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A router has $3$ interfaces on which $3$ IP addresses are configured. How many route entry would it have on it’s routing table.

  1. None
  2. Based on the number of networks configured
  3. $3$ directly connected networks
  4. None of the above
asked in Computer Networks by Active (3.2k points)
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option (D)

Router has 3 kinds of information in routing table

1-Network IP address

2-Subnet mask

3-interface id

as given in the ques 3 IP addresses so router will contain 3 entries for these 3 IP address matching with corresponding interface and it will also have a default entry (0.0.0.0). When it will not match  with the given IP addresses ,in that case it will go through the default entry .Hence total number of entries =4
answered by Active (3.6k points)
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