ccna2-cap7

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CCNA2 Cap.7 RIP v2.
1. Where would RIP v2 be a suitable routing protocol to use?
2. What features does RIP v2 have in common with RIP v1?
3. How does RIP v2 differ from RIP v1?
4. Which IP addresses are private addresses?
5. Why is it permissible to use the public addresses 209.165.200.224/27,
209.165.201.0/27 and 209.165.202.128/27 in Cisco labs?
6. What is a loopback interface? How is it useful in a lab?
7. A static route is configured with:
R2(config)#ip route 192.168.0.0 255.255.0.0 Null0.
What happens to packets addressed to the 192.168.0.0/16 group of
networks?
8. Why is this static route to a null interface used in the lab?
9. What might be a practical use of a null interface in a real network?
10. What command is used to propagate a static route between routers
using RIP?
11. How was it possible to define a new version of RIP that includes
additional information in routing update messages?
12.
A
172.16.1.0/24
B
172.16.2.0/24
172.17.6.0/24
C
172.17.7.0/24
The routers are running RIP v1. Why does router B have problems sending
packages to 172.17.6.0/24 and 172.17.7.0/24?
13. Will router A (in the diagram) have a route to 172.17.7.0/24 in its
routing table?
14.
192.168.1.32/27
192.168.1.96/28
Fa0/0
192.168.1.64/27
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The router is running RIP v1. It sends information about 192.168.1.64 in its
routing updates through Fa0/0. Why does it not send information about
192.168.1.96?
15. A router is configured with static routes to 172.18.0.0/16, 10.10.0.0/16
and 192.168.0.0/16. These static routes are redistributed via RIP v1
across a link which is a subnet of the 172.16.0.0 network. Which routes
will be sent to the neighbouring router, and what subnet masks will the
neighbouring router apply to these routes?
16. How are RIP v2 messages encapsulated?
17. How many routes can a RIP v2 message carry?
18. What additional information does a RIP v2 message carry?
19. By default, when you configure RIP on a Cisco router, which version
does it run, which version messages does it send and which version
messages can it receive?
20. A router is running RIP version 1. How can you configure it to run
version 2?
21. A router is running RIP version 2. How can you change it back to the
default behaviour running version 1?
22. Can RIP v2 redistribute summarised static routes?
23. By default, will RIP v2 route correctly between discontiguous subnets?
24. What command should you give if you do not want RIP v2 to
summarise to class boundaries?
25. To what address does RIP v2 send its updates?
26. Why is the addressing of RIP v2 updates an improvement on RIP v1
updates?
27. Is it necessary to disable automatic summarisation to class boundaries
in order for routers to send and receive supernet information?
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What is a supernet?
When troubleshooting, what checks should you make before you start to
check the routing processes?
Which two show commands are most often used to check that routing is
correctly configured?
Which command shows the routing updates being sent and received, and
displays their contents?
Which command lists all the current configuration commands?
What three configuration mistakes are common when using RIP?
Which routing protocols support authentication?
Why is authentication of routing protocols desirable?
Does authentication encrypt routing updates?
No. It just ensures that the routers that exchange updates are configured with
the same password.
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