computer_network11.pdf

!! $%&########!" !! ! -$.,/$!*+,!"#$%&'$!() !! !! !!...

!! $%&########!" !! ! -$.,/$!*+,!"#$%&'$!() !! !! !! !! !! !! !!01232!4!567 " "$%&"'%(")*+,-."'/&"'%("#! Email : [email protected] !!Tel : 050 / 6771551 & Mobile : 0109833045  !! !! !! !! !! !! !! !! Computer Networking Chapter 1 : Introduction to Networking Chapter 2 : Network Architecture Chapter 3 : The OSI Network Model Chapter 4 : Network Devices Chapter 5 : Network Protocols Chapter 6 : Integrated Services Digital Network (ISDN) Chapter 7 : Virtual Private Network (VPN) Chapter 8 : Dictionary of the Networks !! Chapter 1 Introduction To Networking  Chapter 1 Introduction to Networking !! What is A Network ? !!!!"!#$%&'()!*+!$, !! !! !! !()*!"#+,%)-&'!.+)/$!.0$)&'!,12)0$$!"345-&'!"678+5#&9'!:;1F!>,6M='!X3LF!(*!W7#-6 !B)6+5!,)-!O+05!>F!>#--&'!>-!R7_*!IP='!N3?!>#&8!D"&,M!I#!N3?!a$Z75!Q!:B?,G&'!TU@!>F!K-8!!D!+586$-#&' SA,#$%3&!+$#F!\1*!W6B&!>,#!'Ub!R6&b!I848&'!W7#-6!+c#F8!'U@!I#!D+$#F!"-#M$!+-='!+6BG5!K6Z5H58!"3-? !! !,)-3#8!!D!!"#$)%!I-?!W7#-6!BM'8!+586$-#!>-!+c#F!W6B&!>,#!'U_*!!D!!R#-6! !!S+$#F!,15'B6G05!A7,#!,-3#!:+6$#!"#$%&'!A7,# !! !! !! !! !! Why use Networks ? !! !! !! !\,?!I#%$8!>#&8!D"-,?!I,-?F!\BC6!,1!20$8!"4,C!I,-?F!"-BC$!\8G6!,120$!A,#$%&'!d'87F!>-!B6B0&'!W,7@ !>,)#!'U_)*!!D!!A,-830-&'!IG7!8@8!R3-!ABF!>806Z5H6!h,13-?!Z,G7!h!,1*'+ZF!O35C-!(*!"#$%&'!(-BC5H-!>b !W6B&!>,#!'Ub!I,c-&'!I6$H!N3?8!SSS! >-c&'!"6&,L!A'B0-![F8!\B8-&'!8F!Scanner! 'BM'8!\8H+!EH,-8!"0$,Z !I#&8!R0$,Z!,17-!+586$-#!I#&!>8#6!>F!(!GZ7-&'!+6L!>-!>_*!WBQ8=!+Ci!+586$-#!A6+5%'8!A6$&'!(*!+586$-# !,)17-!+58)6$-#!I)#!>8#6!(&,5&,$8!BM'8!\B8-!(*!"#+,%-&'!>#--&'!>-!R7'!I$!D!T+6L!8F!\8H+!EH,-!,17- !!S!A7+579,$!I45- !! !!f>,-='!!g" !,)1&!A,#$%)&'!>b!D!!"#$%)&'!N&b8!>-!A,-830-&'!I8CB8!j8+C!(*!\#M5&'!K6Z5H5!W7e$!"#$%3&!,6';-!W,7@! !8F!E-H)5!A,Y)4'8-&'!TU@8!D!gPermissionk!E6+,45&,$!N-H6!,-!8F!!"6,-M&'!a+Z!>-!"-BG5-!A,Y4'8- !!S!,-!;,1,#-!(*!A,-830-&'!K28!"67,#-b!"#$%&'!W6Z05! !S!+58)6$-#!;,1-!BM6!8F!I3G6!'U!@8!D!!R6&b!I848&'!I-0&' !I848&'!>806Z5H6!l+CF!A'+'Bb!(*!>6B6-BC5H-&'!>_*!'U&8!A,-830-&'!:B?,P!R6;#+-$!"#$%&'!E-H5 !!S;,1-!I3G6!'U@8!A,-830-&'!B8,#-!oY7!(&b !! !!!fAQ,45Q'!"&81H!g$ !R)G6+Z!A,#$%)&'!\B)G5!!D!!ZC&'!N3?!A,-&,#-&'8!IH'+5&'8!B6+$&'!Ic-!:B6B?!^,6%=!"31H!I83M!"#$%&'!+*85 !\8G6!>F!W7,#-_$!R7F!I$!D!+c!#F!8F!>67,#-!>6$!I,45Q'8!IH'+5&'8!"678+5#&9'!IV,H+&'!Ic-!"M6+-8!R31H!I,45' !;8B)768!I6/%)5&'!]-,)7+$!>F!I,),#*!(&!t'!XH,M&'!;,1,#8!D;,1-!,@+6/&!"#83--!l+CF!"6;#+-!A,$H,M!,1-BG5 !!Processing!Distributed!"?;8-&'!"6;V,M&'!r,C%='!,16*!\#M56!(5&'!:+6/4&'!"64C%&'!A,$H,M&'!\8G!5!,16*8 !^'+#-6 !! !! Eng. Mohammed Abd EL-Kader $  Chapter 1 Introduction to Networking The Network Server !! !! !! ![8)P!]&,0-!8!:+6$#!>6;C5!"M,H-!N3?![85M6!(4C%!+586$-#!;,18#6!BP!B8;-&'!8F!gServerk!\B,C&' !A,Y4'8-!R&!>8#5!8!A,#$%!B8;-!>8#6&!,464C!d874-!;,18#6!>F!>#--&'!>-!R7F!,-#!D!:+6*8!:+#'U8 !8F!gDatak!A,)7,6$!+B,4)-&'!TU@!A7,#!^'8H!+B,4-&'!"#+,%-!(@!+*+6H3&!"6H,H='!"Y6`8&'!8!SSS!"4,C !I66Y`8)-&'!\8G6*!,-!"#+%!(*!"0$,Z!"#+,%-!Ic-!SSS!!"-BC&'!TU@!\BC5H6!\BC5H-&'!8!"-BC&'!+*86!+*+6H&,* !X)3Z$!\8)G6!+586$-#!;,18$;&'!O6+05!>#-6!SSS!"0$,Z&'!TU@!\'BC5H,$!gClientk !+*8)-&!K$,)5!+$506!R7_* ISP "-BC!+*8-!K-!W'+5%'!+586$-#!X3Z6!,-B70*!D+Ci!+586$-# ;,1-!"-BC&' !!S (Client of ISP)."-BC&' Eng. Mohammed Abd EL-Kader %  Chapter 1 Introduction to Networking !! !! !! !Peer To Peer Networks!! !! ! !! ! !! ! !! ! !! ! !! ! ! ! ! !! ! !! ! !! ! ! !! ! !! ! ! ! '()*!'(*+!"#$%&! ! !! !! !! !oY7!(*!B8;-&'!8!>8$;&'!OV,`8!"6Be5!,17-!I#!K6Z5H6!"#$%&'!(*!A'+586$-#&'!>F!B73&!B7&'!A,#$%$!B84G-&' !X)3Z6!A)P8&'!o)Y7!()*!8!A,)-830-&,$!T+6!L!B68;5!K6Z5H6!"#$%&'!N3?!;,1_*!(&,5&,$!8!D!AP8&' !!!S!"#$%&,$!"345-&'!:;18#6!>F!>#--!"#$%&'!(*!;,1-!d87&'!'U@8 !! !:B,)?!()@8!D!!>60-!I-?!;,8,055!(5&'!:;1-!d87&'!'U@!B@,%78!D!"1$,%5-!\,1-!,@B'+*F!;8#6!>F!w! !TU)@!R)6*!B),#-&'!oY7!(*!>8B82+5Y-&'!>8-BC5H-&'!>8#6!>F!w" !!!S!"#$%&' !!!S!W6B&!"/&,$&'!"6-@='!A'U!+8-='!>-!"#$%&'!>-F!>8#6!Q!>F!w# !I$G5H)-&'!()*!,@+68Z5!8!"#$%&'!"6-75&!ZZC!"#$%&'!TU@!^,%7b!B6+5!(5&'!"HHs-&'!"67!(*!>8#6!Q!>F!w$ !!!SX6+G&' !! !!!f!"6&,5&'!+8-='!+,$5?Q'!>60$!UC='!X-='!l85H-!w" !!!S"HHs-&'!I-?!"06$Z!w# !!!S!R63?!I84M&'!(*!XL+5![U&'![+'B9'!\?B&'!l85H-!w$ !!!S"#$%&'!(-BC5H-&!"2+5Y-&'!A,=!D!"68P!:;1-! :B,Y5HQ'! 8!A,7,6$&'!B,6-BC5H-&'!8!:;16+Ct'!K-!,15#+,%-!B6+6!(5&'!B+'8-&'!8!A,7,6$&'!B6BM58!T;,1_*!E2'8!8@!,-#8 !! !!!f!(1*!B73&!B7&'!A,#$%!\?B5!8!A*8H8+#6,-!,15+B4F!(5&'!I6/%5&'!"-`7=!"$H7&,$ !!!Windows for! Workgroup 3.11!w! !!!Windows 95!w" !Windows 98!w# !!!Windows Me!w$ Eng. Mohammed Abd EL-Kader (  Chapter 1 Introduction to Networking !!!Windows NT!Workstation!$'(!w% !!!!Windows NT!Server!$'(!w& !!!Windows!Professional!"(((!w) !!!Windows!Server!"(((!w* !!! !8!"#$%)&'!:+'B9!,1-B)G5!()5&'!A'8Bx&!'+`7!"-`7='!(P,$!>-!I2*F!"(((!;8B768!8! NT! "-`7F!+$505!8 !!S!"#$%3&!T+*85![U&'!>,-='!>-!(&,0&'!l85H-&' !! !! !! !! !! Client / Server! Networks!!!! ! ! ! !! ! ! !! ! ! ! !! ! !! ! !!! ! ! ! !! ! ! ! ! !! ! !! ! ! ! !12/3*+!0!,-.4!E93I4!ABC!EFG#!E(]!"97!>B0E3/4!a=!1;*@4EK!P#L*0#!a!"#B3C!"3!Q;*2# !! !>$#2O*/4!"3!1C92!>/9183!"3!f*2#!7K!T'/4!,E1Z*/4!P23/9! !!!c?$$#2O*!QR9!!J2EFe4!J137(*03/4 !!g0$8*#!!ha9+!9$;V!>/10E!S0E#!"+!WU;-I4!784!!74E+!4'=![2+ 9R!1;/!L#0&/4!c#E%*/49!CSMA/CD 5716*/4 !!!!LO0$#!:!!>$d8B/4!gD2!QV!"#U1;-!S0E+!4'=!k78#!4'13!"