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

Huawei HCIE-Datacom V1.0 Sample Questions:

1. In order to reduce the number of OSPF routes in certain areas, the OSPf protocol has developed special area functions, and the following description of the characteristics of OSPF special areas is correct

A) ASBR-Sunmary-LSA is allowed to be published to the NSSA region
B) Any OSPF zone can be configured as a special zone
C) Zone can be equipped with zhiyi
D) AS-External-LSA is allowed to be published to the Stub region

2. What is wrong with the following statement about digital certificates?

A) Digital signatures guarantee the integrity of digital certificates.
B) Even if two PRI entities are not in the same CA system, authentication can be completed as long as both parties can recognize each other's CA.
C) Authentication fails when the peer certificate is received within the validity period, but the device itself is in the wrong time if it is not within the validity period of the certificate.
D) Digital certificates contain public key information.

3. CORRECT TEXT
When judging the old and new LSA, the serial number parameter and the age parameter are used, and the following two parameters are correct for? (Multiple choice questions).

A) When the router receives-The age of the LSA is set to 3600S, the LSA is unavailable
B) When the router receives two LSAs, where the sequence number is the same and the checksum is the same, the smaller the age, the better
C) Both the serial number and age parameters can determine whether the LSA is old or new, and the router prioritizes the sequence to participate in the teaching, and the larger the better
D) If the serial number of the LSA reaches the end value of Ox7FFFFFFF, the current router advertises an LSA with an age of 3600S

4. If the OSPF protocol is running in the network, after configuring the non-osseous thousand region in the OSPF region as the Totally Stub region, the ABR router sends a message to Totally. The Stub area issues an LSA with an LSID of 0000, which category the LSA belongs to LSA? (Single choice questions).

A) LSA1
B) LSA3
C) LSA5
D) LSA2

5. 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) 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
C) Routes learned from IBGP are not advertised to IBGP neighbors and are used to prevent routing loops inside the AS
D) A AS_PATH attribute is used between autonomous systems to prevent ring cats.

Solutions: