Huawei HCIE-Datacom V1.0 - H12-891_V1.0-ENU certification

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Huawei H12-891_V1.0-ENU Exam Syllabus Topics:

Huawei HCIE-Datacom V1.0 Sample Questions:

1. Regarding the BGP ring protection mechanism, the following description is correct?

A) You can use the AS_CONFED_SET attribute to prevent loops within a consortium
B) A AS_PATH attribute is used between autonomous systems to prevent ring cats.
C) Routes learned from IBGP are not advertised to IBGP neighbors and are used to prevent routing loops inside the AS
D) The Cluster List property is used for reflector cluster inner ring defense, and the router finds that the Cluster List of route entries contains its own Client lD. The route is rejected

2. What are the benefits of using WRED? (Multi-select)

A) Avoid congestion completely
B) Avoid TCP global synchronization
C) Provides a small bandwidth guarantee
D) Provides some low latency
E) Can avoid UDP occupying most of the bandwidth when congested

3. Regarding Route Policy, is the following description correct?

A) Advanced ACLs can be applied in route-policy to filter routes
B) If more than one node is defined in Route one policy, there should be at least one node in each node that matches permit
C) The table entries pernit::0 Less an equal 128 indicate that all IPV6 routes are allowed through
D) Route one policy filters only the default route

4. The following is the correct description of the aggregation of BGP (radio).

A) For IPv6 routing, BGP supports manual aggregation and automatic aggregation.
B) BGP enables automatic aggregation by default.
C) After you configure the Aggregate ipv4-address mask, only aggregate routes are published, not detail routes.
D) Routes in the BGP local route table can be manually aggregated.

5. Dual-bucket, two-speed is used in traffic governance, where the number of tokens in a C bucket is TC and the number of tokens in a P bucket is TP.
When a message of length B enters, which of the following sentences is correctly described? (Multiple choice questions).

A) If TP-B~O and TC-B < 0, the message is marked green
B) If TP-B<0 and TC-B-0, the message is marked in red
C) If TP-B>0 and TC-B < 0, the message is marked yellow
D) If TP-B >O and TC-B > 0, the message is marked as a green

Solutions: