Module-1/S3 Word Scramble
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Question | Answer |
1) What is required to implement VLSM? | In order to implement VLSM, a network admin must use a routing protocol that supports it. Cisco routers support VLSM with Open Shortest Path First (OSPF), Integrated IS-IS, Enhanced Interior Gateway Routing Protocol (EIGRP), RIP v2, and static routing. |
2) What command is required to use subnet zero? | You must use the “ip subnet zero” command. |
3) VLSM should always be used on what types of links? | Point-to-Point links between routers. |
4) What does CIDR mean and how is it implemented? | CIDR mean “Classless Interdomain Routing” |
5) Why is route aggregation important? | Networks close to one another save routing table space. Every network needs a separate entry in the routing table. Each subnet needs separate entry in the routing table. Route aggregation can reduce the size of the routing table. |
6) Why is RIPv1 considered a classful IGP? | Because RIPv1 uses the first octet to determine address class and the network ID. Classless IGP uses CIDR value to determine the network ID. |
7) What are two enhancements/improvements of RIPv2 over RIPv1? | Transmits the subnet mask with route update to enable VLSM support. RIPv2 provides authentication for enhanced security. RIPv2 includes a next-hop route IP address in its routing update. Uses external route tags. Provides multicast routing upd |
8) What command is used to implement RIPv2? | Use the following command: Router(config-router)# version 2 |
9) What command can be used to confirm RIPv2 has been enabled? | Use the following command: Router# show ip protocols |
10) What command can be used to observe routing updates | Use the debug ip rip command to display RIP routing updates as they are sent and received. The no debug all or undebug all commands will turn off all debugging. |
Created by:
mpulse
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