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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:

1. Which of the following descriptions about BGP route aggregation is wrong?

A) Route aggregation is a mechanism for merging multiple routes. It reduces the size of the routing table by only sending the aggregated route to the peer instead of sending all the specific routes.
B) In order to avoid routing loops that may be caused by route aggregation, BGP designed the AS_Set attribute
C) Manual aggregation can control the attributes of aggregated routes and decide whether to publish specific routes
D) For IPv6, BGP supports both manual aggregation and automatic aggregation

2. Which of the following descriptions about the reset ip ip-prefix command is correct?

A) This command can re-match routing entries
B) This command enables the router to recall the prefix list during routing protocol injection
C) This command enables the router interface to recall the prefix list during traffic filtering (Traffic-Filter)
D) This command can clear the statistical data of IPv4 address prefix list

3. When the BFD detection intervals at both ends are 30ms and 40ms respectively, which of the following option descriptions is correct?

A) The bfd can be established, take 30ms after negotiation
B) The bfd session cannot be established
C) The bfd session can be established, and each can be sent at intervals according to its own time
D) The bfd session can be established, take 40ms after negotiation

4. R1, R2, R3, and R4 run IS-S. The DIS Priority of their interfaces is as shown in the figure. If the devices are started at the same time, () is elected as D1S.

5. If two Huawei routers establish a BFD session, the sending interval of AR1 is 50 milliseconds and the receiving interval is 80 milliseconds; the sending interval of AR2 is 60 milliseconds and the receiving interval is 90 milliseconds, so which of the following descriptions of the post-negotiation time interval is correct?

A) After negotiation, AR1 has a sending interval of 50 milliseconds and a receiving interval of 80 milliseconds.
B) After negotiation, the sending interval of AR2 is 90 milliseconds and the receiving interval is 80 milliseconds.
C) AR1 has a sending interval of 60 milliseconds and a receiving interval of 90 milliseconds after negotiation.
D) After negotiation, the sending interval of AR2 is 80 milliseconds and the receiving interval is 90 milliseconds.

Solutions: