Huawei H12-221-ENU

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Huawei H12-221-ENU Exam Syllabus Topics:

Huawei HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network) Sample Questions:

Question #1
When the ospf cost and bandwidth-reference commands are configured at the same time, the cost value on the interface is subject to the bandwidth reference configuration.

A. FALSE
B. TRUE

Question #2
The description of the LSA header information in the AS-External-LSA of OSPF, which is wrong?

A. Forwarding Address is always 0.0.0.0.
B. Link State ID indicates the destination network address.
C. Advertising Router indicates the router ID of ASBR.
D. Net mask indicates the network mask of the destination network segment.

Question #3
Why can you increase the QoS of the network by increasing the link bandwidth capacity? (Multiple choice)

A. The increase in link bandwidth can increase the available bandwidth of the control protocol.
B. The increase in link bandwidth reduces the chance of congestion, which reduces the amount of packet loss.
C. The increase in link bandwidth means less latency and jitter.
D. The increase in link bandwidth can support higher traffic.

Question #4
Which of the following description about LSA3, LSA4, and LSA5 is correct?

A. LSA4 will not change after crossing different areas; LSA3 and LSA5 will change.
B. LSA5 will not change after crossing different areas; LSA3 and LSA4 will change.
C. LSA3, LSA4, and LSA5 do not change after crossing different areas.
D. LSA3 will not change after crossing different areas; LSA4 and LSA5 will change.

Question #5
Which of the following description is wrong about the routing selection tool?

A. An access control list (ACL) is used to match routing information or the address of a packet, and to filter out routing information or packets that do not meet the criteria.
B. The community-filter is used to match the community attributes of BGP routing information and can only be used to filter BGP routes.
C. route-policy is a powerful filtering tool, but it can only match routes and packets and cannot be used to modify routing attributes or packet forwarding behavior.
D. as-path-filter is used to match the AS-PATH attribute in BGP routing information, so it can only be used to filter BGP routes.
E. The prefix list (ip-prefix) matches the destination address of the routing information or directly acts on the router object (gateway).

Solutions: