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11. What is route poisoning?
A. It sends back the protocol received from a router as a poison pill, which stops the regular updates.
B. It is information received from a router that can’t be sent back to the originating router.
C. It prevents regular update messages from reinstating a route that has just come up.
D. It describes when a router sets the metric for a downed link to infinity.
12. Which of the following is true regarding RIPv2?
A. It has a lower administrative distance than RIPv1.
B. It converges faster than RIPv1.
C. It has the same timers as RIPv1.
D. It is harder to configure than RIPv1.
13. A network administrator views the output from the show ip route command. A network that is advertised by both RIP and IGRP appears in the routing table flagged as an IGRP route. Why is the RIP route to this network not used in the routing table?
A. IGRP has a faster update timer.
B. IGRP has a lower administrative distance.
C. RIP has a higher metric value for that route.
D. The IGRP route has fewer hops.
14. What does RIPv2 use to prevent routing loops?
1. CIDR
2. Split horizon
3. Authentication
4. Classless masking
5. Holddown timers
A. 1 and 3
B. 2, 3 and 5
C. 2 and 5
D. 3 and 4
15. Which two of the following are true regarding the distance-vector and link-state routing protocols?
1. Link state sends its complete routing table out all active interfaces on periodic time intervals.
2. Distance vector sends its complete routing table out all active interfaces on periodic time intervals.
3. Link state sends updates containing the state of its own links to all routers in the internetwork.
4. Distance vector sends updates containing the state of its own links to all routers in the internetwork.
A. 1 only
B. 3 only
C. 2 and 3 only
D. None of the above
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