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Functions of OSI and TCP/IP Layers Q.17

0. A router uses the following routing table:

functions of osi

A packet bearing a destination address 144.16.68.117 arrives at the router. On which interface will it be forwarded?

  • Option : C
  • Explanation : Subnet address of interface = 144. 16 . 68 .0
    Subnet address of incoming IP
    = 144. 16. 68. 117 BITWISE AND 255.255.255.0
    = 144. 16. 68.0
    Both subnetwork addresses are same, so packet is forwarded to interface eth2
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