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NetworkEssential - 1 Main Mini P.C"#$& $"...

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Unformatted text preview: 1 Main Mini P.C ! " #$ # '( ) %# & $ # " Package : .2 1 '2** '( + ! , - $ .! /0# : ! & 2# ' User & 4 4 4 A# 9 !( , / 5 !( 9 : @ !( 67 1 $" 8 ( Ram) 6; $</ = ." "2 $</ = ." "2 : Single user Multi user ' ' 2* ! ! ! Multi programming ALI REZAEI ST.NO. 81035943 2 ( Main) .2* / .2* ..! J ' ..! # !) %6" / !"# B C D" ! 1 . / E F 1C & 2* $/ ; $ B1 G ! %C "( H* 9 4 6K $%&' ! ( I& ( F . ! ! ," ( B A JF $ % 2*# ( Main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ocal Area Network " \" [ & .(127 4 1( " "( ! " ! ( Lan) "ZA & . " .7 K $ 1B #R 67 A $CA 67 $CA -7 " / ]9 '(127 Wide Area Network Lan ,"2* & Wan "^( X . " L <# ( Wan ," 5 ( Wan ) '( .# *" B 2" Q ( 5 $CA $CA ( 1 2# 2# " / ]9 ."(127 Wan ( 8" L"2C" -A : # %& ( ) *+ , - . Q "# 1 . $CA ( K7 $[ B &!$ * " & B( .2# ( # 1 = [ $* & ( 66K` , 1 6 .2* / a $*" 1 2 " $P! B & ! & # 0 LK .2* ^ Q %C Q"( ( Q 2Q*# .QK R B Q5 .2* B * K[ / B A JF $ % ( '1_ ( 1 C ( "& ( 2P 67 $CA !-7 ( ( 2# ! B2 ) ( 91 $ ( 67 ! 67 $CA .2* $CA "( : K# $CA $CA ` LF @ W T $P! . 6 R R 1 "bF c dP# 67 67 ' L !( 1 Q/ . Q! & e JQ '( + Q! B C ALI REZAEI ST.NO. 81035943 4 :Pack *$ )+ Q8= Q " $ $ 4 _[ [ A Z dT ( _[ / H* .2# OPEN 0 %+ [ QQQA jQ % 2T 1 2* .2Q YQ SYSTEM " 4 ; $ K! ( 2# ! ," . 2 QQQ ( ( R & " H2 ," .( .(& ( F K# Z A QQQ iQQQ" P $/ 5 R $ 67 ( .` %! '2 # Packet 67 G $ $CA C ," . ( ( $/ Qa B) $Q ... 1 QdT f 7 Q $Q Z 4 _[ 1 2 G g () ^ 2A g () h ! 2# OSI - ' . /012 /$3 INTERCONECT $CA ( 2# ! ," A P 1 ," /1 P OSI H2 QQQ% B QQQ* $QQQ 1 '2QQQ $QQQk $k Z A .2 ( $k 6 QQQ6 $CA ( ( Communication Protocol ) 2* $GA[ 1 2P $"O $ . .! '2 ` 1( $"O CJ $"O .+ & H2 ," K ( 91 6 .` = ( = [ 0 ( n-1) $"O -! (( R " $CA R QQQ 6QQQ; j QQQ L# L 1 4 k 9 $ 1 2 ( '( + ! 6AR $"O -! '2 $k 4 2T & $"O " $CA " ( .! ,CK 1 . # $"O l # 1 T!$ L $ 2# ( 91 $"O 2* " '2Q $Qk 4 2QT g Q! 0 n $"O ( '2 0 8# 2*" / 1 I& ( F $ 6 $ .! ," ( 2* $GA[ ." " ( %* 41 + ,Q" $Q .( 2Q# B) & QAR 1 n-2 Q " % 1 ( 8" 1 . ( 2 T 41 + L"2C" $"O 2* " .( 5 4 ; '( ! $CA ," , Z A : /012 Physical Data link Network Transmission Session Presentation Application C" / $"O '( ( Z A $"O $CA $"O H G # $"O $"O gK U" K# $"O @ ( $"O W : /$3 ALI REZAEI ST.NO. 81035943 5 : ( Physical) 1 $Q" 8 1 2Q# 2# Q*P M Q Q8*" ( Q% ,Q" ^ ( ( ^ -T ( B " 9 1 m `1 n ..! Z ( $Q<7` ( . 2Q .Q/ " ( C 1 o d! $ Z $"O ," $ H G # - 7 " 1 ( $<7` ( . " 2# 1 ! % 1 C" C` 4 ( ( R . .! O 8# 1 4O ") l #^ h# J C" / $"O 67 $"O $+ E1 % ," / ^ B !O2 l # " (.2 $ 4 QQ _[ Q" ( .Q 2* ) & Q " 1 4 _[ H QQ! ! 4 ; $ .! ,CK $"O ," ( Z A Full Duplex Q" Half Duplex H G # I1 .! ,CK 4 ; 1( ," & " $6 !1 $ B KQQ ./ " ( 1 H QQ! I1 ," ( .( QQ $ / 5 2QQQ= 1 B) ( H G # -T Half Duplex H G # I1 .. # ,CQK -T ..! "bF B C -T " -! 4 _[ B K ./ " ( 1 H ! Full Duplex H GQ # I1 ( : ( Data link) $QC6 ( 2Q# $Q Packet 1 !% % # 1 2 B( L"( $"O ," ( ( '2% $ pJ 4 ; $"O ," ( # ' L " 1( , -T B12 Z A Packet 4 dT o_; 1 & ! C ) . 2" / R $"O ," 4 _[ 4 _[ $ !( " $# J# $"O ," .2! * ' Q7# 1 B Q & , Q P .( 5 ..! $"O ," i" E1 & # -T $ : ( Network) Q & $Q ,QP Q" $6 Q!1 $ " Q $CAQ " ( ^ ( ( '2Q% $Q R Y! * 4 _[ H ! $"O ," 2** , " 2* Y! * &8 ( 8" $"O ," i6 q QT Z QA .( 5 '( + ! 4 _[ H G # H G # $"O ( ( Connection ) Z A ,"2* 2# 4 ; Multiplex I1 $ ( 91 4 ; ( $"O ," .2* R Data link $"O ( Z A : ( Transmission ) Q $Q"O ." "2Q $ Q 2# Q OQ QK $"O ," ^ 2 ( $k $ 67 4 2T $ .! $ " %# = " $"O ," , " F $"O ," <# & ," "& Packet 1 2# T 1 ," "& $"O $ o_Q; 1 CQ ) Q dT $Q"O ,Q" ( .2Q ( 4 _[ H G # ^ Z A l1 $"O $ ( .2* ( $ ( (5 0 8# 4 _[ B " 9 1 Z A 2*" / H * Q '2Q# ( 5 f 7; .` = $ 2# '2 ./ " ( f 7; S Y 4 ; 4 _[ .7; H * r $"O ," ( 91 . ( 5 $"O ," ( L"( 4 A 4 ; $"O ," -! Z A $ 4 _[ B " 9 H * ' 7# 1 -T $ ! !( ' 7# - 7 l # & G ALI REZAEI ST.NO. 81035943 6 : ( Session ) B QC 1 2Q* H Q * $Q $Q 2Q* <# & B B Q " "2 QA 2Q 2Q ( Q p J $"O ," \" [ & k g K $"O . 2* '( + ! $CA & 2# .2# B 67 $CA # &$ (1 " Q , P $"O ," , *tK 2* $"O ," ( .( / Full Duplex 1 Half Duplex .` = s" P ! ( H C &1 4 ; ( 1 ( ( Q 1 Q! $CAQ 0 8# $"O ," -! H C .` = & n1 T H * $CA & '( + ! L# L 1 2G : ( Presentation) 4 _[ B( 1) ( $Q+ E1 $"O ," . ( 5 $ 1( ( 1 ! ( . / ) 4 _[ Y` R 1 %6" / H G # ^ 4 _[ . * %A` R $ 4 _[ $9 1 4 _[ ) .! L"( ( ( R $ ( Protocol ) ( ( R $"O ," 4 ; $"O ," ( L"( = .( ( '2% " J5& ^ % " 4 _[ "2A .2 $"O ," ( H_ QT Q AR & 6k Q QL"( i" E1 & ' L " 1( , ( ( c_ T 1 U" K# $7+; Z dT : ( Application ) Q Q!1B & # $ ( "& L # $CA Q _[ .( ( $"O ," ( L"( B Q%C# ." "2Q R $"O ," ( T ! ..! $"O $ G p J 1B $ # ^ %6" / H G # $ Z [ A -! 1 $"O ," 0 F H G # . ( ( '( + ! ( 4 2T .( 5 4 Q; $Q"O ," 4 # C -! ^ 1 Q! Q" / Q $Q # ^ ! B / -T 1 C #1 C` . F ^ 1 ! .*" F ALI REZAEI ST.NO. 81035943 7 : Servers Work Stations Net Work Interface Cards Communication System +6"7' /012 4%&5% '2* ( h"1 ! 'L " ( $CA % ) $CA 8# [A ( ! : ( Servers) $ h"1 ! " $k :2 Q9 H Q= ( ( Q Q/ . ! 4 # C & Q !.( bL e $Q $ B 0 Q8# Q $ $CA B 0&O "& Q " 2# .! ( R , / 0 #& K R R 2= 1 2# qT $ .! $CA ," .2 .%& ! / " / . ! & .! 4 A '2* ( h"1 ! $CA T! " 6 .` = ( .$CA B "1 q T $ # hard disk AR & ( T $ 6 "/ A*9 4 # C 1 .2 ( " ! ! 1 0&O v : Fail server '2* ( h"1 ! ` " dT LF 1 .( ( '2% ! !( ' 7# 4 <# 1 ." "2 %* .! 9 H = ( Fail server 1 LF , b5 e $ " "2 4 6K $ .! $ # " ' L !( : Print server Q ( QT hard disk , Q b5 e Q $ . 6 R $ .! Q Q T ( Q%#) 1 Q 4 6K 0 8# 1 Multi tasking .( Z QA _[ %6R %C# '( + Q! 0 QL* ( 1 2* Q 0&O Q $ # " ' L !( : Data base server _ % 1 ( ( $CA B '2* ( h"1 ! ," . 2 ( ' L " ( I& ( F & R K R %#) & (N K 0 8# Data base server ( L"( .K R 1 4 2QT $Q .Q! .2* , $CA & n T $Q # Q" ' L Q!( : Communication server ' L !( 1 $CA B $ " .2 1C $ : ( Work Stations) ( $ 5 ^ 2** '( + ! B) e J 4 # C & 1 2* (( R L"( ' L " !! $ J . 2# T( " 'L " $CA " $ $ 2* O N ; Work Stations .! ," $CA 'L " " / . !4#C B K# $ / 5 <# ( 4 # C , b5 e ALI REZAEI ST.NO. 81035943 8 H* 1 $CA 'L " , !! w / ," ^ 2* ( 0 8# I& ( F 2*# 1 2* 2*K .2 ( $ CJ : ( Net Work Interface Cards ) & L"( C" 2# ( '2% Z dT ( 4 _[ / H* 1 ! "/1 'L " 1 [A !, ZA ('L " : [A ! T! CJ ( . ( ( '2% $CA i6 x 9 , ZA $3( R $+ E1 .! 0&O [ A 4( R 6; $+ E1 ..! 4 _[ H ! Y! * B & p J $CA ( i" E1 .2** 4 _[ H ! $ 0 2R A! * B & ( $CA : 2# ( .` T( "& Topology " 2*AK [ A -T $ . $CA B1 ( ' L !( H !2* C & .! 4 A !( ' 7# ZA H# 2*AK : Topology " 2*AK : & 2* A y" Bus '2 J L"( ' L !( $ ' L !( 1( & ( "& Y '( ( & R " $$ 1 $ ' L !( " \" [ & " \" [ & $ R L"( $ .! ," !" %` #$%$& 2*AK ," ( R( " -! ," $ .2# " . .! B) ' L !( Z A F.( ' L !( & ! ," Y $CA '( + ! ZA 1$/"HG# B & .K R 1 Y # & 5 .2 ." G n J 2" A# = I1 ," L"( {| & & .! ./ " ( 'L " $6 2 (z .! '2** ." G " ( `C '5 H [ I1 ," ( .( ( 2* T .!( & " $ Repeater ' L !( $6 !1 $ ( {| & U H [ C ALI REZAEI ST.NO. 81035943 9 Ring 41 + ," 1 '( ," .! ," ( L"( ' L !( $ ' L !( " ( %* ' L !( -! " ..! ./ " ( ..! O "& 0 F H ! . 2* R( ( / R ' L " ( 2P B( " $CA $ '( #$%$& 2*AK ," ( ( &) ! 1( $ dT 2*AK 2*# $# .= G6= 2*AK H C ( $ $" K ' L !( , `1 -! " 1 B( $/ a $ ! ( %#) j T " ! ! ." . ( 5 K# 4 ; 5( ! $ $CA Signal C Star CENTRAL " & .( ( ,+6 ' L !( [A "$ ( TqT( "& . A . !1 \" [ & ' L !( ' ! 2*AK .( ) #$%$& 2*AK ," ( $ HUB " ! 2*AK $ $C*" Y" P & 1 ..! %#) O 7 j # .` %! I1 ," ..! ( "& B) $*" Hub C ALI REZAEI ST.NO. 81035943 10 : 'L " H# " T ( 2# %* *P B & 56 7 89 !X .: ( $ 8#) & $ ( [A " ( [ A H # $CA ( $CA " 42 $ 'L " & " ." " p J B # R 1 I1 & '( + ! $ n = .! ,CK $<7` ! !( ! $ y" " (.2 $ ( $CA L"( c [ & 1 2 01 ` 2* I1 ," " -T . .! g 7 H G # - 7 $ H G # . ! $CA $ ! !( 2 I1 -T , b5 e ( ! ! UG# 2# P %* ( $ # } " "& . # ! . ! U8*! . ) B/S Y = 4 _[ : & 2* A % 1 .2 (U 4 _[ H G # } . ! 2# : $ L !( & "& K 1( & 1 '( [ A - 7 ( NKk ( ( Token ) . _ 0 # $ q T ( Pocket ) $ C" 2# 2* ./ " ( Token $ L !( $ I1 ," ( : 2 ( 0 8# .! Z A H = ( L"( ' L !( " ' L !( $C B) 1 '( 2P ' L !( $ ;( n T -T & Token 2" 2 2 .2* H ! 0 FH! $ 2P ' L !( $ Token N(28 2" '2* ! / ' L !( ^ H ! $K T & hF 2* -T ( 1 ( T 0 F h ! -T ( 1 ;( B) '( L !( $ 0 # $ I1 ," R ,* F ( ^.! ~ .! ," (Token) . _ g () 2" %* 2 A# 0 F H ! $ " ' L !( $C ! ," " & .2 ! 2 T ' L !( .2 [ & hF NK = $ .! ," ( I1 ," ." . 2* H ! $ 0 FH! . #p J B & AT ( T 2P ' L !( g () & 2" Carrier Sense Multiple Access •6 w $CA 4 " ( B( ) $CA .A7; I1 $ $ A 2 CSMA/CD B) i+ $ L"( ( / $ ( ," ' 5 2* ! ," (. 2* .2 ,€Kd B( ( I 5 2" 2* .A7; 2 T 8# ( 67 1 $" 8 -T ` I1 ," ( hF . 2* .A; $ 0 2R h ! 1 . # .7A; H = ( 4 ; $ .! '2 Y # ` T & hF 2 F $<7` I1 ," " T( ($ ( F'L " 1( ' 5 $ (H! " ( $CA 4 0 F H ! $ 0 2R -T B2 Collision Detect i+ ( 91 $ Collision " ( T '2"2F 2** H ! -T ( % # ( CD c = 1( .2 ) 2 T ALI REZAEI ST.NO. 81035943 11 ($ B( -" 0 F ," ( H ! -T ( Jam 0 # $ ! 7 0 F ( 5 4 ; ( T D6d ( T & A; /( ! ," ( / 1 5( ! ..!O ' L " $ 6 -T ( B & '& 2# $ !" B2 " ! ! ." . 2** G 2# $ ( . "$ '5 m `1 fd! (T L !( 1( h ! 2* ` T 4 ; ( h ! 1 2** (j T " 0 F H ! $ 0 2R -T B) '2K H C 1 .! ( : [A H# & <* $CA %$& (ZA y" %d 7 . .! $CA 9 '2* ( Z A C" / - 7 : & 2* A : !"# !"$ '2 '2 .+9 ," & '2 '2 QQQ ! ^ Z AQ CJ m ` *C ( [ A -QQ 7 ," $ " #U " 1 2# QQ5 ;= K"2QQR 1 ," H KP 1 ," QQ B & ( I F1 QQ ! $ " T( ( / ( 2QQQP 2# '2QQ '2 ! $ K8 5 . 2* # 1(..Q! QQ ! 6 " T( .2* # , QQ* . 2*QQ ( QQQR C !_F c_S ^( '( ( ( Unshielded Twisted Pair ) UTP R K * `) c_S ( Shielded Twisted Pair) STP ALI REZAEI ST.NO. 81035943 12 : !( ! ! ; < : 7 # ! : &$68 . 95 " !1 & ; = .2* $9 ' L !( HC .2* : ;:% + ; ' & (! # $ 3 ! %: <' = >" '% ? @ l # ," "( # ( ( 9 C" / T ! .6 $ T 2 ," / [ *] 1 C` 4 P 1 - 7 " # ^ - 7 ," ( C6K 2# " C"( # & J NA #.* ^ C" C` 4 1( 1 .( ( 8" " " 1 .*!1 6/ • O A}( = .! ,CK %6 ( <# ," & STP l # : 90$A0B% ( r ," .( %# ($ i Pv ! T ( ( C" C` H *L ! 0&O 2= & .2# K 0F dT ( 2* C"# *")D+ H [ B2 ( "& = % `Fl+ 11 0 p J H = ( -T L"( " ' L !( 1 ( :; CJ r " %#& T^ K * `) c_S 1 L"2C" '2 '2 ," ^ 2** h# ( 8" # &. } / ."(127 Y9 ." %# ( 1 '2 0 F = $ 98E : >"F : ! 1( U" / ] 1 B2 ,%F .( " ! K . 1 G ' K $ %#& T ," .2* ( % `F0 / (Cross talk) 9$%6 2 .+9 , STP %6 [ *] 1 C" C` ( ( ," . 2* G` & ; = T 2 ^ 9 T C" C` l # ," # T2 " T( .2 ( B & .K R .6 $ H G # - 7 l # ," & '( + ! (127 ..! y" z '1_ ! J (127 H [ ( ^ % "(127 ," ( 91 ^ Y # # !) 1 ALI REZAEI ST.NO. 81035943 13 (Coaxial Cable ) $6; / ..! $ / 5 (12= ) O r R `T h# 6/ $ # ! /( %# " T ( ( $ .! e& # ` + F \" " / ( '( + ! . 6 R .2* m ` *C ( '( + ! ( %6 ( ( %) * " R( ," L5 ," ^ .! '2 $# ! 1 #1 ( ( , ," $ '2 " # $ .A # . * '1_ $ ^ O .2** 2 F 4 $ .2 B) ( $ / (( # 51 ..! CJ '2 '2 = %#) QJ 1 $ ! & %6 ," Y # 4 6K 1 H , " ( h# Y= 1 &^ ^ G( H G # Z dT , # R ^ %6 DdQQG fd! ( QQP .!( $ ( . 2* # "'5 %# $ ( T / , / O .6 , # R ," \A[ ) .QQ 1 G "^ C C" / 4 )) $ J .1G . 1 G ," .2") J 1G $ K# hCP* -T ( Characteristic Impedance) ^ $ .! ," ( 2G ," . K ( ^ -T ( '2 '( ! / C" C` z g CP# ^ -T R S H G # - 7 1 2* % # 1( `( ," $ . 1 G ," .( %# 0 F^( (4 *" %* I $ S ( .( T 2 ^ .! H ! H = ( $ (12 ^ $ J .1G 2P 0 F '2 hCP* 0 F 1 2 ( .2 2 T '( + ! 1 G -! ^ 7 .2* # Terminator N=_d; ALI REZAEI ST.NO. 81035943 14 & 6 `( $ ' 5 .( ( L .2* B) DdG fd! ( P $ ] K 41 + $ J 6 $ J 41 G ^ 2 $ +5 $ d# K .K R ," ( $ J . 1G ^2 " C DdG fd! ^ 2= & U B2 T " 1 B2 '( J/ AR $PdR 2*# .K R ," 1 '2 ~ ALI REZAEI ST.NO. 81035943 15 ( Optical Fiber Cable ) '( + ! .6 $ %6 ^ ( "& # A/ B 1 2** H] 2# ," .2# ( *%F .6 $ ^ 2* ," K 9 ^ 2* . 2* 7 , %6 ` #) K B&1 K# 2"2% 4 %9 & - B12 (^( $ & # A/ 8 .$/ - 7 " # <# & ^ C" C` B " 9 #& '1_ .2* ( 0 8# H 8"( Z A 2*# 1( ; / B 6/ %#) 5(& ‚#& 1 5( ! / 2* # c_S " ($ .2# 5 # m 4 C 6 !1 2*# c + h*9 # A / $ 6 2* & R C !_F c_S "& &# $6 & % ," $^ %6 6 / ! 2* 1 $ K8 .2# '2 $ T ! ^ 2# ( : 2# G R 41 + . C j a # A/ " ( ^ 2# '2 $/ a C # C 4 2R U" / 6; $ !( $! $ Step- index Multimode Grade-index Multimode Signal-Mode L"( l # & U 1 2* , " F . + 1 # & .K R .2# 5 ( Step- index Multimode $CA ( %6 # A/ R '( + ! ( ALI REZAEI ST.NO. 81035943 16 y" 2 $ A# 9 fd! & c + - 7 . C Y" a Grade-index Multimode # 6 U & c+ -7 .2* ( "& 2# *%F .( 5 # ' "( 1 [ *7* 6 ,* ( .( " k9 %6 U& %6 ( # $C6 ^ ( 5 K# 4 ; e& # %6 ," .2* ( 1 '( .K R B 5 Signal-Mode 4; ! $ %#) 1 4O # ( "( $6 !1 $ 0 8# 1 2* ` ( "( C" C` " 1 ( Light Emitting Diode) LED %` *L ! "2A $+ E1 ( "( ," .( 5 PIN ( "( $6 !1 $ " ( H *L ! H ! # H *L ! $ 0 8# ( Injection Laser Diode) ILD .( C" C` # H *L ! -T L"( c [ ( . 2# ( '2% "2A C" C` k_ $ %` *L ! $ "2A N(28 "2A ." G k $C # k_ C" C` ;( $ (28 1 '2 ." G ^ '2 H *L ! $ B "2A B12 ," ^ ( = # k_ 2" '2 i Pa k_ ." G .2 $ T ! 2* # H *L ! $ # # '2** ." G ƒƒ| H ! ( .2# A/ 1 PJ# 4O .. # ( ( 8" ( ( 9 $CA `) '2" H G # - 7 ALI REZAEI ST.NO. 81035943 17 $ L# L ' 1 $CA $ i6 % K R 0 8# . 2** ( *# R ( B 52** 2 ` } B 52** 2 ` 4O * $ .! % 1 ." $ [A - a1 % 1 & ZA L"( ," .2* $CA $ Z Y9 $ ! !( = " $ K8 $CA ( ( R = / 0 #1 0 6 ZA (( R K "1 '( ( R ," ( 91 .( 7$ ( K R 0 8# / . ! 4 1( 2*" / i6 " 01 ( CJ ( 8" B12 2# '2 $ T ! q : Ethernet ! I1 1 & 'L " .( ( ( R ," .( " $ Ethernet 2*AK & ( ! $"b] $CA .( RG-8 RG-68 1507 $ 6; " ( . 2* OSI H2 C" / $"O ( ( ( R ," !( " \" [ L# L -7 "& dR 7 e& # 7 ' L " $6 !1 $ $CA $ $ Transceiver pJ *P ," $ .! H P/ S [ A " 1 '2** H * 'L " , ZA 1 10Mb/S 4 _[ H G # . ! . ( '( + ! CSMA/CD -T $ K# p J ( ( R ," ( H G # - 7 1 2* 507 $ 507 $ J .1G B1 C $ / 5 <# ( Ethernet ( ( R J .1G J .1G ( |1 1 ' K ) '2 '2 # A/ ! | 1 || dR ALI REZAEI ST.NO. 81035943 18 : IEEE802.3 !( . 2* CSMA/CD I1 & Ethernet 2*# 1 .! Ethernet $ $ A Data Link $"O & :( MAC LLC K R 1 C" / $"O ( ( ( R ," . 2* 01 ( ( R ," '( + ! [ A -T $ G LLC 1 MAC $"O 1( $ ( ( R ," ( Data Link $"O Media Access Control Logical Link Control L# L 1 IEEE802.3 ( ( R ( MAC $"O : IEEE802.5 ' 7# .( ( Token Ring % 2$& Data Link $"O & MAC U 1 C" / $"O ( IEEE802.3 ( ( R 2*# .T ! 1 *$ 1C H .2* BC / 1 '2 <# $ ' ! .2# ! R 01 - IEEE802.2 $"O ( LLC $"O K ," 2* IBM . $ ! H G # - 7 .( E$ .! '( + ! . _ H G # I1 1 $G6= 2*AK & Token Ring ( $G6= l # & 'L " & ! 2*AK $ 5 . .! " 1$/ 5 7 L !( B1 ( 0&O 4 %8 L"( ' K $ $G6= "&. 2! " $6 !1 $ 2*AK 2*# Multi ) MAU 0 # $ MAU $ [ A -T R ( Station Access Unit 01 -3 ( Attached Resource Computer Network ) : ARCNET $ ^I ! 2# 5 .6 R ^ ! ," ( H G # - 7 .2* "bF c dP# .2 # A / " 1 ( 937) RG62 .2 $CA I B12 5 . 2# "& 'L " HUB 0 # $ $Z "$ Z ! "$ H P/ HUB .( " $6; / X 2= . (1 / $CA $ # 4O C D/ 1 %6 B $CA L"( " Y .2 'L " TCO/IP ALI REZAEI ST.NO. 81035943 '( + ! . _ H G # I1 Star 2*AK & 7 $CA 1 '2 ! ," ! ," ( HUB B @|| ( H_ T 01 -4 Arcnet B & .K R 1 j T " ' L !( $ 6 I1 / F Ethernet & 2P ! ," $ .! '2 r "& .! B !) Arcnet 29 $CA & 'L " 19 i+ ZA B) 0 # $ (( R ," Stanford ' LJ# ( ( Vinton cref ^ ƒƒ| $ ( " 1 ( .2 ( 8" 41 + "2 OSI H2 ( ( R ," .( %# * .! Transmission Control Protect / Internet Protocol ( ( R i6 (( R $CA , Z A 5 .( $T* 5 $ K8 B * $ , 1 1C [ A H2 "4 $CA , Z A 1 i6 [ A H2 $C#) & U TCP/IP '&1 , ( ( R ," % B * $ TCP/IP '&1 ^ .! 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