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 ^ .! '( OSI H2 2*# ( 1 2* $T* ( TCP/IP $ ^ OSI H2 & '( + ! I ..! H AR ( $"O ( ( ( R & OSI H2 & $CA $"O ( IP .2 ( $k fd! 1( ( .2* [ A 4 2T TCP/IP '( + ! IP -! '2 $k _[ 2A ' L " ( TCP G $ 4 2T & TCP DR 1 ( .2 " $ ( U" K# $"O 2# Segment 0 # $ 1 '2 & S) H G # $"O ( TCP 4 2T "$ %#) $ $ ^ 2* ./ " ( O $"O & $ 4 _[ $ Data gram N=_d; .2" / $"O \" [ & 1( 5 "& 4 _[ '( + ! ," .2** . 2* ^2* $CA $"O $ Z ," ./ " ( & hF IP .2* IP ( 4 _[ Data gram ," .2* # Segment 1 & 1 '2 n 0 8# hC K 2 G ' L " ( .2# G * 2 G ' L " ( $CA $"O $ ," "& ! Segment 4 4 _[ Data gram .( ( 8" R ZA .( .! ,CK $C6 ^ ( Data 2* $ B LK # L"2C" 2*# C" / $CA , Z A B C $ .! $CA $"O ( ( ( R IP 41 + $CA 1( $ \6P $"O ( ( 9 ( (( R 1 ' L " ( ( / ," & T! & G (( R R N KP O " IP ( Data gram IEEE802.3 ( ( Data Link 1 $ / 5 <# ( TCP/IP * K# [ +6 R '2# 5 ' L " 1 '2* ! / ' L " , . } Gd* 2 G $ 2A & H G # .2*! 2 G $ .! ( # Y " ( 91 02 .6 $ ^ 2# H ! 2 G $ 2A & Y L* . 2** .} $K A $ gram .! ,CK ^ %#) * Kv , *tK IP 4 ; TCP ( TCP Segment 2 G 2 G $ 0 F B2 ! & B * K[ ( 8" 1 2 ( K# 2 G $ 2A & 0 F B2 ! .( 5 ( ^ 4 _[ ," *Ka .2* Y 1 & 1 2* 2* .( .A} Segment ( '2 ./ " ( .! ( # Y .! ,CK $ " Segment H ! Y ; = B * K[ 2 G $ 0 F B2 ! & ^ 2 " 0 F ./ " ( ALI REZAEI ST.NO. 81035943 20 2 G $ B2 ! ," .(1 <# ( $CA / ( 6% Data gram 2** '( + ! TCP/IP & $ $CA & $ K8 5 69 "( , & ( J# ./ " ( L " $6 !1 $ Data gram .6% ," U" / 1 B ( 5 ! vG# & hF 5 .( ( ..! '2 $ / 5 Data gram ( 91 & ALI REZAEI ST.NO. 81035943 21 ( >+ ? c Q[ 0 Q# $CAQ Q" Q /. ! & # $ K8 ^ 2#2 ! B* $ 67 $CA & .( ( '2% $ File Server ( >+ ? "%K R / /0# Q & # $Q " L 9^ ( $# 1% L " ! ' K $ ^ $CA ! . 2#& ! .Q%9 0&O 4 2QT 1 .Q! $CAQ B Q Q/ 0 Q# ! ! U 1 67 $CA . 2* 2 $ k " Y6R File Server $CA # L" 2* ! ! 4 6K 0 8# !^HX B * $ 4 2T ./ " ( ! " $ .! /0# Q/ 0 Q# 7 File Server Q ( .Q # 1 ( Memory Management ) $Q</ = ." "2Q ^ $CA / 0 # ( 8" 2* Q .( J %6 .( 0#B ! & C" 1 $ # C*" q (Multitasking) ' ,Q" H1 ' . ( ( ( 91 ' 1( FILE Server $Q .Q! B) 01( ' 1 ^ ( .( .2# '2" 5 $ # UNIX , OS2 2*# ' Q '( + Q! UNIX 01( = ' Microsoft 1 Banyan 2*# ^ File Server 9 OS2 / 0 # B 52** 2 ` & T ! .7 Microsoft H LAN Manager 1 2Q* Q ! & ^ Banyan . Q & Vines Vines & $Q .Q! Unix $Q ^ '( Q ) Q $Q Q Q Q Q! Q! 1 Q ! 1 Q $CAQ Q" & '( + ! ." . 2*C (9 ( "2Q Q/ 0 # " Banyan . /0# 2*# H 7 Vines B* = ( ' % , = 7# $ ^ $ # ^ $ .! ," $CA . 2# 5 R $CA / 0 # '( + ! ( ! ," 4 # C ALI REZAEI ST.NO. 81035943 22 Q ( Q Q %K Q ! Q Z QA B QC ^ ' L Q" ! " (.( 0#B K & 2# ^( . .! $CA I1 / F Q" 4 Q# C Q"( ( R B( b5 e $ B C Vines ^ Vines " & / T( 0 Q# $CA 4 # C 1 ^ SNA 1TCP/IP (( R $CA ( 1 ,+6 -T \" [ & $ / 0 # & C" B * Vines . 2* '( + ! $CA Netware Q" 2 ` $Q .Q! 6 Q " Q 1 . Q! Q R iQ6 c Q Q . ," . .! Novell . (^ Q! & Netware Q 1 $ "# "% 6 R T " ! . "& ( ^ .! '( ! ^ $CA Q! / 0 # ," # $CA q ! ," . .! J ( ^ .! x 9 $ ^$ ( ( "2A K 1/F /0# Q ! Netware $Q Q8#) & ( ( f 9 Q Q/ . Q! $Q JQ Q/ . Q! Q/ 0 Q# Q" $ Q 2Q*AK Q ^ $CAQ !X . .! Q H) '2Q" Netware $ Q" ( Q8" ^ $CAQ C"( # .6 $ ^ .! '2 $ (File Allocation Table ) 3@ + : A %; # Q 2# 2Q%L# Q/ Q9 OQ Q8 "( ( 4 _[ ," 1 .! B Q"( ( Q & 1( & '2 e J 4 _[ 5 69 1 = $CA "( ( !2 ! $( %3 $ 8#) & 2*K & ! .2* 1( ," .2* 2# .2* L"( / A& , / .!( & .6 $ 4 _[ , / .!( & dT & Q"( ( Q 1( ( 4 Q _[ Q 1B K d, & C" 1 Netware QL"( Q7 ( FAT & Q Q" ^ ( file Allocation Table) FAT "( ( R '( + ! ( 2Q%L# B C STF Netware # 4 6K 1 '( B C" _ !( B C ," .( 5 1 Q ( Q9 4 _[ ^ %C "( ( Q B Q* K[ .Q 6 R ( 9 4 _[ , / .!( & 4 ; ( .( " $CA $ Hot Fix Redirection 7 4 Q _[ Q e Q6 Hot Fix 0 Q# $Q ? 2& B ! !( 1 e6 .2 " # , .! C5 * D Q 7 $ * .2# T #) ^ "( ( . (( " # & hF Netware # $ ," q L"( 7 ( 4 _[ 1 '( Q .( 5 Q69 K# $ Q"( ( # B) ( 7 ," g () ^ 2*C# .G d '2 $ ,KQa ( .2Q* fd! ( H C &1 .6 $ 4 _[ B2 j T & K ," hF ," & 1 '2 $ T * Bad Block B * $ w / 7 ALI REZAEI ST.NO. 81035943 23 "+ E # .! D & Netware .2Q* Q '( + Q! Q ! $</ = & 640 KB & %* Q 6K " Q# 2%L# 4 6K $ 6 .2 ( ( d $ DOS Disk Hashing , Disk Caching , Elevator F %E !S6 QK / Seeking . Pa1 H * Disk Hashing Q ,Q" .2Q* K$ Q '( + Q! $Q</ = 1 (Buffering) 4 _[ .R ! ," ,Ka ( . 2* 0 8# $</ = $CA B Q" $QC L* .2Q* Q 2%L# RAM ( "( 1 %6" / 7 $ Z "/ .( 5 4 _[ File Server " ./ " ( aG ( h"1 ! 1 '2Q 2Q F Ram ( . Q! $ " / ," 7 2 ! / File Server $ 0 8# . ! $ Disk Caching (Q& K QR . _[ Netware 2 ! + File Server $ QL"( .Q _[ ' Q5 2Q* 4 ; Ram & Q "( ( U" / $ 8 6" / ./ " ( aG aG $ "( ( "'5 "( & .K R !( B & "( ( 1 G * Ram $ _ .! " / ," $ Z ( h"1 ! ^ ( "( ( 2; & U ( 4 _[ $ " ,Q" $Q Z Q $Q Q8#) & .( 5 QK ,Q" ^ .Q! $Q # }1 C 2= ( Ram ( 1 $ # } 6 2= ( Q , Q # 4 Q 6K 0 Q8# ,Q" ..! "bF B C '1_ . 2 ( L"( File Server " L 9 . ! ( h"1 ! , = ( ^ Elevator Seeking Q '2Q#1 F B( hQF 2Q* 2 F H = ( # L" 2* " 2 * ~ / Elevator Seeking 0 %+ $ ( / ," ! 1 .! . ` R 7d $ 0 8# ( h"1 ! .( 5 %e( " (( 9 ( / 2F& " ( R "( # $ "( ( ^2 ( +G} '2#1 F & ..! ... 1 +G} ^ 2K7 ^ 7d Y H QA#( $Q ^ (( QL QA+` c1 Q= h"1 Q! ( Q ( .Q # ( h"1 Q! .Q/ " ( 2* "( ( 2 6P/ 7 Q% # ( 2QK7 '2Q#1 F H A#( $ $C#) & AR 7d '2#1 F B( Netware ../ 2 T 2K7 '2#1 F • ! $ h ! ..J5 2 T ^ ( ( , K N* ^ 2* Q $CA B ! .7 $ File Server " aG $ File Server $ 5 .2 ( $ C"( # ( 67 $ Z 0 8# . # & n T ALI REZAEI ST.NO. 81035943 24 DOS G ( .2 $# $CA ZA K# ^y" " 2" ( R $ ( R ^ 67 4 6K 0 8# %K ! 1 9 ' L " ( $ $CA .2 !, ($ 0 6 i6 DOS & B) '2** '( + ! ^ L"( %K ! & 'L " $ ( 2# ! / 0 #& 12 "# * ( 2" ^$CA ' L " '„"1 "( ( ! "9 ! " (^ ! '( + ! .7 2# / 0 # $ & # .6 $ ' L " H = , K R $8 # ( .2* y" c_T ! ," .2* .2* %K ! & C" .7 ^ Netware K# ^' L " ( ; T / $CA $CA 1 67 4 6K N ` .! ,CK ' L " B (Resident) 52# $</ = ( 2" $ # ," ^2 ( 0 8# / 0 #& $ K8 & '( + ! 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G " ! ! $ !( ^ $CA " / , / .!( & " 1 4 _[ A , / .!( & r 2# # C 1 % 1 .` = ," &1 & '2#1 F ( ( 9 4 _[ $ ! !( ( L* K ( 8" $CA 4 # C " ! $ e J g !( ( L* K ( 8" (lock) +R I1 Semaphore I1 -B ALI REZAEI ST.NO. 81035943 25 ( Lock ) D= I ( 4" 7 $ e J ( ( ( .( .` T( B) !& 2# $# ( " "1 "/ 0_ $ # $ ( ! !( ( L* K ( 8" "$ 2 $ +R $[ $# ( $CA I1 ," ( .(1 " "/$ 2 T ," 2 '2 $ # ," 1 '2 0 8# ! -! $ .! $( !& 2 1 ^ +R I1 " "1 "/ " $ ( ! !( S # " K& "# " " / 5 .2* !c [& $# T( +R L"( $ # -! $ # ," .! T ( b5 +R 4 ; ," $ ^( 2 ! .( ( +R $ 2 T L"( $ # $C*" & B * K[ L"( .! T ( H ! B " F ( .( ( 2 T $ ( ( T +R & +6 l # .! ,CK $CA " .2 ( R $# .2* '( + ! +R l # & vP " 1 :! $%& ! #K 4 L ( D= ! @J (Logical) Gd* 1 (Physical) C" / +R (NO Wait) A; B12 1 (Wait) A; (Exclusive) ," (.2* a G 7# A; B12 .( C" / +R '( ( 7a 7# 1 (Shareable) e !& $ # 2* $ !( ," & '5& ." $# ( h" # $ # G (K $9 \" [ & %* +* j 9 K ! ,* +R ] (.2 ( L* K B) ( 1 $ ( aG ($ # 5 AT $A*9 -G/ $ .! " R ( +R +R ( .K R >+$ 6+R Gd* D= +R " .! ,CK H X B * $ = +R l # ," & '( + ! 4 ; ( .( 4 _[ $ . # <* .2* 2T ( [ $ # ( ( $+ E1 ! ^ C" / +R I1 ( 02 4 ; ( ML % = 4 ; ," M $ 3@D= +R I1 ( B) 1 2* 2 F ! !( <# ( ( T 4 _[ $ ! !( & ^ ( .2* 5 69 _K ^ '2 .( 2# ( 91 $ # b5 +R B( A# \/ 4 ; ( $ 2* +R 4 _[ $ T2 B C $ # $# " -! !( & +R ." $8 # .2! ..! '2 $ # l_[ $ +R $ # '( + ! ! c [ & P" ! +R .! T ( $8 # ^ A; B12 B * 1 '( g !( ( <# ( +R 4 _[ $ .! L"( $ # -! 4 _[ $ .! *P ," $ .AX ( .. # g !( ( B * 1 .! '2 ALI REZAEI ST.NO. 81035943 *P ," $ +* $8 # 26 4 _[ $ 2 ( l_[ c[ B & (.2 ( $ !2 l_[ $ # $ $ " 1 2* '2 +R C L"( ( T .! T ( .AX $8 # H -! +R $ # <# ( = 2" $ # I 1 , " .. # g !( ( <# ( +R I1 ( " `C T ! 4 _[ 5 ^ A; '( + ! B & X 2= $ S ( .2* ( ( .` = ( <* .AX $8 # 1 2* 4 _[ h ! '( K# A; +R B2 K# ( 8" / 0 #& A; =$ R D= +R I1 ," & '( + ! ^ .! H AR _[ B( R 1 p J ^ 4 _[ & $ # +R < # ( % 2 $ # R T( " .! ,CK 4 ; ," I1 1( ," & . 2* a G A .2# K R ^ .! '2 / 0 # ," ( .2* ( +R $ ( '( ( h" # $ # $ B C ," . .! 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I& d 2# R$ # : T (B K " $ # ( 2P X 2= .( 2 TH * $ $CA 4 # C & C" 5 H X B * $ # I1 ," ( (2 ( Semaphore) a G 2* '( + ! $CA 4 # C & 2 T B C ," B( ( QQ T ( <# ( QQ B C ^ 2QQQQQQ ; ( .( .2* .QQQAX T ( ( QQQ ( ^ ( Semaphore) 2G g ! +; ( Semaphore) 2G $C ( Semaphore) & 2QQQQ= 1 2" $ # 1 . # g !( A; ( Semaphore) 2G B2QQ .AX ALI REZAEI ST.NO. 81035943 27 $ 2= 1 " B2 '(1 / rQQ ," ^ 2* 0_ QQQ !$ .( ( Semaphore) B( Q ( Semaphore) 2QQG O* P Deadlock & w/ $ K8 $# & # 7# B( +R < # ( 1 '( "M 12 $ ( $ (R 2# +R $ n = ( T +R ( T L"( $# & $ ( .%9 $ # 1( .! ,CK ( 4 _[ ," & J " 4 _[ & 1 ^2* J & #( & 5 .2* ( L"( U B( 1 ( 2* $ ( 4 _[ b5 1 $ .A # .2 " T ($ # " M ^ 2*C# 0 2R L"( $ # $ 4 _[ .` = ," .( $( KP $ # 1( & U 1 Record1 $ # 1( & & #( 1 '( A# $ # 1( p "& ( 1( 2" ; = Deadlock .` = 0 # $ '2#1 F " M ^ 2** K B( $ # 1( 2 * ~ / H X B * $ 5 . 2** 5 69 +R Record2 $ 2# I1 .2" K# <# ( K# " +R Record2 01( $ # 1 Record1 H1 $ # +R ( $ # " 5 ^ $ .! ," .` = ," & +R $ .2 ) 2 T ( 91 $ Deadlock .` = 1 2* ( $ ( ( T 4 _[ 4 _[ B( K# +R $ 0 2R (28 h ! 1 2* ( &) .! '( $ K8 2 $ # ( .2* (; .( " ^ $ .! ," ( ( $ K8 K B2 +R R$ # _[ K ^ ( A# \/ ( T ! ($ & #( L"( I1 4 _[ T ( Netware b5 . _ +R 4 _[ a G B " F ( 1 '( K# $ b5 +R M . G/ 02 4 ; ( 1 2# '2 K . G/ 4 ; Transaction Tracking ^ %6" / , Z A .6 $ . 2 '2 CJ i6 L"( HC " / & .! ,CK ]r .2* # 1 '2 ) ( &1 $ 4 _[ & 1 '( A# B * K[ ( &1 $ i6 R K R^( ( Transaction ," $ .2# '2# ! 91 T 4 _[ Y %6" / ( 4 _[ .2#( 5 .( K " ^ 2* 2# _[ "/ "$ .2* '( + ! Transaction Tracking & $ # " ! "( " ] %6" / L* $K B K B( 1) ( &1 2*" / .( %6" / 4 " 7 ( Transaction " 0 8# , = $ # R $ `1 .` = $ & * L"( .K R I & 2R / K !( $ `1 .` = $ %6" / $ 6 ^ H C B2 ) ( 91 $ 4 ; ( "1 2*") $ `1 .` = $ %6" / .J5& 2*" / '2 # Automatic Rollback N=_d; ALI REZAEI ST.NO. 81035943 28 (Q) B) $ ! BO € <# & 1( 2*# ( K% G ( / 1 .! '( ..! :( = 5 ^B (B †2* †( .2 2 T ! 2P / ( 01( $T 1 .T ( F _[ ! " H * b` ^2 '2 ' T… $CA 4 _[ .! ,CK L"( c [ & ^2* ! ! $T 1( $ $CA *& $CA $ ( ! !( L# L 1 . =_; 2"2 ( C6K 1 4 # C H * $CA '( ( 1 $ " $ ( $ / ," ( L( i` $ '& 9 j T H1 $T 4 k 9 ! % #& 2 T ^.! '( <# ( 1 O N KP C" 0 # 5 .2! F 1& « ( # $ NK G # 0 #» ^( ( $CA " ^$CA $ '& 9 ( « 12GK` 1 $ ^2 $CA "$ (1 1 0 L* Netware "2 -! '2 i" P T 1 4 # C $ 2"( .( ( L 0 #» $ $ 9 = 2" $CA A! * L"( 1 $CA <* 1 $ hF ," & ( % "2 -! ," $ " &8&1 0# # / ," $ ( ( .2 2 T '( ( $CA •" ^ (1 1 0 L* $ $CA "2 -! $ .! 0 # ^2 "$ ( ( <* ^ .! '2 ' PR 1 0 # Y! * PR 1 0 # ," 1 ( ..! '2 $ / 5 6 /0# "1 ( B , ZA " ," & . "& ( F ALI REZAEI ST.NO. 81035943 T $ $CA ..! 2 + ." ," 1 R ( 0 # Z A .2* $T* B '2 $CA ( 1 q T 2 Netware ( 9 $ ^ L"( B 5 69 2 ," ! $ " . =_; B12 ( / .! ,CK Y .2** '( + ! ^.! '2 / ," $ ( ( ..! '2 $ / 5 <# ( 2"2 29 (! . HK B ^B R $ !( ^2* ( 8" ! $CA & " ($ ( 2P ( ( ;T * & 8 1 4 6K .! 0&O $CA ! .( 2 T 2 + B 2* $ !( ," .2* 6K " 1 & # ( " " .( v %* ^( 4 ; $CA 0 8# $ " (( 2* $ !( ( / & ," ( .( ( 2* $ !( B C Netware $ (e 2 $ ( ^( ( / 1 ( 5 4 ; .R( $ 2" $91 L"2C" ^2* ( .2 $CA B $K «'1 5» 4 ; $ " " ! i" P eF 2* '1 5 ; = l_[ %#) 4 _[ ( 2" 2# 5 $ ( L"( '1 5 J x v .! ,CK '1 5 ( 8" 4 ;$ 4 ;$ ( ( 8" ' 1( 1 ( .2* "2 -! B $ '1 5 ," ..! Everyone '1 5 ^ % '1 5 ^ $ .! ," '1 5 ," . ; T .2 2 T '1 5 ," & %* 1( 5 ../ 5 2* T "2 -! '1 5 ," ' 5 R '1 5 ," ( 2"29 B v 0 # 1 '1 5 0 # & 2# ! ( (! * & .2# 2 .( ($ .( 1 # (1 "& 0 F $ $ A 0 # ," $ Z .2 2 T c1 = (password) A21 D6d ( c1 = f 7; A 2 1« 0 # B( 0 #» " 2" $CA $ (1 1 0 L* !( & '( + ! '5 * K# P! E $7+; 5 ( 1 " 1 Login $CA ( 1 1 $ Z A 2 b` ^2# 1 F ^2# 2# 5 69 $CA $ 1 (1 1 & ^2* •" -6S ( T A 2 " 1 0 # ^ A 2 & ^(1 1 0 L* .! ,CK 2* B 0 # 1 A 2 .( $CA ( 1 0 # 2* A 2 1( 1 ^(1 1 0 L* .2 2 T '2"( U" K# $7+; Access to server denied You are attached to server SINASOFT. 1( '2 ! F A 2 1 & ^2 A# '2 $ T * $CA .( $CA ( ") $CA 1 0#12 $ ( (1 1 ( P! = " (1 1 .2 ( $CA .( '2J# $ ( 5 Fh! "& ( L"( 2 T ./ " ( O 0 F $ J ' 7# 01 ` 4 ; ( ^j = ," $6 !1 $ $ .! "2 $6 ! 1 '( & w / j = .! 0&O $CA $ ALI REZAEI ST.NO. 81035943 30 ( % *& ! $6 !1 ," $ 1 .! $CA T( A 2 . * ‰+= \= ," ^ " 1 2 2 A8 B ( . :( ( '2* 2# J# DR 1 ( ^ ! ( .( ," A 2 2# .2 $ 2# $CA D6d 2 ," .( ( $CA $CA $CA H[ " A2 ." R $CA "2 "2 " "2 A2 2 Netware A 2 s" P '& 9 B B 2# A2 B .7; & "2 1( ( .( L %#) & .2* ~ 6 .` = ( .2* , ($ 0 6 B A 2 , ($ Y "2 4 ; A 2 . * U" / $ 2# A 2 2# & 8 H [ R 2= 2# 2# ^A2 $CA "A .2* # ," $ .2* p J A2 ` .( 2* T ^ H [ ," & J " 1 1 '( + ! 4 ; ( .2* 0 6 ^( $CA ( 1 6AR A2 '2 vG* s" P $ .2* , P « A (1 1» N=_d; B "2 1 ( / ," 6K A 2 s" P ,"2* 2# A2 6AR * A2 1( , B & 2# (1 1 .2* , P 2# $CA ( 2P ," 2# 2"29 A2 "2 ^ 01 ` 4 ; ( "2 ^B C ," & B& vG# & hF $CA "2 (Grace login) ( .` = ( $( 5K A8 %* $CA 01 ` 4 ; ( .2 , Netware .2* ( 1 2"29 A 2 ( .( ( '2% $ %#) & '( + ! 02 " '( + ! $ D9 .2 2 # * ! %: .( $CA ( 1 $ + & &1 (1 &1 $# A & <* ! R $ + &1 ( 2# ! $6 !1 $ N K ^'( + ! 4 ; ( ^w / 4 # C $ 6 T * ) 4 # C ," & '( + ! L# L " ( .` = ( 2# $CA "2 ," .2* (127 &1 $# A & &8 4 !B ; T 4 ! ( $CA & '( + ! $ H X B * $ ..! ( . ! # .R( & 8 4 ! .( K# i" P "& 4 ; $ % $A* &1 4 ! N KP O @/ | {/ | . ! & $A* i" P & 8 . ! B * $ , .! '2 Y # B) ( $CA .2 2 T 5 69 $CA $ (1 1 & / | {/ | . ! & $A* y*F &1 ( $ B &! 4 ! & n T 4 R1 ( .( ALI REZAEI ST.NO. 81035943 31 $9 "& 0 F $ $ A F 2 $ ( $AC $ (1 1 ( P! $ *K 4 ! ( 5 .2 2 T Attempting to login during an unauthorized time period . The supervisor has limits the time that you can login to this server. Access to server denied. You are attached to server SINASOFT. F ,2 $CA ( H= (,&8 B & vG# DR ( 1 '2 $CA ( 1 N AR _ .( 2 T ./ " ( >> SINASOFT CONNECTION TIME EXPIRED, PLEASE LOG OUT. 5 "& 0 F $ $ A 5 .( $CA 1 Z A $CA 2 T ./ " ( 0 F ," $ $ A ! , ( J# n T $CA & ,( $ $Z ," $ 1 2 '2 ! # Z A ( F , ( J# n T $CA & , $G R( A! * L# L >> SINASOFT CONNECTION TERMINATING IN 1 MINUTE. " . b5 & hF 5 2 T DdR b` .( ( 7 $ 'L " ( / ," 6 K H = ( $ # .! ,CK ( 1 $ 2; 4 _[ $ Y .2 2 .2 * ! %: '& 9 1 4 # C .( B) & $ L" q F,( [A %6" / $ 6 H = ," ( .( DdR 0 F $ 2" B .2** $9 w / T * ), $CA &8 4 !, P ( 1 $CA 1( (1 T$ 'L " & A2 1 2* " S " & 2# L B P! $CA " ( .` = ( ( 4 6K 0 8# 2# $CA "2 .( 2# , .! '2 $CA ( 1 0#$ " & '( + ! $ , $CA $ (1 1 , 0 F ," $ $ A $CA ( 1 & 8 & 2* 5 .2* (127 : ( 2 T ./ " ( Attempting to login from an unapproved station . The supervisor has limited the stations that you are allowed to login on. Access to server denied. You are attached server SINASOFT. ..! B ( T .K R ( ( 9 4 _[ B2 ( & ( ( 9 4 _[ . * ‰+= .( ALI REZAEI ST.NO. 81035943 $ ^ .K R ( "B B( $ T 2# (127 ^ & %#) ," ( "( ( '& 9 " vP ( ( "( 5 69 [ T $ ' L " & vP ," ( .( "( F_/ # ( '( ( ' L " B $ %* ' L !( ," 32 L >J A N * ! %: $K \" [ & 1 '2 $CA ( 1 ' L " ,"2* & $CA $ H H $B & <# & B 2# $CA "2 .2 "$ 0# " 2# " ( .` = ( 'L " "2 ^ B & $CA ;( 'L " & B K 4 ;$ $CA .2* , P ^ 2 $ (1 1 ( P! 1 2 $CA $ ^ & 8 ( 2P $ : 2 2 T $9 0 F ," $ $ A " 'L " & ^ F ^2 $( $C $CA $ B K 4 ; $ " ' L " ( 2P 2# ."(127 & '( + ! 4 ; ( .2* (127 ^ i6 4 ; $ %#) & 2# L"( ' L " & $CA Attempting to simultaneously login on too many work station. The supervisor limited the number of active connections you may have. Access to server denied. You Are Attached To Server SINASOFT. INTRUDER DETECTION / LOCKOUT p J ^ 2# ( $CA $ (1 1 ( P! $ ^ 2* ( 1 ' A qT0# j7 A 2 2# . =_; B12 ( / 2# "$ ` 2 " $CA ," '5 12 "2 5 .2 ( $( 4 P/( ( 2P 2" ," ^ ( J# \/ " $CA $ (1 1 ( P! ^ '2 , P 4 P/( ( 2P & U p A 2 B(& g2= H = ( <* [ $ =_; B12 ( / p ! 2# :( $CA .2* (127 ( / p J & hF $ 2* .` = ," ( .( "2 01 ` 4 ; ( .2 2 T j = . =_; B12 F E $7+; 1 0 F ," $ A ( ( '2 $CA $ (1 1 ( P! 1 0 # $ $ ) Intruder detection lockout has disabled this account. Access to server denied. You Are Attached To Server SINASOFT. $ .(& 2# B " 9 $ B) 2# $CA "2 %* 1 ( (12 $[ 2T 5 69 f 7; A 2 B( ( = 0 # ," ..! B " 9 $ (28 1 j = $CA \/ "2 1 2* $P9 S <* $CA (1 1 & R $CA "2 $ 2" $CA j = H = ," ( J 42 ( $( .(& 2# $CA "2 Y ," "2 $6 !1 $ B & 42 ," .2 2G ," 5 .2* , P .( (1 1 , / 5 '2"( # S 0&O B & 42 2# $ / 5 '2"( # 6AR \/ (1 1 $ 6 ^ ( bL \/ S (1 1 ," T) & B & ALI REZAEI ST.NO. 81035943 33 (R) ! ! 2* i6 $CA ( $ $C*" ( B ( "# Netware * 2 $ b5 / ," ( .( .2# & fd! $! ( %6" / 1 4 6K 0 8# .2** " (1 " ." v K .( J 1 2* ( $ & 8 .2* # K B &8 H * Netware :( 5 2= ( ^ & 8 ," Q ( Trustee Assignment) .2 4 6K .2 4 G6P & J ,PB ( AP $6 & 8 .2** ^K M ^ ( J# * vP 0 8# & 8 "^2 L"( 41 + ( J 2* " ." v "( ^J &8 ( AP &8 ( AP .( 2 K " / fd! ( 2 & .K R ," Q ( file attributes) " / $ .2* ,P qT "/ J J B) & v *& /( H* % !( 4; 2" i6 0 8# ( 1 4 6K 0 8# " # 1 4 # C 2 $CA ( 1 H* %1 $C*" & hF . "( &8 " ( .! ,CK J 2# &8 A 1 2** J & 8 '5 # $[ ^ ' 2 $ / 5 <# ( " & 8 J fd! ( & 8 ," Q ( Maximum Rights Mask) J ,P J " 0 8# 0 8# & 8 0&O " # & 8 ," \" [ & 1 '( 0 8# $ ( R " 1 4 6K 0 8# '& 9 ALI REZAEI ST.NO. 81035943 34 ( Trustee Assignment) $ # S $ ," & v " & 2*# ^ 2* ," ^ 2 'A H* '2 '( ( p 0 %+ 2" A# v $ 2# q T J fd! ( 4 6K 0 8# '& 9 $ ^ & 8 ," .2* "$ J " ( &8M .! ,CK .( 41 + L"( J .. # % "(12Q7 1 q T QJ A 2 2*# " ( 4 6K & 8 ," $ .! ," ." v T 0 8# 1 '& 9 1 2* Q & QQ8 ( ( % $ C# : 2** : & 2* A %6" / B( .! '2 & $ . ! '2 & $ "/ " ( ( 8" 0 L* B( `T J J ." v & 8 2# .2* ~ ^2 J "& 0 # .` + & 8 " " "/ ] " %6" / $ ($ ] ( %6" / . ` , / 5 ) J 6" / ( , " " B( J B( ( J (B & &8 #& 8 (Open) (Read) " ( " & 8 '5 2 $CA " 0 %+ 2 * $9 .2* # J ," v 1 4 ; ," ( ^ 2 4 G6P & $CA $ (1 1 ,P & 8 ," O R C S D P 6" / & B2# T & 8 & 1 ) ( 8" & 8 8 9& 8 eF& 8 ]&8 "! (Write) W (Create) (Search) (Delete) (Modify) M (Parental) ^ J .` + & 8 & 8 "12 ( & 8 ," &8M ) %A (J & C" .2 " ($ &8 & 8 ," & A . (J 2* ( "‚ " 2# ]4 QQJ Y "( "& 8 2 ( B J# [ ," ..! ( & 8 M ) ..! 41 + ( 2# & 8 J ," ( $ 1 .! [ROSWC] " ( user1 0 # $ L"( 1 .! [ .( 2# J ," ( & 8 user3 0 # $ ( $ 5 .. # J ," v user3 $CA ( 1( ," . PR 2# 2# ]& 8 $ 2* ~ / ^ HX B * $ ( J , K ( user2 .` = ," ( K user3 1 user2 J ," v user2 1 user1 B M 0 8# & 8 J ," ( .( ! 2P .K R ( $ ( ( " 41 + ALI REZAEI ST.NO. 81035943 35 2* ( 8" 2"29 " / (28 B( & "/, " J , " ( 2# ^2 C& 8 (J "( 5 (1 7 B2"( 1 & hF , *tK .( ( n = W & 8 $ " / ," ( 4 _[ & B( ..! 0&O R 1 O & 8 B) * T $ # S 7+ L ; '( ( [ROSWC] ." v i" P & 8 DIR_1 J " 9 ^ J ," ( $ 2 * ~ / .2 * $9 J "& $ 6 (^ .( 2 T & 8 ," SDIR_1A [ROSWC ] "& C $ (2 '2J# L"( 4 ; $ & 8 $ H = ," ( ..! '2 SDIR_1B [ROSWC ] SDIR_1 [ROSWC ] DIR_1 .( $ 2# ," '( ( & 8 <# ( J "& ( %* J "& ( ] $ 2" ." v " ( 6AR J J B) (J 5 .( J " ($ AR H X ( ( & 8 B( ( 0 L* Y ," $ i" P (28 & 8 J B) ( 2" ( .! [ "& & 8 ,/" B" 9 & 1 .a 5 69 & 8 2" 2 ( 0 8# '& 9 SDIR_1A J & 8 4 ; ," ( . .( 2 T [ 5 H X B * $ .2# "& 1 SDIR_1A J R& 8 M ]&8 J ," ( & 8 $ (1 & 8 , 2 A# J B 41 + w / H X "v p J , (. # J ," v ) ( 2# ALI REZAEI ST.NO. 81035943 36 ." v & 8 %* , .! J "v$ , ./ " 2 T B " 9 J "& ," $ 6AR J . . ( 2 T J ," ( ( T &$ 2 * ~ / .2 $ ( &8 6; User-1 2 T 1 $ User-1 &8( & 8 ,( L"( " ." v & 8 $6 2 ( &8 * '& 9 "$ * ( [ROS] (12! K #1 $ * "& H X $ " ( Ali ( Babak 1 & 8 12 2 T . " ( " & 8 2# '( ( '1 5 "$ $ " & 8 .2* '1 5 "v '1 5 B) , ( " 2*# '1 5 " '5 * " ( ..! '1 5 B) & 8 2*# N* .( '1 5 $ #S " ( User-2 1 I [ROSWC ] & 8 $6 ,( ( %* * '( ( User-2 * ( User-1 0 # $ DIR-1 J &8 '( ( User-1 * User-2 $ 5 .2 2 * $9 .2 2 T [ROSWC ] $ [ROS] User-3 $ O H X ( 5 N X 2* _ & 8 %* $C6 2 ! 2 :2 * $9 ..! [ROSWC] &8 * (J &8 ..! [ROS MP] ( USER-2 5 *P" , .! $/ [ .2 ! 2 T 1 $ .! User-2 ( T $ Z ..! USER-2 [ROSWC MP] .2 ! 2 &8 ( BABAK , ( '( ( ALI BABAK $ 5 # ALI $ P 1 M & 8 .2# 2 T R [ROSWC] B K ALI 2*# '1 5 ( ." v & 8 ," . 2 $(J * G * '1 5 B) x v $ 6 $ , ( "$ 1 . (2 T .2 2 T '1 5 B) v , ( (MAXIMUM RIGHTS MASK) , (! "2 .2** ,P J " (B 4 T A , 2** T %6" / B( .! '2 & $ . ! '2 & $ "/ ALI REZAEI ST.NO. 81035943 $ (S K J $6 & &8 #& 8 J fd! ( $ , & 8 ," ( 1 '( *X & 8 2*# (Open) (Read) .( ( 4 ," & $CA & 8 ," O R C : & 2* A ." v 6 " / & B2 # T & 8 6" / ( , & 1 ) ( 8" & 8 (Write) W (Create) " ( ( 8" 0 L* B( 37 ( %6" / . ` , / 5 ) J `T J J ." v & 8 2# .2* ~ ^2 J "& 0 # .` + & 8 " " "/ ] " %6" / $ ($ ] " " B( 8 9& 8 eF& 8 ]&8 "! (Search) (Delete) S D P J B( ( J (B (Modify) M (Parental ) ^ J .` + & 8 & 8 "12 ( ,J ( AP & 8 1 2* & 8 2* " A P J B) ( , ." v "Y •K " ( AP ,P J " 2" (B &8 ," $ .( .( KJ w/ " ( 8" 0 L* & 8 •K (127 ( AP A J .2 $ ( J ," ( w G= ," •K 2# &8B & ( AP &8 ) J ," ( A P & 8 B( cb= , J &8 K# 2 & 8 $ 8#) & .( ($ # cb= J & 8 & D& 8 2* ~ /HX B * $ " (B 6" / 2*# $6 # D ." v D& 8 1 &8 J "& # " ( AP = hF ," & , 2** ( 2# ( 91 J ," ( A P $ , ." v $[ & 8 (D& 8 J "& .2** e F ..! A 2R / J ," ( B & 8 c_T 1 2* " 4 G6P x 9 J 0 # 2*# , J .2** K 0 8# $ ( R M,J ( AP J '( ( R ( & 8 $ 6 ) [ROSSWCDMP] ( AP K# 2 F B " 9 J & 8 qT( &8 &&8 " cb= & hF $ 8#) & 9$ ,( 2 .2# (File Attribute) Netware # L" ! ( "/ .2** K " / 2= ( , Netware * + 567 2 & .K R ," J 567 J ,$ J ," " ( :& 2* A 4O = ," ..! $ (Normal) N ~ / UF 4 4 _[ .2* # , "/ " ( 8" 0 L* Netware R ^ 2# ( $ ! $ .! J ," $ ..! , $ 2* , e " %6" / ( 5 # 1 B2# T <# ( B) R 6" / , * B1 ( 567 ( 6" / 5 (Read Only) RO #) 2# K# .( 2# M 1 2*# " / ," 2*# %* B ,2 $ J ," &8$ L ," .2 " * B) ( " 1 2 ( ] #) 0 # , 2* e F ALI REZAEI ST.NO. 81035943 38 (Read Write) RW ^( $ # 2* / &8 ($ # $6 !1 $ 2# ,2 $ .( $ J ," .( $ b5 e $ J ," 567 ($ 6" / '( ( 0 # 6" / J eF "1( ( Shareable ) S 567 2* $6 !1 $ 2# 2 $ J ," ($ .(1 $ RO $ ( Modified ) M 567 & hF .2# .( n T Modified $ J J & %6" / $ 6 ( $ % B A JF $CA $ 6" / %6" / & $ 7 '5 B & ," 2 T 2 F Modified $ " / , " 2* 2 F ] 4 ; Execute Only ,* B( ($ 6" / .( $ COM 1 EXE $` A#( #& $ .2 2 T " %6" / 5 69 " / B( B %* R %* 2 NU, $ J ," $ J e F ^ " / T( ( , J ," & '( + ! 4 ; ( ..! 9 1 " / 0 # s" P ^ " / System NU, ! ( 0 # .2* '( + ! System $ ! 2# J " " / & ( T 6T ( K# EJ 0 8# " Netware 6" / , * B2"( $ 2; .( %6" / . ` ( " %6" / , * .2* H C ( Indexed ) I NU, ," & ^ 2* %6" / i6 $ !( ." L %`129 ( &U "/ .( K8= " i6 ( "& 2# ($ " %6" / i6 "/ "/ " i6 " i6 %K R$ ! .( !( ( D" '( + ! $ J 2%L# " 4 PdR g () ^ $CA c ; B) g () , / " 4 ; ," ( 1 ( & '( + ! .( ( U" / %9 4 PdR ( 2P .2* 4 PdR $ !( . ! 2# ^ %! () & ! Y ( "& B & " / ," & $PdR R4 ;$ ( Hiden) H NU, .2 2 ," ( ] ( # & EJ " ( .2** %6" / . ` ( ( 4 '( + ! $ J ," .2 2 T $[ ALI REZAEI ST.NO. 81035943 ^2 /0# $ J ," ($ 6" / 0 # / 0#& J " %6" / & ( T ( H C &1 r $ 39 ," B " 9 ( B .! 0&O ^ 2 * '( + ! !.* %6" / $ J & 2 " ( <# ( 5 .2 ( R ( Effective Rights) V DR 1 ( .2* \" [ & $ .! ,CK $ L"( 4 A $ . J -! B A $ " 0 8# " & 8^1 1 '& 9 '2** , P ( / ." v K (^ J J "( "( "} $ #S &8 " &8 & 8 l K8 & 2* A #2 '( " & 8 ..! '2 ! 1 $ '1 5 \" [ & $ .(1 / l K8 ," $ 2" ( AP 1 ." v &8 Gd* j a & 2* A " & 8 1 .! '2 ! 1 $ . * 2 F B " 9 J ," $ 6AR J J .2 "( "( '2 2 " J "} "} ( AP J \" [ & &8 &8 &8 & 8 & $ !( B) & 2* A † * P Bindary ," ..! 1 2# ] R $CA (B ( 6 `( $ "2 -! $ $CA . * $ Z ." v &8^ ( 4 _[ & .! 4 A Bindary ( J ( ( AP "0# " A2 " J ( AP &8 &8 _[ 1= &8 2%L# NET$BVAL.SYS 1 NET$BIND.SYS " / 1( ( 4 _[ '1 5 ^ B #) A 2 1 B ( ..! ... 1 i; ^ K# '2#1 F ," $ " / 1( ," .2# J^J HC .2 2 T '2 J $CA .( ( ] " ( cb= B K# K# K# .( ( ] B .( ( ] B .( ( ] B .( ( $+R1 & %6" / ," & B A JF $ % 2" $CA 2 $ # ," .( 0 8# B) 1 Y $CA ( "& 4_CJ '( ( U" K# File Server 1 Bindary ( dT 0 F "2 Bindary ( ( 9 4 _[ B( g = `( $ .2* 5 69 $CA &1 4 ; ( %6" / Bindary ( H C '( + ! BINDFIX CK $ # & B & !& 4 6K h ! 1 '( .2# 5 RB n TB K = g !( & Bindary $ Z g !( ( (28 %6" / ," & ! & K B " F & hF . 2 ( i 6C "2 & ( K l1 & &T HC AR $CA ( 1 '( ( I 5 ( 6 `( $ $[ BINDFIX & ! & 4 6K , = ( .!( & H K = ^ ( ^ &!& ' L " Bindary & ! & , = ( 5 .2* " ( Bindary ( "& . K .6 $ .( ( ( 91 %6" / , / ALI REZAEI ST.NO. 81035943 40 1 NET$BIND.SYS .2* e F .OLD $Z %6" / ( 1 2* %6" / $ 2 T !( RB 9 $ % Bindary $ Z . 2* " / 1( & " BINDFIX 2%L# NET$BVAL.SYS K B( \/ 4 ; ( ( H C &1 4 ; ( Bindary & BINDFIX ^ & ! & B ^ &! & 9 R $CA K %6" / BINDREST .( 2# .2# ( 5& H1 4 ; $ g !( ( 1 ( "2 $6 !1 $ BINFIX !( ALI REZAEI ST.NO. 81035943 ...
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This note was uploaded on 10/04/2010 for the course ENGINEERIN 22453175 taught by Professor Heydari during the Spring '08 term at Punjab Engineering College.

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