Huawei H12-821_V1.0-ENU : HCIP-Datacom-Core Technology V1.0

Exam Code: H12-821_V1.0-ENU

Exam Name: HCIP-Datacom-Core Technology V1.0

Updated: Sep 21, 2026

Q & A: 1081 Questions and Answers

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Huawei H12-821_V1.0-ENU Exam Syllabus Topics:

Section	Objectives
Topic 1: IP Network Fundamentals	- TCP/IP Model and Networking Principles - IPv4 and IPv6 Addressing
Topic 2: Routing Protocols	- IS-IS Fundamentals - OSPF Implementation and Optimization - BGP Basics and Policy Control
Topic 3: MPLS and VPN Technologies	- MPLS Architecture and Label Switching - L2VPN and L3VPN Deployment
Topic 4: Network Services and QoS	- Network Reliability and Redundancy - QoS Mechanisms and Traffic Management
Topic 5: Network Management and Automation	- Network Monitoring and O&M Tools - Basic Network Automation Concepts

Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:

Question #1

Which of the following protocols support network monitoring and management? (Multiple choice)

A. NetStream
B. SNMP
C. SFlow
D. SSH

Reveal Solution Discussion 0

Correct Answer: A,B,C 🗳️

Question #2

In WLAN networking, backup technologies can be deployed to ensure the reliability of the networking.
Which of the following statements about backup technology is correct? (Multiple choice)

A. After deploying dual-link hot backup, when the active AC fails, the AP can quickly switch to the standby AC, and the STA does not need to disconnect and reconnect
B. After deploying VRP hot backup, when the active AC fails, STA can forward data directly through the standby AC
C. After N+1 backup is deployed, when the active AC fails, the AP needs to go online to the standby AC again, and the STA will interrupt the service
D. After deploying dual-link cold backup, when the active AC fails, the AP only needs to wait for a period of time before switching to the standby AC, which will not affect the STA business

Reveal Solution Discussion 0

Correct Answer: B,C 🗳️

Question #3

When a routing protocol introduces other routing protocols, in order to only introduce a part of the routing information that meets the conditions and set certain attributes of the imported routing information, the route-policy tool can only be used.

A. FALSE
B. TRUE

Reveal Solution Discussion 0

Correct Answer: A 🗳️

Question #4

Which of the following descriptions of OSPF's own anti-environment measures are correct? (Multiple choice)

A. Routers in the same area calculate a loop-free shortest path tree with itself as the root based on LSDB.
B. ASBR is not allowed to exist in the OSPF backbone area
C. Only one ABR is allowed between the OSPF backbone area and non-backbone area.
D. OSPF's LSA flooding has a maximum of 16 hops. If it exceeds 16 hops, the LSA will be discarded.
E. When OSPF divides areas, it stipulates that all non-backbone areas must be directly connected to the backbone area, and communications between non-backbone areas must pass through the backbone area.

Reveal Solution Discussion 0

Correct Answer: A,E 🗳️

Question #5

A network runs IS-IS. The LSP information of a router R4 in the network is shown in the figure.
Which of the following statements is correct? (Multiple choice)