password 7098C0BQRPassword 7098C0BQRLoginLogin

[output cut][output cut]VV sao msao mt kht khu u c lu nh vc lu nh vy?y?

a.a. encrypt passwordencrypt passwordb.b. service passwordservice password--encryptionencryptionc.c. ServiceService--passwordpassword--encryptionencryptiond.d. execexec--timeout 1 44timeout 1 44



4747

Cu 7Cu 7LLnh dnh dng ng ccu hu hnh 5nh 5 ng VTY ng VTY ngngm m nh trn mnh trn mt router:t router:

a.a. Router#line vty 0 4Router#line vty 0 4

b.b. Router(config)#line vty 0 4Router(config)#line vty 0 4

c.c. Router(configRouter(config--if)#line console 0if)#line console 0

d.d. Router(config)#line vty allRouter(config)#line vty all



4848

Cu 8Cu 8LLnh nnh no do dng ng cci i t password t password secret lsecret l Cisco?Cisco?

a.a. enable secret password Ciscoenable secret password Cisco

b.b. enable secret Ciscoenable secret Cisco

c.c. enable secret ciscoenable secret cisco

d.d. enable password Ciscoenable password Cisco



4949

Cu 9Cu 9 tto mo mt thng bt thng bo xuo xut hit hin khi login n khi login vvo mo mt router, st router, s ddng lng lnh:nh:

a.a. message banner motdmessage banner motd

b.b. banner message motdbanner message motd

c.c. banner motdbanner motd

d.d. message motdmessage motd



5050

Cu 10Cu 10 lu c lu cu hu hnh ang lu trnh ang lu tr trong RAM trong RAM n NVRAM, sn NVRAM, s ddng lng lnh:nh:

a.a. Router(config)#copy current to startingRouter(config)#copy current to starting

b.b. Router#copy starting to runningRouter#copy starting to running

c.c. Router(config)#copy runningRouter(config)#copy running--config config startupstartup--configconfig

d.d. Router#copy run startRouter#copy run start



5151

Cu 11Cu 11ViVic Telnet vc Telnet vo SFRemote to SFRemote t Corp gCorp gp trp trc trc trc (xem c (xem hhnh), ginh), gii quyi quyt bt bng cng cch:ch:

a.a. Corp(config)#line console 0Corp(config)#line console 0

b.b. SFRemote(config)#line console 0SFRemote(config)#line console 0

c.c. Corp(config)#line vty 0 4Corp(config)#line vty 0 4

d.d. SFRemote(config)#line vty 0 4SFRemote(config)#line vty 0 4



5252

Cu 12Cu 12 xoxo nni dung trn NVRAM ci dung trn NVRAM ca ma mt t router, drouter, dng lng lnh:nh:

a.a. Delete NVRAMDelete NVRAM

b.b. Delete startupDelete startup--configconfig

c.c. Erase startErase start

d.d. Erase NVRAMErase NVRAM



5353

Cu 13Cu 13VVn n gg xxy ra vy ra vi mi mt interface khi g vt interface khi g vo o dng ldng lnh nh show interface s0 show interface s0 vv nhnhn n c c thng bthng bo o Serial 0 is administratively down, Serial 0 is administratively down, line protocol is downline protocol is down::

a.a. Keepalives cKeepalives c ththi gian khi gian khc bic bitt

b.b. Admin shut down interfaceAdmin shut down interface

c.c. Admin ngAdmin ngt ct cp khp khi interfacei interface

d.d. Interface bInterface b hhngng



5454

Cu 14Cu 14LLp np no trong m ho trong m hnh OSI cnh OSI c vvn n khi g vkhi g vo dng lo dng lnh nh show interface s0 show interface s0 vv nhnhn n c thng bc thng bo o Serial 0 is Serial 0 is down, line protocol is downdown, line protocol is down::

a.a. Physical layerPhysical layer

b.b. Data Link layerData Link layer

c.c. Network layerNetwork layer

d.d. Khng phKhng phi,i, ll mmt vt vn n cca routera router



5555

Cu 15Cu 15 hihin thn th tham stham s vv ththng k cng k cu hu hnh nh cca ta tt ct c ccc interface trn router, g c interface trn router, g llnh:nh:

a.a. Show runningShow running--configconfig

b.b. Show startupShow startup--configconfig

c.c. Show interfacesShow interfaces

d.d. Show versionsShow versions



5656

Cu 16Cu 16Khi xoKhi xo nni dung NVRAM vi dung NVRAM v reboot lreboot li i router, srouter, s vvo mode go mode g??

a.a. Privileged modePrivileged mode

b.b. Setup modeSetup mode

c.c. Global modeGlobal mode

d.d. NVRAM loaded modeNVRAM loaded mode



5757

Cu 17Cu 17 hihin thn th a cha ch IP hiIP hin hn hnh vnh v trtrng thng thi i llp 1 vp 1 v llp 2 cp 2 ca giao tia giao tip trn router, g lp trn router, g lnh nh (ch(chn 3):n 3):

a.a. Show versionShow version

b.b. Show protocolsShow protocols

c.c. Show interfacesShow interfaces

d.d. Show controllersShow controllers

e.e. Show ip interfaceShow ip interface

f.f. Show runningShow running--configconfig





5858

Cu 18Cu 18LLnh nnh no so s sao chsao chp IOS p IOS n mn mt t backup host trn mbackup host trn mng?ng?

a.a. Transfer IOS 172.16.10.1Transfer IOS 172.16.10.1

b.b. Copy run startCopy run start

c.c. Copy tftp flashCopy tftp flash

d.d. Copy start tftpCopy start tftp

e.e. Copy flash tftpCopy flash tftp




5959

Cu 19Cu 19LLnh nnh no so s sao chsao chp IOS mp IOS mi vi vo mo mt t router?router?

a.a. Copy tftp startCopy tftp start

b.b. Copy run startCopy run start

c.c. Copy tftp flashCopy tftp flash

d.d. Copy start tftpCopy start tftp

e.e. Copy flash tftpCopy flash tftp



6060

Cu 20Cu 20Ba lBa lnh cnh c thth ddng ng kikim tra cm tra cc vc vn n vv kkt nt ni LAN trn mi LAN trn mt router lt router l::

a.a. show interfaceshow interface

b.b. show ip routeshow ip route

c.c. tracerttracert

d.d. ping ping

e.e. dns lookups dns lookups





Chuyn mch lp 2 v giao thc STP

6262

Cu 1Cu 1

Giao thGiao thc c llp 2p 2 c sc s ddng ng duy duy trtr mmt mt mng loopng loop--free lfree l::

a.a. VTPVTP

b.b. STPSTP

c.c. RIPRIP

d.d. CDPCDP



6363

Cu 2Cu 2

LLnh hinh hin thn th nni dung bi dung bng forward/filter ng forward/filter trn switch:trn switch:

a.a. show macshow mac

b.b. show run filtershow run filter

c.c. show mac address show mac address -- tabletable

d.d. show mac filter show mac filter -- tabletable



6464

Cu 3Cu 3KKt qut qu vivic phn oc phn on mn mt mt mng vng vi bridge i bridge vv switch lswitch l (ch(chn 2):n 2):

a.a. Tng sTng s mimin n ng ng

b.b. GiGim sm s mimin n ng ng

c.c. Tng sTng s mimin qun qung bng b

d.d. GiGim sm s mimin qun qung bng b

e.e. TTo ra co ra cc mic min n ng ng nhnh hn hn

f.f. TTo ra co ra cc mic min n ng ng lln hnn hn




6565

Cu 4Cu 4MMng Spanningng Spanning--tree htree hi ti t ll::

a.a. TTt ct c ccc switch vc switch v bridge port bridge port trtrng thng thi i forwardingforwarding

b.b. TTt ct c ccc switch vc switch v bridge port bridge port c gc gn n root port horoot port hoc designated portc designated port

c.c. TTt ct c ccc switch vc switch v bridge port bridge port u u trtrng ng ththi forwarding hoi forwarding hoc blockingc blocking

d.d. TTt ct c ccc switch vc switch v bridge port bridge port u u trtrng ng ththi blocking hoi blocking hoc loopingc looping



6666

Cu 5Cu 5MMc c ch cch ca giao tha giao thc Spanningc Spanning--tree trong mtree trong mt t switch LAN:switch LAN:

a.a. Cung cCung cp mp mt c cht c ch kikim tra mm tra mng trong mi trng trong mi trng ng switchswitch

b.b. ngn ng ngn nga routinga routing--loop trong mloop trong mng vng vi ci cc c ng ng ddn d thn d thaa

c.c. ngn ng ngn nga switchinga switching--loop trong mloop trong mng vng vi ci cc c ng dng dn d thn d thaa

d.d. ququn l c sn l c s dd liliu cu ca VLAN trong mi tra VLAN trong mi trng ng nhinhiu switchu switch

e.e. tto ra co ra cc mic min n ng ng



6767

Cu 6Cu 6Ba chBa chc nng khc nng khc bic bit ct ca via vic switching c switching llp 2 nhp 2 nhm tng bandwith trn mm tng bandwith trn mng:ng:

a.a. HHc c a cha ch

b.b. ChChn n ngng

c.c. ChuyChuyn tin tip vp v llc gc gii

d.d. TTo co cc vng lc vng lp trong mp trong mngng

e.e. TrTrnh lnh lp vngp vng

f.f. nh nh a cha ch IPIP





6868

Cu 7Cu 7n LED chn LED ch trang thtrang thi ci ca Port trn a Port trn Switch hoSwitch hon chuyn chuyn gin gia ma mu xanh vu xanh vvvng cam,ng cam, i iu nu ny nghy ngha la l::

a.a. Port bPort b lli nghim tri nghim trngng

b.b. Port shut downPort shut down

c.c. Port Port trtrng thng thi blocking trong giao thi blocking trong giao thc c STPSTP

d.d. BBnh thnh thngng



6969

Cu 8Cu 8Khi mKhi mt giao tit giao tip cp ca switch nha switch nhn mn mt frame t frame cc a cha ch ch cha bich cha bit, nt, n ss::

a.a. ChuyChuyn tin tip frame p frame n giao tin giao tip sp sn sn sng ng u u tin trn switchtin trn switch

b.b. HHy by b frameframe

c.c. LLm trm trn ngn ngp mp mng vng vi frame i frame ttm kim kim m thithit bt b

d.d. GGi ngi ngc lc li i a cha ch ban ban u mu mt thng bt thng bo o yu cyu cu u a cha ch chch




7070

Cu 10Cu 10Khi mKhi mt switch nht switch nhn mn mt frame ct frame c a cha ch MAC MAC ngungun khng cn khng c trong MAC address table trong MAC address table nhng nhng a cha ch MAC MAC ch cch c, n, n ss::

a.a. HHy by b frame vframe v ggi mi mt thng bt thng bo lo li i n n host ghost gii

b.b. LLm trm trn ngn ngp mp mng vng vi framei framec.c. Thm Thm a cha ch ngungun vn v port tng port tng ng vng vo o

MAC address table vMAC address table v chuychuyn tin tip frame ra p frame ra port port chch

d.d. Thm Thm a cha ch ch vch vo MAC address table vo MAC address table vchuychuyn tin tip framep frame




7171

Cu 11Cu 11802.1w (RSTP) l802.1w (RSTP) l phin bphin bn mn mi vi v ttt hn t hn STP.STP. ththc hic hin giao thn giao thc nc ny, g:y, g:

a.a. Switch(config)#spanningSwitch(config)#spanning--tree mode rapidtree mode rapid--pvstpvst

b.b. Switch#spanningSwitch#spanning--tree mode rapidtree mode rapid--pvstpvst

c.c. Switch(config)#spanningSwitch(config)#spanning--tree mode 802.1wtree mode 802.1w

d.d. Switch#spanningSwitch#spanning--tree mode 802.1wtree mode 802.1w



7272

Cu 12Cu 12TTnh hunh hung nng no tho th cc nhinhiu bu bn sao cn sao ca ca cng ng mmt frame unicast chuyt frame unicast chuyn dn dch trong mch trong mt mt mng ng switch LAN:switch LAN:

a.a. Do traffic trong mDo traffic trong mng caong cao

b.b. Sau khi cSau khi cc lin kc lin kt bt b gigin on on n c kc kt nt ni i trtr llii

c.c. Khi cKhi cc giao thc giao thc c llp cao hn i hp cao hn i hi ti tnh nh ng tin cng tin cy caoy cao

d.d. Trong mTrong mt redundant topology t redundant topology c hic hin thn thc c khng phkhng ph hhpp




7373

Cu 13Cu 13SS ddng lng lnh nnh no o cc output d output di yi y::

a.a. show vlanshow vlanb.b. show ip routeshow ip routec.c. show mac addressshow mac address--tabletabled.d. show mac addressshow mac address--filterfilter



7474

Cu 14Cu 14

disable STP trn mdisable STP trn mt port kt port kt nt ni i n n mmt host, st host, s ddng lng lnh:nh:

a.a. disable spanningdisable spanning--treetree

b.b. spanningspanning--tree offtree off

c.c. spanningspanning--tree securitytree security

d.d. spanningspanning--tree portfasttree portfast



7575

Cu 15Cu 15TTi sao switch ci sao switch c hai hai a a chch MAC MAC c gc gn n n n ccng mng mt port fa0/1 ct port fa0/1 ca a bbng ng a cha ch??

a.a. Port fa0/1 vPort fa0/1 va nha nhn dn dliliu tu t hostC vhostC v hostDhostD

b.b. DD liliu tu t 2 thi2 thit bt b kkt nt ni i vvo switch vo switch va a c c chuychuyn tin tip ra hostDp ra hostD

c.c. HostC vHostC v hostD vhostD va thay a thay card mcard mngng

d.d. HostC vHostC v hostD hostD trn ctrn cc c VLAN khVLAN khc bic bit nhaut nhau



7676

Cu 16Cu 16Hai switch kHai switch kt nt ni vi vi nhau bi nhau bi hai crossover i hai crossover cable vcable v STP STP c disable. Gic disable. Gia hai a hai switch sswitch s xxy ra:y ra:

a.a. BBng ng nh tuynh tuyn trn cn trn cc switch sc switch s khng ckhng cp p nhnhtt

b.b. BBng MAC forward/filter sng MAC forward/filter s khng ckhng cp nhp nht t trn ctrn cc switchc switch

c.c. Bo broadcast sBo broadcast s xxy ra trn my ra trn mng switchng switch

d.d. CCc switch sc switch s tt ng cn bng cn bng ging gia hai lin a hai lin kktt



7777

Cu 17Cu 17 cho phcho php chp ch mmt host t host c kc kt nt ni i n n giao tigiao tip cp ca switch, sa switch, s ddng cng cp lp lnh:nh:

a.a. Switch(configSwitch(config--if)#ip accessif)#ip access--group 10group 10

b.b. Switch(configSwitch(config--if)#switchport portif)#switchport port--security security maximum 1maximum 1

c.c. Switch(config)#accessSwitch(config)#access--list 10 permit ip host 1list 10 permit ip host 1

d.d. Switch(configSwitch(config--if)#switchport portif)#switchport port--security security violation shutdownviolation shutdown

e.e. Switch(config)#macSwitch(config)#mac--addressaddress--table securetable secure





7878

Cu 18Cu 18Khi g Khi g show mac addressshow mac address--tabletable vv nhnhn output nh trong n output nh trong hhnh. Ginh. Gi ss switch nhswitch nhn mn mt frame ct frame c source MAC lsource MAC l0005.dccb.d74b0005.dccb.d74b vv destination MAC ldestination MAC l 000a.f467.9e8c000a.f467.9e8c, , iiu gu g ss xxy ra:y ra:

a.a. Frame bFrame b hhy (discard)y (discard)b.b. Frame sFrame s c forward ra cc forward ra cng fa0/3ng fa0/3c.c. Frame sFrame s c forward ra cc forward ra cng fa0/1ng fa0/1d.d. Frame sFrame s c forward ra tc forward ra tt ct c ccc cc cng ngong ngoi tri tr fa0/1fa0/1



Mng LAN o v giao thc VTP

8080

Cu 1Cu 1iiu nu no do di y li y l ng:ng:

a.a. CCn phn phi ci c t nht nht 2 VLANs trong mt 2 VLANs trong mi mi mng ng switchswitch

b.b. VLAN VLAN c sc s ddng vng vi mi mc c ch gich gip cp cc c switch hoswitch hot t ng nhanh hnng nhanh hn

c.c. CCn phn phi ci c t nht nht 10 switch trong ct 10 switch trong cng mng mt t mimin VTPn VTP

d.d. VTP VTP c sc s ddng ng ggi thng tin VLAN i thng tin VLAN n n ccc switch trong cc switch trong cng ming min VTPn VTP




8181

Cu 2Cu 2ChChn 3 m tn 3 m t phph hhp vp vi i hhnh vnh v::

a.a. Port WAN cPort WAN ca router a router c c ccu hu hnh lnh lm trunk portm trunk port

b.b. Port router kPort router kt nt ni i n n switch switch c cc cu hu hnh snh sddng subinterfacesng subinterfaces

c.c. Port router kPort router kt nt ni i n n switch switch c cc cu hu hnh 10 nh 10 MbpsMbps

d.d. Port switch kPort switch kt nt ni i n hub n hub c cc cu hu hnh lnh l full duplexfull duplex

e.e. Port switch kPort switch kt nt ni i n n router router c cc cu hu hnh lnh lm m trunk porttrunk port

f.f. Port switch kPort switch kt nt ni i n n hosts hosts c cc cu hu hnh lnh lm m access portsaccess ports






8282

Cu 3Cu 3 nng cao hinng cao hiu suu sut mt mng bng bng ving vic tng c tng bandwidth bandwidth n hosts vn hosts v hhn chn ch kkch thch thc c cca mia min broadcast, cn broadcast, cn phn phi si s ddng:ng:

a.a. KKt ht hp gip gia Hubs, Bridges va Hubs, Bridges v SwitchesSwitches

b.b. RouterRouter

c.c. NhiNhiu Switchesu Switches

d.d. CCu hu hnh switches cnh switches cng vng vi VLANsi VLANs



8383

Cu 4Cu 4

Giao thGiao thc nc no do di y i y c sc s ddng ng ccu hu hnh trunking cho switch (chnh trunking cho switch (chn 2):n 2):

a.a. VLAN trunk protocolVLAN trunk protocol

b.b. VLANVLAN

c.c. 802.1Q802.1Q

d.d. ISLISL



8484

Cu 5Cu 5Khi mKhi mt t ng trunk mng trunk mi i c tc to ra, do ra, d liliu u trn VLAN ntrn VLAN no o c cho phc cho php i qua p i qua ng ng trunk ntrunk ny:y:

a.a. NgNgm m nh, tnh, tt ct c VLAN VLAN u u c cho phc cho phpp

b.b. CCn phn phi ci cu hu hnh thm nh thm cho phcho php VLAN p VLAN nno o ss ddng ng ng trunk nng trunk nyy

c.c. ChCh VLAN 1VLAN 1

d.d. ChCh ccc VLAN c VLAN c cc cu hu hnh trnh trc c



8585

Cu 6Cu 6

KK thuthut nt no lo lm gim gim km kch thch thc cc ca a mmt mit min broadcast:n broadcast:

a.a. ISLISL

b.b. 802.1Q802.1Q

c.c. VLANsVLANs

d.d. STPSTP



8686

Cu 7Cu 7

Mode VTP nMode VTP no cho pho cho php thay p thay i thng i thng tin VLAN trn switch:tin VLAN trn switch:

a.a. ClientClient

b.b. STPSTP

c.c. ServerServer

d.d. TransparentTransparent



8787

Cu 8Cu 8LLnh nnh no sau y o sau y c dc dng ng ccu hu hnh port nh port cca switch sa switch s ddng phng thng phng thc chuc chun IEEE n IEEE chchn thng tin thn thng tin thnh vin VLAN vnh vin VLAN vo frame o frame Ethernet:Ethernet:

a.a. Switch(config)#switchport trunk encapsulation Switch(config)#switchport trunk encapsulation islisl

b.b. Switch(config)# switchport trunk encapsulation Switch(config)# switchport trunk encapsulation dot1qdot1q

c.c. Switch(configSwitch(config--if)# switchport trunk if)# switchport trunk encapsulation islencapsulation isl

d.d. Switch(configSwitch(config--if)# switchport trunk if)# switchport trunk encapsulation dot1qencapsulation dot1q



8888

Cu 9Cu 9Giao thGiao thc nc no cho pho cho php gip gim cng sm cng sc quc qun n trtr trn mtrn mt mt mng switch bng switch bng ving vic cho phc cho php p ccu hu hnh cnh ca ma mt VLAN mt VLAN mi phn bi phn b n tn tt t cc ccc switch cc switch c trong mitrong min:n:

a.a. STPSTP

b.b. VTPVTP

c.c. DHCPDHCP

d.d. ISLISL



8989

Cu 10Cu 10iiu nu no sau y lo sau y l ng:ng:

a.a. NgNgm m nh, tnh, tt ct c ccc switch c switch u lu l VTP VTP serversservers

b.b. NgNgm m nh, tnh, tt ct c ccc switch c switch u lu l VTP VTP transparenttransparent

c.c. NgNgm m nh, tnh, tt ct c ccc switch c switch u lu l VTP clientVTP client

d.d. Khng cKhng c ngngm m nh, cnh, cn phn phi ci cu hu hnhnh




9090

Cu 11Cu 11

LLnh nh t mt mt port ct port ca switch 2960 tha switch 2960 thnh nh trunk port ltrunk port l::

a.a. trunk ontrunk on

b.b. trunk alltrunk all

c.c. switchport trunk allswitchport trunk all

d.d. switchport mode trunkswitchport mode trunk



9191

Cu 12Cu 12BBn kn kt nt ni mi mt host vt host vo mo mt port trn switch,t port trn switch, nhng host mnhng host mi ni ny khng thy khng th truy ctruy cp p n n server ang server ang c cc cm vm vo co cng switch. Vng switch. Vn n cc thth ll::

a.a. Router khng Router khng c cc cu hu hnh dnh dnh cho host nh cho host mmii

b.b. CCu hu hnh VTP trn switch khng nh VTP trn switch khng c cc cp p nhnht dt dnh cho host mnh cho host mii

c.c. Host cHost c mmt t a cha ch MAC khng hMAC khng hp lp ld.d. Switch port mSwitch port m host khost kt nt ni vi vo khng lo khng l ththnh nh

vin cvin ca ca cng mng mt VLAN vt VLAN vi serveri server




9292

Cu 13Cu 13Hai switch khng chia sHai switch khng chia s thng tin VLAN. Xem hthng tin VLAN. Xem hnh nh ddi y vi y v cho bicho bit nguyn nhn:t nguyn nhn:

a.a. MMt switch ct switch cn phn phi i c c t VTP version 1t VTP version 1b.b. MMt switch ct switch cn phn phi i c c t VTP server vt VTP server v switch switch

cn lcn li phi phi i t lt l VTP client VTP clientc.c. Tn domain VTP Tn domain VTP c c t khng tht khng thng nhng nhttd.d. VTP pruning ang bVTP pruning ang b disabledisable



9393

Cu 14Cu 14Hai giao thHai giao thc c c cung cc cung cp cho vip cho vic c truytruyn thng gin thng gia ca cc interc inter--switch VLAN switch VLAN ll (ch(chn 2):n 2):

a.a. ISLISL

b.b. VTPVTP

c.c. 802.1Q802.1Q

d.d. 802.3Z802.3Z




9494

Cu 15Cu 15 ccu hu hnh VTP (Vnh VTP (VLAN trunking protocol)LAN trunking protocol) truytruyn n thng tin VLAN githng tin VLAN gia 2 switch, yu ca 2 switch, yu cu lu l (ch(chn 2):n 2):

a.a. Tn domain VTP cTn domain VTP ca ca c hai switch phhai switch phi gii ging nhaung nhau

b.b. TTt ct c ccc port trn 2 switch cc port trn 2 switch cn phn phi i c cc cu hu hnh lnh laccess portaccess port

c.c. MMt trong hai switch ct trong hai switch cn phn phi i c cc cu hu hnh lnh lm VTP m VTP serverserver

d.d. KKt nt ni gii gia hai switch ba hai switch bng mng mt rollover cablet rollover cable

e.e. MMt router ct router cn phn phi i c sc s ddng ng forward traffic forward traffic gigia ca cc VLANc VLAN




9595

Cu 16Cu 16LLi i ch cch ca VLANs (cha VLANs (chn 3):n 3):

a.a. Tng kTng kch thch thc cc ca mia min n ng ng

b.b. Cho phCho php nhp nhm cm cc user theo chc user theo chc nngc nng

c.c. Tng cTng cng bng bo mo mt mt mngng

d.d. Tng kTng kch thch thc cc ca mia min qun qung bng b vv gigim m ss l lng ming min n ng ng

e.e. n gin gin hon ho vivic quc qun trn tr ccc switchc switch

f.f. Tng sTng s mimin n ng ng vv gigim km kch thch thc cc ca a mimin n ng ng






TNG HP

9797

Cu 1Cu 1CC bao nhiu mibao nhiu min broadcast trong hn broadcast trong hnh?nh?

a.a. 11

b.b. 22

c.c. 33

d.d. 44

e.e. 55

f.f. 66



9898

Cu 2Cu 2

KiKiu tu tn cng n cng c trng bc trng bi vii vic lc lm m trtrn ngn ngp (flood) cp (flood) cc gc gi yu ci yu cu mu mt kt kt t nni TCP i TCP n mn mt server t server c gc gi li l::

a.a. Denial of service (DOS)Denial of service (DOS)

b.b. Brute forceBrute force

c.c. reconnaissancereconnaissance

d.d. Trojan horseTrojan horse



9999

Cu 3Cu 3 bbo mo mt ht h ththng, admin cng, admin cn ngn ngn ngn nga a vivic ping tc ping t ccc host bn ngoc host bn ngoi internet vi internet vo o mmng LAN cng LAN ca doanh nghia doanh nghip, giao thp, giao thc nc no o ccn phn phi bi b block trong Access Control List?block trong Access Control List?

a.a. IPIP

b.b. ICMPICMP

c.c. TCPTCP

d.d. UDPUDP



100100

Cu 4Cu 4ThiThit bt b cc thth c cc ci i t thm vt thm vo ho h ththng ng tng kh tng kh nng b nng bo mo mt cho mt cho mng lng l::

a.a. IDS IDS

b.b. Access PointAccess Point

c.c. ModemModem

d.d. IPSIPS

e.e. Access Control ListAccess Control List




101101

Cu 5Cu 5Switch1 vSwitch1 va restart. HostA ga restart. HostA gi frame i frame n hostB. n hostB.

a.a. Switch1 sSwitch1 s thm 192.168.23.4 vthm 192.168.23.4 vo bo bng switchingng switching

b.b. Switch1 sSwitch1 s thm 192.168.23.12 vthm 192.168.23.12 vo bo bng switchingng switching

c.c. Switch1 sSwitch1 s thm 000A.8A47.E612 vthm 000A.8A47.E612 vo bo bng switchingng switching

d.d. Switch1 sSwitch1 s thm 000B.DB95.2EE9 vthm 000B.DB95.2EE9 vo bo bng switchingng switching



102102

Cu 6Cu 6Khng cKhng c dd liliu u c kc kt nt ni gii gia hai router. Bia hai router. Bit rt rng router Alanta ng router Alanta ccu hu hnh nh ng. Router Brevard cng. Router Brevard c lli ci cu hu hnh gnh g??

a.a. Cha Cha t t a cha ch loopback loopbackb.b. a cha ch IP khng IP khng ngngc.c. Subnet mask khng Subnet mask khng ngngd.d. MTU (Maximum Transmission Unit) quMTU (Maximum Transmission Unit) qu llnne.e. Bandwidth khong tng thBandwidth khong tng thchch



103103

Cu 7Cu 7Switch nSwitch no o ng vai tr spanningng vai tr spanning--tree designated port tree designated port tti phn oi phn on mn mng phng phc vc v cho ccho cc printers?c printers?

a.a. Switch 1 Switch 1

b.b. Switch 2Switch 2

c.c. Switch 3Switch 3

d.d. Swtich 4Swtich 4



104104

Cu 8Cu 8SwitchSwitch--1 c1 cn gn gi di d liliu u n host cn host c a cha ch MAC lMAC l00b0.d056.efa4, switch00b0.d056.efa4, switch--1 s1 s llm gm g??

a.a. SwitchSwitch--1 s1 s huhu dd liliu vu v nn khng ckhng c entry trong bentry trong bng MAC addressng MAC addressb.b. SwitchSwitch--1 s1 s flood dflood d liliu u n tn tt ct c ccc port trn nc port trn n ngongoi tri tr port kport kt nt ni vi vi host i host

ngungunnc.c. SwitchSwitch--1 s1 s ggi ARP request i ARP request n tn tt ct c ccc port trn nc port trn n ngongoi tri tr port kport kt nt ni vi vi i

host nguhost ngunnd.d. SwtichSwtich--1 s1 s chuychuyn dn d liliu u n defaul gateway cn defaul gateway ca na n



105105

Cu 9Cu 9CCu hu hnh nh a cha ch IP phIP ph hhp cho cp cho cc thic thit bt b

a.a. 192.168.164.189/30192.168.164.189/30b.b. 192.168.164.166/28192.168.164.166/28c.c. 192.168.164.149/27192.168.164.149/27

d.d. 192.168.164.188/30192.168.164.188/30e.e. 192.168.164.178/29192.168.164.178/29f.f. 192.168.164.255/26192.168.164.255/26

106106

Cu 10Cu 10Hai giHai gi trtr c sc s ddng bng bi giao thi giao thc c SpanningSpanning--tree tree tuytuyn chn chn root bridge ln root bridge l::

a.a. Dung lDung lng RAM ng RAM

b.b. Bridge piorityBridge piority

c.c. IOS versionIOS version

d.d. IP addressIP address

e.e. MAC addressMAC address

f.f. Dung lDung lng ng ng truyng truynn




107107

Cu 11Cu 11

AdministratorLine

AdministratorLine

AdministratorLine

AdministratorLine

AdministratorLine

AdministratorLine

AdministratorLine


108108

Cu 12Cu 12MMt qut qun trn tr mmng cng cu hu hnh 2 switch tn London vnh 2 switch tn London v Madrid, Madrid, tuy nhin ctuy nhin cc switches nc switches ny khng chia sy khng chia s thng i thng ip VTP. p VTP. TTi sao?i sao?

a.a. VTP version khng VTP version khng c cc cu hu hnh nh ngngb.b. VTP operation mode khng VTP operation mode khng c cc cu hu hnh nh ngngc.c. VTP domain name khng VTP domain name khng c cc cu hu hnh nh ngngd.d. VTP pruning mode bVTP pruning mode b disabledisablee.e. VTP trans generation bVTP trans generation b disabledisable



109109

Cu 13Cu 13 cho phcho php thp thc hic hin kn kt nt ni Telnet i Telnet n mn mt router, ct router, cn cn cu hu hnh vnh vi ci cc lc lnh:nh:

a.a. Router(config)#line console 0Router(config)#line console 0Router(configRouter(config--line)#enable password cisco line)#enable password cisco

b.b. Router(config)#line console 0Router(config)#line console 0Router(configRouter(config--line)#enable secret ciscoline)#enable secret ciscoRouter(configRouter(config--line)#loginline)#login

c.c. Router(config)#line console 0Router(config)#line console 0Router(configRouter(config--line)#password ciscoline)#password ciscoRouter(configRouter(config--line)#loginline)#login

d.d. Router(config)#line vty 0Router(config)#line vty 0Router(configRouter(config--line)#enable password cisco line)#enable password cisco

e.e. Router(config)#line vty 0Router(config)#line vty 0Router(configRouter(config--line)#enable secret ciscoline)#enable secret ciscoRouter(configRouter(config--line)#loginline)#login

f.f. Router(config)#line vty 0Router(config)#line vty 0Router(configRouter(config--line)#password ciscoline)#password ciscoRouter(configRouter(config--line)#loginline)#login



110110

Cu 14Cu 14Xem hXem hnh. Kinh. Kiu giao tiu giao tip cp ca router la router l??

a.a. EthernetEthernetb.b. FastEthernetFastEthernetc.c. Gigabit EthernetGigabit Ethernetd.d. SerialSerial



111111

Cu 15Cu 15ChChn kin kiu ku kt nt ni i ng (chng (chn 2):n 2):

112112

Cu 16Cu 16Hai kHai k thuthut ngn ngt ngn nga truy ca truy cp trp tri phi php p n server ln server l??

a.a. Access listsAccess listsb.b. Encrypted router passwordEncrypted router passwordc.c. STPSTPd.d. VLANsVLANse.e. VTPVTP




113113

Cu 17Cu 17MMng trong hng trong hnh vnh v ggp vp vn n vv kkt nt ni. Gii. Gii quyi quyt vt vn n nny y bbng cng cch (chch (chn 2):n 2):

a.a. CCu hu hnh gateway trn host A lnh gateway trn host A l 10.1.1.110.1.1.1b.b. CCu hu hnh gateway trn host B lnh gateway trn host B l 10.1.2.25410.1.2.254c.c. CCu hu hnh nh a cha ch IP trn host A lIP trn host A l 10.1.2.210.1.2.2d.d. CCu hu hnh nh a cha ch IP trn host B lIP trn host B l 10.1.2.210.1.2.2e.e. CCu hu hnh subnet mask trn cnh subnet mask trn c 2 host l2 host l 255.255.255.224255.255.255.224f.f. CCu hu hnh subnet mask trn cnh subnet mask trn c 2 host l2 host l 255.255.255.240255.255.255.240




114114

Cu 18Cu 18Xem hXem hnh. MTU 1500 bytes cnh. MTU 1500 bytes c ngh ngha ga g??

a.a. SS byte tbyte ti a ci a c thth i qua interface n i qua interface ny trong my trong mi giy li giy l 15001500

b.b. KKch thch thc tc ti thii thiu cu ca segment ca segment c thth i qua interface n i qua interface ny ly l 1500 bytes1500 bytes

c.c. KKch thch thc tc ti a ci a ca segment ca segment c thth i qua interface n i qua interface ny ly l 1500 bytes1500 bytes

d.d. KKch thch thc tc ti thii thiu cu ca packet ca packet c thth i qua interface n i qua interface ny ly l 1500 bytes1500 bytes

e.e. KKch thch thc tc ti a ci a ca packet ca packet c thth i qua interface n i qua interface ny ly l 1500 bytes1500 bytes

f.f. SS byte tbyte ti a ci a c thth i qua interface n i qua interface ny trong my trong mi giy li giy l 15001500

g.g. KKch thch thc tc ti a ci a ca frame ca frame c thth i qua interface n i qua interface ny ly l 1500 bytes1500 bytes



115115

Cu 19Cu 19MMt qut qun trn tr mmng thm 2 host mng thm 2 host mi vi vo switch A. 3 gio switch A. 3 gi trtr cc thth c dc dng ng ccu hu hnh 2 host nnh 2 host ny ly l::

a.a. Host 1 IP address: 192.168.1.79Host 1 IP address: 192.168.1.79b.b. Host 1 IP address: 192.168.1.64Host 1 IP address: 192.168.1.64c.c. Host 1 defaul gateway: 192.168.1.78Host 1 defaul gateway: 192.168.1.78d.d. Host 2 IP address: 192.168.1.128Host 2 IP address: 192.168.1.128e.e. Host 2 defaul gateway: 192.168.1.129Host 2 defaul gateway: 192.168.1.129f.f. Host 2 IP address: 192.168.1.190Host 2 IP address: 192.168.1.190





116116

Cu 20Cu 20 mmt switch hit switch hiu suu sut cao t cao c trc tr ththnh nh root bridge trn mroot bridge trn mng, cng, cn phn phi:i:

a.a. KKt nt ni switch ni switch ny y n tn tt ct c ccc switch khc switch khc c trn mtrn mng ng

b.b. GGn cho switch mn cho switch mt t a cha ch MAC cao hn t MAC cao hn tt t cc ccc switch khc switch khc ang cc ang c trn mtrn mngng

c.c. CCu hu hnh switch sao cho cnh switch sao cho c priority thpriority thp hn p hn ccc switch khc switch khc trn mc trn mngng

d.d. CCu hu hnh switch nnh switch ny fully full--duplex vduplex v ttt ct c ccc c switch khswitch khc c u lu l halfhalf--duplexduplex




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Cu 21Cu 21QuQun trn tr mmng cng cu hu hnh security port trn nh security port trn switch switch ::

a.a. Ngn ngNgn nga truy ca truy cp Telnet khng p Telnet khng c cho c cho phphp p n switch n switch

b.b. HHn chn ch ss broadcast lbroadcast lp 2 trn mp 2 trn mt ct cng cng cthth cca switcha switch

c.c. Ngn ngNgn nga ca cc host khng c host khng c cho phc cho php p hohot t ng trong LANng trong LAN

d.d. BBo vo v a cha ch IP vIP v MAC cMAC ca switch va switch v ccc c port cport c lin quanlin quan



118118

Cu 22Cu 22Xem hXem hnh minh honh minh ho. Cho bi. Cho bit nguyn nhn gy ra thng bt nguyn nhn gy ra thng bo lo li (chi (chn 3):n 3):

a.a. Interface ang shut down Interface ang shut down b.b. Khng cKhng c ccc thng ic thng ip keepalives p keepalives c nhc nhnnc.c. Clock rate cha Clock rate cha c cc ci i ttd.d. a cha ch loopback cha loopback cha c cc ci i tte.e. Cha cCha cm cm cp vp vo interfaceo interfacef.f. KiKiu u ng gng gi khng hi khng hp lp l





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Cu 23Cu 23LLi i ch cch ca via vic sc s ddng VTP lng VTP l::

a.a. VTP cho phVTP cho php p nh tuynh tuyn gin gia ca cc VLANs c VLANs

b.b. VTP cho phVTP cho php ngn ngp ngn nga switching loopsa switching loops

c.c. VTP cho phVTP cho php chuyp chuyn dn d liliu tu t mmt switch t switch nny y n cn cc switch khc switch khc trong mc trong mngng

d.d. VTP cho phVTP cho php cp cc switch chia sc switch chia s thng tin cthng tin cu u hhnh cnh ca VLANa VLAN



120120

Cu 24Cu 24Xem hXem hnh minh honh minh ho. Ki. Kiu cable nu cable no so s c chc chn n tto co cc kc kt nt ni :i :

a.a. 1. Ethernet crossover cable, 2. Ethernet straight1. Ethernet crossover cable, 2. Ethernet straight--through cable, 3. Fier optic through cable, 3. Fier optic calbe, 4. Rollover cable calbe, 4. Rollover cable

b.b. 1. Ethernet straight1. Ethernet straight--through cable, 2. Ethernet straightthrough cable, 2. Ethernet straight--through cable, 3. through cable, 3. Serial cable, 4. Rollover cableSerial cable, 4. Rollover cable

c.c. 1. Ethernet rollover cable, 2. Ethernet crossover cable, 3. Seri1. Ethernet rollover cable, 2. Ethernet crossover cable, 3. Serial cable, 4. Null al cable, 4. Null modem cablemodem cable

d.d. 1. Ethernet straight1. Ethernet straight--through cable, 2. Ethernet crossover cable, 3. Serial through cable, 2. Ethernet crossover cable, 3. Serial cable, 4. Rollover cablecable, 4. Rollover cable

e.e. 1. Ethernet straight1. Ethernet straight--through cable, 2. Ethernet crossover cable, 3. Serial through cable, 2. Ethernet crossover cable, 3. Serial cable, 4. Ethernet straightcable, 4. Ethernet straight--through cablethrough cable



121121

Cu 25Cu 25MMt qut qun trn tr mmng thng th ping tping t host host1 1 n host2 vn host2 v nhnhn n c kc kt qut qu nh hnh hnh minh honh minh ho. Chuy. Chuyn gn g x xy ra:y ra:

a.a. KKt nt ni gii gia host1 va host1 v switch1 bswitch1 b ngngt t b.b. TCP/IP khTCP/IP khng ng c cc cu hu hnh nh ng trn switch1ng trn switch1c.c. KKt nt ni gii gia router1 va router1 v router2 brouter2 b ngngttd.d. Default gateway trn host1 khngDefault gateway trn host1 khng ngnge.e. Giao tiGiao tip fa0/0 trn router1 bp fa0/0 trn router1 b shutdownshutdownf.f. KKt nt ni gii gia switch1 va switch1 v router1 brouter1 b ngngtt



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Cu 26Cu 26Khi nng cKhi nng cp mp mt file IOS mt file IOS mi, qui, qun trn tr mmng nhng nhn n c thng bc thng bo o lli nh hi nh hnh minh honh minh ho. Chuy. Chuyn gn g x xy ra?y ra?

a.a. File IOS mFile IOS mi qui qu lln so vn so vi bi b nhnh Flash cFlash ca router a router b.b. Router khng thRouter khng th vn t vn ti TFTP serveri TFTP serverc.c. File IOS mFile IOS mi khng i khng ng vng vi ci cu hu hnh phnh phn cn cng cng ca thia thit bt b routerrouterd.d. File IOS mFile IOS mi trn TFTP server bi trn TFTP server b h he.e. Khng Khng khokhong trng trng trn TFTP server ng trn TFTP server i vi vi file IOSi file IOS



123123

Cu 27Cu 27TTc dc dng cng ca via vic sc s ddng lng lnh nh service service passwordpassword--encryptionencryption ll::

a.a. ChCh cc enable password enable password c m hoc m ho

b.b. ChCh cc enable secret password enable secret password c m hoc m ho

c.c. NhNhng password ng password c a vc a vo sau lo sau lnh nnh ny y ss c m hoc m ho

d.d. SS m hom ho ttt ct c nhnhng password ng password c c t trt trc c vv cc sau nsau nyy




124124

Cu 28Cu 28Xem hXem hnh minh honh minh ho vv chchn cu trn cu tr lli i ng:ng:

a.a. Switch sSwitch s chuychuyn tin tip c sp c s dd liliu VLAN cu VLAN ca na n n nhn nhng switch ng switch khkhc trong cc trong cng ming min ICND VTPn ICND VTP

b.b. SS revision srevision s c tng ln mc tng ln mi li ln c sn c s dd liliu VLAN u VLAN c cc cp p nhnhtt

c.c. Switch sSwitch s chuychuyn tin tip cp cc cc cp nhp nht VTP t VTP c gc gi bi bi ci cc switch c switch khkhc trong cc trong cng ming min ICNDn ICND

d.d. C sC s dd liliu VLAN u VLAN c cc cp nhp nht khi thng tin VTP t khi thng tin VTP c nhc nhn tn tccc switch khc switch khcc



125125

Cu 29Cu 29Khi mKhi mt t ng trunk mng trunk mi i c cc cu hu hnh trn nh trn switch 2950, ngswitch 2950, ngm m nh thnh th VLAN nVLAN no o c c cho phcho php i qua p i qua ng trunk:ng trunk:

a.a. Khng cKhng c VLAN nVLAN no o c cho phc cho php p

b.b. TTt ct c VLAN VLAN u u c cho phc cho phpp

c.c. ChCh cc VLAN 1VLAN 1--6464

d.d. ChCh nhnhng VLAN nng VLAN no o c xc xc c nh khi tnh khi to o ng trunkng trunk



126126

Cu 30Cu 30Xem hXem hnh minh honh minh ho, , a cha ch nno co c thth c gc gn cho n cho workstation A?workstation A?

a.a. 192.168.1.143/28192.168.1.143/28b.b. 192.168.1.144/28192.168.1.144/28c.c. 192.168.1.145/28192.168.1.145/28d.d. 192.168.1.159/28192.168.1.159/28e.e. 192.168.1.160/28192.168.1.160/28




127127

Cu 31Cu 31Xem hXem hnh minh honh minh ho vv chchn cu trn cu tr lli i ng:ng:

a.a. Switch 2 lSwitch 2 l root bridge root bridgeb.b. Spanning tree khng Spanning tree khng c sc s ddngngc.c. Host D vHost D v server 1 cserver 1 cng mng mngngd.d. Khng cKhng c ng ng xuxut hit hin gin gia host B va host B v host Chost Ce.e. NNu Fa0/0 down trn router 1, host A khng thu Fa0/0 down trn router 1, host A khng th truy ctruy cp server 1p server 1f.f. NNu Fa0/1 down trn switch 3, host C khng thu Fa0/1 down trn switch 3, host C khng th truy ctruy cp server 2p server 2




128128

Cu 32Cu 32Xem hXem hnh, NAT snh, NAT s c cc cu hu hnh trn thinh trn thit bt b nno?o?

a.a. Router CoporateRouter Coporateb.b. Router EngineeringRouter Engineeringc.c. Router SalesRouter Salesd.d. Trn tTrn tt ct c ccc router trong mc router trong mngnge.e. Trn tTrn tt ct c ccc router vc router v switch switch trong mtrong mngng



129129

Cu 33Cu 33Xem hXem hnh, Mnh, Mt qut qun trn tr mmng cng cn cn cu hu hnh router vnh router v switch sao switch sao cho ccho cc host trong VLAN 3 vc host trong VLAN 3 v VLAN 4 cVLAN 4 c thth kkt nt ni i c c n n server trong VLAN 2. Haiserver trong VLAN 2. Hai phn o phn on Ethernet nn Ethernet no so s c cc cu u hhnh lnh lm m ng trunk?ng trunk?

a.a. AA

b.b. BB

c.c. CC

d.d. DD

e.e. EE

f.f. FF




130130

Cu 34Cu 34Host 1 cHost 1 cn gn gi 1i 1 request request truy ctruy cp file trn server 1. Np file trn server 1. N ss t t a cha ch ch nch no vo vo request packet?o request packet?

a.a. a cha ch MAC trn NIC cMAC trn NIC ca server 1a server 1b.b. a cha ch IP cIP ca server 1a server 1c.c. a cha ch MAC trn giao tiMAC trn giao tip s0/0/0 cp s0/0/0 ca router 2a router 2d.d. a cha ch IP trn giao tiIP trn giao tip s0/0/0 cp s0/0/0 ca router 1a router 1e.e. a cha ch IP trn giao tiIP trn giao tip Fa0/0 cp Fa0/0 ca router 1a router 1



131131

Cu 35Cu 35Xem hXem hnh.nh. switch1 thay thswitch1 thay th switch9 lswitch9 lm root bridge, phm root bridge, phi:i:

a.a. GiGim priority trn switch9m priority trn switch9b.b. Tng priority trn switchTng priority trn switch99c.c. GiGim priority trn switch1m priority trn switch1d.d. Tng priority trn switchTng priority trn switch11e.e. Disable SpanningDisable Spanning--tree trn switch9tree trn switch9f.f. Thay thThay th vvt l git l gia switch1 va switch1 v switch9 trong m hswitch9 trong m hnhnh



132132

TTI LII LIU THAM KHU THAM KHOO

1.1. Sybex CCNA_640Sybex CCNA_640--802 6802 6thth, Ed. Todd , Ed. Todd Lammle, 2007.Lammle, 2007.

2.2. CCNA SelfCCNA Self--Study Exam Certification Study Exam Certification Guide, Wendell Odom, CCIE No. 1624, Guide, Wendell Odom, CCIE No. 1624, 2004.2004.

3.3. CCc c thi chthi chng chng ch CCNA (Cisco CCNA (Cisco Certified Network Associate).Certified Network Associate).

THIT B MNGNI DUNGLin mngCu 1Cu 2Cu 3Cu 4Cu 5Cu 6Cu 7Cu 8Cu 9Cu 10Cu 11Cu 12Cu 13Cu 14Cu 15Cu 16Cu 17Cu 18Cu 19Cu 20Gii thiu v TCP/IPCu 1Cu 2Cu 3Cu 4Cu 5Cu 6Cu 7Cu 8Cu 9Cu 10Cu 11Cu 12Cu 13Cu 14Cu 15Qun tr IOS v cc thit b CiscoCu 1Cu 2Cu 3Cu 4Cu 5Cu 6Cu 7Cu 8Cu 9Cu 10Cu 11Cu 12Cu 13Cu 14Cu 15Cu 16Cu 17Cu 18Cu 19Cu 20Chuyn mch lp 2 v giao thc STPCu 1Cu 2Cu 3Cu 4Cu 5Cu 6Cu 7Cu 8Cu 10Cu 11Cu 12Cu 13Cu 14Cu 15Cu 16Cu 17Cu 18Mng LAN o v giao thc VTPCu 1Cu 2Cu 3Cu 4Cu 5Cu 6Cu 7Cu 8Cu 9Cu 10Cu 11Cu 12Cu 13Cu 14Cu 15Cu 16TNG HPCu 1Cu 2Cu 3Cu 4Cu 5Cu 6Cu 7Cu 8Cu 9Cu 10Cu 11Cu 12Cu 13Cu 14Cu 15Cu 16Cu 17Cu 18Cu 19Cu 20Cu 21Cu 22Cu 23Cu 24Cu 25Cu 26Cu 27Cu 28Cu 29Cu 30Cu 31Cu 32Cu 33Cu 34Cu 35TI LIU THAM KHO

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