Computer Networking
What are reasons for creating OSPF in a hierarchical design?1. To decrease routing overhead2. To speed up convergence3. To confine network instability to single areas of the network4. To make configuring OSPF easier

3 and 4
3 only
2, 3 nd 4
1, 2 and 3

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Computer Networking
What command is used to stop RIP routing updates from exiting out an interface but still allow the interface to receive RIP route updates?

Router (config-router) # passive-interface s0
Router (config-router) # no routing updates
Router (config-if) # no routing
Router (config-if) # passive-interface

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