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

Two connected routers are configured with RIP routing. What will be the result when a router receives a routing update that contains a higher-cost path to a network already in its routing table?

You type debug ip rip on your router console and see that is being advertised to you with a metric of 16. What does this mean?

The Corporate router receives an IP packet with a source IP address of and a destination address of Looking at the output from the Corporate router, what will the router do with this packet?
Corp#sh ip route
[output cut]
R [120/2] via, 00:00:23, Serial0/0
R [120/1] via, 00:00:23, Serial0/0
R [120/1] via, 00:00:23, Serial0/0
C is directly connected, Serial0/0
C is directly connected, FastEthernet0/0

If your routing table has a static, a RIP, and an IGRP route to the same network, which route will be used to route packets by default?