Chapter 3

1: Which information is stored in an IP routing table as seen by R1?
A1: OSPF routing entries and connected routes.
2: Which command do you use to view only OSPF routes?
A2: show ip route ospf, which can be truncated as sh ip ro os.
3: How many subnets are known by R1 using the Class B networks 131.108.0.0/16 and 141.108.0.0/16?
A3: There are eight subnets using three masks for the Class B address 141.108.0.0. There are nine subnets using three different masks for the Class B network 131.108.0.0.
4: What path is taken to the remote network 141.108.100.1/24?
A4: R1's routing table has no entry for the network 141.108.100.1, and because there is no default network or gateway of last resort, packets to this network are dropped.
5: Why is the ...

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