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-
          -
          -
SERVERS   -
LAN HARDWARE -
                                                             PER IPHERALS -



                                                    SITE
                               PHYSICAL SITE
1-   WHATE IS THE MAX. DISTANCE BETWEEN WORKSTATION ?
2-   CAN YOU USE EXISTING CABLE ?
               1st- NO REQUIRMENT
               2nd- TELEPHONE WIRE TWISTED PAIR )
               3rd- 3270 CABLE ( RG-62 )
               4th- OTHER ( SPECIFY )
3-   WHATIS THE WORKSTATION DISTRIBUTION?
                1st- CLUSTERED
                2nd- DISTRBUTED .
4-   WHAT TYPES OF WORKSTATION WILL BE USED ?
      FUNCTION :
                1- HOW MANY WORKSTATION ?
                2- HOW MANY HOURS WILL EACH WORKSTATION BE IN USE?
                3- LIST EACH WORKSTATION APPLICATION
                       ( WORD PROCESSING ,DATA ENTRY , .......)
      PREFORMANCE :
                  1- WHAT IS THE DESIRED RESPONCE TIME ?
                  2- WHICH IS THE PRIMARY CONSIDERATION ?
                           1st- COST .
                           2nd- PREFORMANCE .



                                                     PHYSICAL SITE            
                             TOPOLOGY

           1- TWISTED PAIR SUPPORTS SHORT DISTANCE .
           2- COAXIAL SUPPORT LONG DISTANCE .
           3- FIBER OPTIC SUPPORT EXTREMELY LONG DISTANCE .
             TWISTED        COAXIAL FIBER ( EL

               VOICE
                                                                    VOICE




                                          -

                                                         TOPOLOGY
                                              BUS TOPOLOGY     CLUSTERED
STAR - WIREDRING
        STAR                                             STAR- WIRED RING
          HIGH SPEED CABBLE                                            TOPOLOGY
                                                                      FIBER OPTIC

                                               NET WARK FUNCTION                     




                                             EVALUATING OF NIC                       

                                                                 NIC

                       1-   BIT RAT
                       2-   ACCESS METHOD
                       3-   ON BOARD PROCESSOR
                       4-   NIC - TO HOST TRANSFER

                                                                         BIT RATE



                                  BIT RATE
               LOW BIT RATE                                       HIGH BIT RATE
                                                               LOW THROUGHPUT
               BIT RATE                                   THROUGHPUT
                                                         HTROUGHPUT
                                        ACCESS METHOD
   CSMA / CD       HIGH TRAFFIC                                  TOKEN PASSING

ON BOARD                                                   ON BOARD PROCESSOR
                                  FIRMWARE                           PROCESSOR

   WIDTH OF CURRENT TRANSFER BUSES
                                                                           -

1- SHARED MEMORY IS FASTEST
2- DIRECT MEMORY ACCESS DMA IS SLOWEST .
3- I/O PORT IS BETWEEN THEM .
                                                  EVALUATING SERVER                  
                                     SERVER
  NET                  NETWORK SERVER
                                                                       WORK SERVER
                  1-   PROCESSOR
                  2-   CLOCK CYCLE SPEED
                  3-   WAIT STATES ( PREFARED ZERO WAIT STATE )
                  4-   EXPANSION BUS
5- MEMORY (MAX)
                     6- BUS WIDTH ( 16- BIT WIDE BUS TWICE 8-BIT WIDE BUS )

                                                                                    


1-   SUPPORT FOR STANARDS ( E.G. TCP/IP )
2-   COST
3-   PREFORMANCE
4-   SECURITY
5-   FUNCTIONALITY
                                            LAN MANAGEMENT                          




                                        NETWORK SUPERVISOR                          




                                HOST - TO TERMINAL / SYSTEM



                                                               ADMINISTRATOR
                                                               SUPPER VISOR

                     MAPPING OUT THE NETWORK                                        

                                                                                -
                                                                                -
                                                                                -
                                                                                -
                                                                                -
                                                                 SERVER         -
                                                                                -
                                                             TOPOLOGY           -
                                                   SERVER                       -
                                                                               -




                                            0640
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الباب الخامس

  • 1. - - - SERVERS -
  • 2. LAN HARDWARE - PER IPHERALS - SITE PHYSICAL SITE 1- WHATE IS THE MAX. DISTANCE BETWEEN WORKSTATION ? 2- CAN YOU USE EXISTING CABLE ? 1st- NO REQUIRMENT 2nd- TELEPHONE WIRE TWISTED PAIR ) 3rd- 3270 CABLE ( RG-62 ) 4th- OTHER ( SPECIFY ) 3- WHATIS THE WORKSTATION DISTRIBUTION? 1st- CLUSTERED 2nd- DISTRBUTED . 4- WHAT TYPES OF WORKSTATION WILL BE USED ? FUNCTION : 1- HOW MANY WORKSTATION ? 2- HOW MANY HOURS WILL EACH WORKSTATION BE IN USE? 3- LIST EACH WORKSTATION APPLICATION ( WORD PROCESSING ,DATA ENTRY , .......) PREFORMANCE : 1- WHAT IS THE DESIRED RESPONCE TIME ? 2- WHICH IS THE PRIMARY CONSIDERATION ? 1st- COST . 2nd- PREFORMANCE . PHYSICAL SITE  TOPOLOGY 1- TWISTED PAIR SUPPORTS SHORT DISTANCE . 2- COAXIAL SUPPORT LONG DISTANCE . 3- FIBER OPTIC SUPPORT EXTREMELY LONG DISTANCE . TWISTED COAXIAL FIBER ( EL VOICE VOICE - TOPOLOGY BUS TOPOLOGY CLUSTERED
  • 3. STAR - WIREDRING STAR STAR- WIRED RING HIGH SPEED CABBLE TOPOLOGY FIBER OPTIC NET WARK FUNCTION  EVALUATING OF NIC  NIC 1- BIT RAT 2- ACCESS METHOD 3- ON BOARD PROCESSOR 4- NIC - TO HOST TRANSFER BIT RATE BIT RATE LOW BIT RATE HIGH BIT RATE LOW THROUGHPUT BIT RATE THROUGHPUT HTROUGHPUT ACCESS METHOD CSMA / CD HIGH TRAFFIC TOKEN PASSING ON BOARD ON BOARD PROCESSOR FIRMWARE PROCESSOR WIDTH OF CURRENT TRANSFER BUSES - 1- SHARED MEMORY IS FASTEST 2- DIRECT MEMORY ACCESS DMA IS SLOWEST . 3- I/O PORT IS BETWEEN THEM . EVALUATING SERVER  SERVER NET NETWORK SERVER WORK SERVER 1- PROCESSOR 2- CLOCK CYCLE SPEED 3- WAIT STATES ( PREFARED ZERO WAIT STATE ) 4- EXPANSION BUS
  • 4. 5- MEMORY (MAX) 6- BUS WIDTH ( 16- BIT WIDE BUS TWICE 8-BIT WIDE BUS )  1- SUPPORT FOR STANARDS ( E.G. TCP/IP ) 2- COST 3- PREFORMANCE 4- SECURITY 5- FUNCTIONALITY LAN MANAGEMENT  NETWORK SUPERVISOR  HOST - TO TERMINAL / SYSTEM ADMINISTRATOR SUPPER VISOR MAPPING OUT THE NETWORK  - - - - - SERVER - - TOPOLOGY - SERVER - - 0640