Huawei H12-891_V1.0 : HCIE-Datacom V1.0

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Huawei H12-891_V1.0 Exam Syllabus Topics:

Huawei HCIE-Datacom V1.0 Sample Questions:

1. Which of the following fields is added to BGP4+ Update packets to advertise IPv6 routes?

A) A new NLRI type: IPv6_NLRI, which carries the IPv6 NLRI prefix length and IPv6 NLRI prefix.
B) A new path attribute: MP_UNREACH_NLRI
C) A new path attribute: IPv6_REACH_NLRI
D) A new path attribute: MP_REACH_NLRI

2. Which of the following statements are correct about the authentication protocols used in Portal authentication?

A) When Portal is used as the authentication protocol, the Portal server needs to exchange authentication information with the access device, which then sends the information to the authentication server for identity authentication.
B) When Portal is used as the authentication protocol, the Portal server and access device only need to support the Portal protocol, but not the HTTP and HTTPS protocols.
C) When HTTP or HTTPS is used as the authentication protocol, none of the devices involved in the authentication process need to support the Portal protocol.
D) When HTTP or HTTPS is used as the authentication protocol, the client needs to send authentication information to the access device, which then sends the information to the authentication server for identity authentication.

3. Fill in Blank
Huawei Open Programmability System (OPS) uses HTTP methods to access managed objects to manage network devices. HTTP is the most widely used network transmission protocol on the Internet. By default, the TCP port number _____ is used. (Fill in Arabic numerals.)

4. In a scenario where SR Policies are dynamically established through the controller, which of the following statements about the SR Policy solution architecture is incorrect?

A) The controller uses BGP-LS to collect tunnel topology information and computes SR Policy paths.
B) The controller uses NETCONF to deliver configurations such as service interfaces and routing policies.
C) The controller uses BGP IPv6 SR Policy to deliver SR Policy information, such as the color, headend, and endpoint information.
D) The controller uses telemetry to deliver information such as SRv6 SIDs to construct SID entries.

5. Fill in Blank
AH is an IP-based transport-layer protocol. The protocol number is _____. (Enter only digits.) Expalanation:
(Authentication Header) is part of the IPsec protocol suite, used to provide integrity and authentication for IP packets.It is defined by RFC 4302 and uses its own protocol number within the IP header.The protocol number for AH is officially assigned by IANA (Internet Assigned Numbers Authority).According to the IANA registry:Protocol Number for AH = 51This protocol number is used in the IP header's "Protocol" field to indicate the next protocol is AH.Correct answer: 51

Solutions: