5248693
Description
Quiz by Isaac Farias, updated more than 1 year ago
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Created by Isaac Farias
over 10 years ago
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Question 1
Question
1. Which of the following distance vector features prevents routing loops by causing the routing protocol to advertise only a subset of known routes, as opposed to the full routing table, under normal stable conditions?
Answer
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a. Route poisoning
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b. Dijkstra SPF
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c. Hello
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d. Split horizon
Question 2
Question
2. Which of the following distance vector features prevents routing loops by advertising an infinite metric route when a route fails?
Answer
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a. Dijkstra SPF
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b. Hello
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c. Split horizon
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d. Route poisoning
Question 3
Question
3. Which of the following is true about both RIPv1 and RIPv2? (Choose two answers.)
Answer
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a. Uses a hop-count metric
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b. Sends update messages to multicast address 224.0.0.9
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c. Supports authentication
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d. Uses split horizon
Question 4
Question
4. Router R1 uses RIPv1, and learns one possible route to reach subnet 10.1.1.0/24. That route would have a metric of 15 from R1’s perspective. Which of the following is true?
Answer
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a. R1 cannot use the route, because metric 15 is considered to be infinity
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b. R1 will add the route to its routing table
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c. The cumulative bandwidth between R1 and subnet 10.1.1.0/24 is 15 Mbps
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d. The slowest bandwidth of the links between R1 and subnet 10.1.1.0/24 is 15 Kbps.
Question 5
Question
5. Routers A and B use EIGRP. How does router A watch for the status of router B so that router A can react if router B fails?
Answer
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a. By using EIGRP hello messages, with A needing to receive periodic hello messages to believe B is still working
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b. By using EIGRP update messages, with A needing to receive periodic update messages to believe B is still working
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c. Using a periodic ping of B’s IP address based on the EIGRP neighbor timer
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d. None of the other answers are correct.
Question 6
Question
6. Which of the following affect the calculation of EIGRP metrics when all possible default values are used? (Choose two answers.)
Answer
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a. Bandwidth
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b. Delay
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c. Load
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d. Reliability
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e. Hop count
Question 7
Question
7. Which of the following routing protocols are considered to use link-state logic?
Answer
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a. RIPv1
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b. RIPv2
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c. EIGRP
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d. OSPF
Question 8
Question
8. Which of the following is true about how a router using a link-state routing protocol chooses the best route to reach a subnet?
Answer
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a. The router finds the best route in the link-state database.
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b. The router calculates the best route by running the SPF algorithm against the information in the link-state database.
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c. The router compares the metrics listed for that subnet in the updates received from each neighbor and picks the best (lowest) metric route.
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d. The router uses the path that has the lowest hop count.
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