300-510 Free Practice Test

Refer to the exhibit. An engineer is addressing an IS-IS design issue which is running within the topology. All links are running on FastEthernet, except the link between R5 and R4, which is Gigabit Ethernet. Which statement about the design is true?

1. A. R4 prefer to reach R5 using R1 as the next hop
2. B. All links have equal cost if the default metric is used
3. C. R5 prefers to use R4 as the next hop for all routes
4. D. R1 prefer to use R5 as the next hop to reach R4

Correct Answer: B

Refer to the exhibit. P1 and PE3 Cisco IOS XR routers are directly connected and have this configuration applied. The BGP session is not coming up. Assume that there is no IP reachability problem and both routers can open tcp port 179 to each other. Which two actions fix the issue? (Choose two.)

1. A. Change MD5 to HMAC-SHA1-12
2. B. Change MD5 to HMAC-ESP
3. C. Change MD5 to SHA-1
4. D. Change MD5 to HMAC-MD5
5. E. Remove the send and accept lifetime under key 1

Correct Answer: AD

Refer to the exhibit. After you applied these configurations to routers R1 and R2, the two devices could not form a neighbor relationship. Which reason for the problem is the most likely?

1. A. The two routers cannot authenticate with one another.
2. B. The two routers have the same area ID.
3. C. The two routers have the same network ID.
4. D. The two routers have different IS-types.

Correct Answer: C