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  1. #1
    Sep 2020
    429


    . . .
    . . .
    ☜ : : 6 .

    .
    . .
    ɿ
    .
    .
    .
    .
    . . CISCO .

    . .
    CISCO .
    :
    : ɡ ɡ .
    . .
    ☜ : : 3 .

    (PAN)
    . PAN .
    PAN . .
    (LAN)
    . .


    ☜ : LAN.
    (WLAN)
    WLAN LAN WI-FI.
    LAN WLAN .
    (CAN)
    .
    .
    (MAN)
    LAN CAN. .
    .
    (WAN)
    (WAN) . WAN .


    LAN MAN ETHERNET (IP / MPLS) (PDH) (SDH) (SONET) ( ) (ATM) X.25 .
    . .
    ☜ : 8 .
    (SAN)
    SANS .
    LAN WAN. .
    (POLAN)
    POLAN ETHERNET .
    POLAN LAN .
    (VPN)
    (VPN) . . MAN WAN . VPN VPN.
    . VPN LAN .
    ☜ : .


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    Hk,hu af;hj hgphsf ,hsjo]hlhjih



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  3. #2
    Oct 2019
    292


 
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