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Huawei HCIP-Datacom H12-821_V1.0-ENU

H12-821_V1.0-ENU

Exam Code: H12-821_V1.0-ENU

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

Updated: Aug 09, 2026

Q & A: 1081 Questions and Answers

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PDF Version Demo Test Engine Online Test Engine

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

SectionWeightObjectives
Topic 1: Network Security Basics9%- AAA and access control
- ACL and packet filtering
- Security defense technologies
Topic 2: IPv6 Core Knowledge3%- IPv6 addressing and header
- IPv6 routing protocols
Topic 3: Network Service and Management2%
Topic 4: Network Reliability Basics8%- High availability design
- BFD and fault detection
- VRRP and redundancy
Topic 5: IS-IS Core Knowledge8%- IS-IS routing and configuration
- IS-IS protocol fundamentals
Topic 6: Routing and Traffic Control10%- Routing policy and filtering
- Traffic engineering and control
Topic 7: BGP Core Knowledge17%- BGP route selection and control
- BGP concepts and attributes
- BGP deployment and optimization
Topic 8: Routing Basics3%
Topic 9: Network Solutions2%
Topic 10: Large-scale WLAN Networking Architecture6%
Topic 11: OSPF Core Knowledge16%- OSPF configuration and troubleshooting
- OSPF principles and operation
- OSPF route calculation and selection
Topic 12: Multicast Basics9%- IGMP and PIM protocols
- Multicast principles
Topic 13: Switching Core Knowledge7%- VLAN and trunking
- Spanning Tree Protocol
- Link aggregation

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

1. Which of the following description about AS_PATH is wrong?

A) AS_PATH refers to the list of ASs experienced by BGP routes in the transmitted path
B) When there are two or more routes to the same destination in the router, these routes can compare the advantages and disadvantages of each other through this attribute, and the path with the longer AS_ PATHA is super-priority
C) BGP will not accept the route that contains this AS Number in the AS_PATH property
D) AS_PATH is a recognized mandatory attribute in BGP


2. If a modular switch only supports using the cluster card on the main control board to establish cluster connections, it means that the modular switch uses CSS2 stacking technology.

A) TRUE
B) FALSE


3. Which of the following statements about the IS-IS protocol is wrong?

A) IS-IS protocol supports CLNP network
B) IS-IS protocol is a link state protocol running between AS
C) IS-IS protocol supports IP network
D) IS-IS protocol packets are directly encapsulated by the data link layer


4. The default priority of the VRRP device in the backup group is:

A) 0
B) 200
C) 100
D) 150


5. ACL can be divided into which of the following categories? (Multiple choice)

A) Basic ACLs
B) Advanced ACLs
C) User-defined ACL
D) Layer 2 ACL


Solutions:

Question # 1
Answer: B
Question # 2
Answer: B
Question # 3
Answer: B
Question # 4
Answer: C
Question # 5
Answer: A,B,C,D

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