Bai 20 Mang May Tinh(Day Du Nhat)

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1. Bi 20. Mng my tnh 2. Ti sao phi ni mng my tnh? 3. Sao chp, truyn d liu 4. Chia s ti nguyn (thng tin,thit b...) 5. TO THNH H THNG TNH TON ln 6. Sao chp mt lng ln d liu t my ny sang my khc trong thi gian ngn. Sao chp, truyn d liu DL DL cha my ny Copy DL

  • 1. MNG MY TNH L G?
    • a)Li ch ca mng my tnh:

D liu 7. b)Khi nim mng my tnh: L mt tp hp cc my tnh c kt ni theo mt phng thc no , sao cho chng c th trao i d liu v dng chung thit b. My in Server My vn phng on My phng Gio vin My phng Tin hc MNG CC B TRNG HC 8. Mng my tnh bao gm 3 thnh phn:

  • Cc thit b mng m bo kt ni cc my tnh vi nhau
  • Cc my tnh

c) Cc thnh phn ca mng my tnh:

  • Phn mm cho php thc hin vic giao tip gia cc my tnh

9. Kt ni mng Chia s ti nguyn (Thit b, thng tin, d liu v phn mm ...) Sao chp, truynd liu To thnh h thng tnh ton ln 10. 2. PHNG TIN V GIAO THC TRUYN THNG: a) Phng Tin Truyn Thng(Media)

  • Kt ni c dy:
  • Kt ni c dy
  • Kt ni khng dy

C my cch kt ni mng? Hub Cp mng My tnh c kt ni bng cp mng 11.

  • Kt ni c dy:

Cp truyn thng c th l cp xon i, cp ng trc, cp quang, Cp xon i: a) Phng Tin Truyn Thng(Media) u ni RJ - 45Cp xon i 12. Cp ng trc

  • Kt ni c dy:

u ni Cp ng trc 13. Cp quang

  • Kt ni c dy:

V nha bc cp Si quang V bc si quang 14. V mng Hub Cc thit b kt ni mng c dySwitch Gic cm Cp mng Bridge Router 15. KIU NG THNG (Bus) Kiu vng(Ring) Kiu h nh sao(start) Kieu Bo Tr Cac May Tnh Trong Mang Nhcim

  • Tt c cc my cnivo mt thit b trung tm

Tt c cc my cnitrc tip vi nhau to thnh mt vng trn kpkn

  • D lp t
  • Tt c cc my cni vi nhau trn mt ng thng v gii hn bi mt thit b c bit
  • Nu dy ng thng b tthton b h thng s ngng hot ng
  • Nu mt my b hng th ton b h thng s ngng hot ng
  • Nu mt my trm b hngthton b h thng vn hot ng binh thng
  • Khi trung tm c s cth ton b h thng s ngng hot ng
  • D lp t

uim cim Nhcim uim cim Nhc im u im c im Kiu b tr 16. a) Phng Tin Truyn Thng(Media)

  • Kt ni c dy
  • Cng knh v s dng nhiu thit
  • b, khng linh ng.
  • Cc my tnh ph thuc vo nhau
  • Nu xy ra s c th ton b h
  • thng s ngng hot ng.
  • D lp t
  • t nhiu

NHC IM U IM 17. Dng sng rai, bc x hng ngoi, truyn thng qua v tinh

  • Kt ni khng dy:

18. im truy cp khng dyWAP ( Wireless Access Point ): c chc nng kt ni cc my tnh trong mng v kt ni vi mng c dy.

  • Mi my tnh phi c v mng khng dy.
  • ( Wireless Network Card )

t chc mt mng my tnh khng dy cn c : 19. Cc yu t cn quan tm khi thit k mng

  • S lng my tnh tham gia mng
  • Tc truyn thng trong mng
  • a im lp t mng
  • Kh nng ti chnh

20. B. Giao thc (Protocol) Bn c th vit bng ting Vit khng? 21. Ni nhn Ni gi - M phng giao thc truyn thng trong mng: Vit th B thvo thng Chuyn th n bu in Bu in phn loi v chuyn th c th M thngly th Chuyn th n ngi nhn Bu in phn loi v chuyn th D liu 3 4 1 2 22. b) Giao Thc Truyn Thng (Protocol)

  • nh ngha:

L b cc quy tc phi tun th trong vic trao i thng tin trong mng gia cc thit b nhn v truyn d liu. Hin nay b giao thc c dng ph bin trong mng l: TCP/IP TCP(Transmission Control Protocol ) IP(Internet Protocol) Giao thc Internet TN(t1) Giao thc iu khin ng truyn d liu 24. A. Theo phn b a l:

  • Mng cc b(LAN L ocalA reaN etwork)
  • L mng kt ni cc my tnh gn nhau, V d: trong mt phng, mt to nh, mt x nghip.

3.Phn loi mng my tnh 25.

  • Mng din rng( WAN W ideA reaN etwork)
  • L mng kt ni cc my tnh cch nhau mt khong cch ln. Mng din rng thng lin kt cc mng cc b.

26. B. Theo kiu b tr cc my tnh :

  • Kiu ng thng ( Bus )

27.

  • Kiu vng ( Ring )

28.

  • Kiu hnh sao ( Star )

29.

  • Kiu ng thng
  • Kiu vng
  • Kiu hnh sao

Vi mi kiu cn c cc loi thit b mng khc nhauchi ph xy dng, s pht trin mng, cch thc qun l mng cng khc nhau. 30.

  • M hnh ngang hng( Peer to Peer )

Trong m hnh ny tt c cc my u bnh ng vi nhau, ngha l mi my va c th cung cp ti nguyn ca mnh cho cc my khc, va c th s dng ti nguyn ca cc my khc trong mng . M hnh ny c u im l xy dng v bo tr n gin, song ch thch hp vi cc mng c quy m nh, d liu phn tn. 4/. Cc m hnh mng: 31.

  • M hnh khch ch( Client Server )

Server: My ch m bo vic phc v cc my khch bng cch iu khin vic phn b ti nguyn trong mng vi mc ch dng chung..Client:My khch s dng ti nguyn do my ch cung cp. M hnh ny c u im d liu c qun l tp trung, ch bo mt tt, thch hp vi cc mng c quy m trung bnh v ln. Client Client Server 32. CNG C: 1/- Mng my tnh:

  • Li ch ca mng my tnh:
  • Khi nim ca mng my tnh
  • Cc thnh phn ca mng my tnh:

2/- Phng tin v giao thc truyn thng:

  • a) Phng tin truyn thng :
    • Kt ni c dy :
    • Kt ni khng dy:

b) Giao thc(Protocol) 33. CNG C: A. Theo phn b a l:

  • Mng cc b(LAN L ocalA reaN etwork)
  • Mng din rng( WAN W ideA reaN etwork)

3.Phn loi mng my tnh: B. Theo kiu b tr cc my tnh :

  • Kiu ng thng
  • Kiu vng
  • Kiu hnh sao
  • M hnh ngang hng ( Peer to Peer )
  • M hnh khch ch ( Client Server )

4/. Cc m hnh mng: