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Huawei H12-891_V1.0 Exam With Confidence Using Practice Dumps

Exam Code:
H12-891_V1.0
Exam Name:
HCIE-Datacom V1.0
Certification:
Vendor:
Questions:
177
Last Updated:
Apr 4, 2025
Exam Status:
Stable
Huawei H12-891_V1.0

H12-891_V1.0: HCIE-Datacom Exam 2025 Study Guide Pdf and Test Engine

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HCIE-Datacom V1.0 Questions and Answers

Question 1

The TTL field encapsulated in the MPLS label header can prevent infinite loops of MPLS packets. Which of the following statements regarding the TTL field are correct?

Options:

A.

If TTL copy is disabled, users can use the tracert function to view the LSR of the MPLS domain.

B.

The processing of IP TTL copy hides the LSR in an MPLS domain, improving network security.

C.

MPLS provides two processing modes on the TTL field:

TTL in the MPLS header copies the IP TTL value when an IP packet enters the MPLS network.

The ingress LER sets the TTL value in the MPLS header to 255.

D.

MPLS encapsulation in frame mode supports the TTL field. MPLS encapsulation in cell mode does not support the TTL field.

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Question 2

NETCONF uses an XML-based encoding format. NETCONF uses text files to represent complex hierarchical data. Which of the following statements are correct about the following XML file?

Learners

Huawei

Reminder

Don't forget Reading!

Options:

A.

encoding: indicates the character set encoding format. Currently, only UTF-8 encoding is supported.

B.

/: indicates the end of the current tag.

C.

D.

?>: indicates the end of an instruction.

Question 3

Exhibit:

A loop occurs because Spanning Tree Protocol (STP) is not enabled on the network. Which of the following symptoms may occur?

Options:

A.

A loop alarm is generated on the LAN switch.

B.

CPU usage is too high.

C.

MAC entries flap.

D.

Host receives a large number of broadcast packets.