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: Aug 10, 2026
  • Q & A: 1081 Questions and Answers

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

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

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

1. The output information of a certain router is shown in the figure, so which one of the following descriptions is correct?

A) The cost value of the router interface is 1500
B) The Router ID of the router is 10.012.2
C) The interface address of the router is 10112.1
D) The router interface is BDR


2. SSH uses asymmetric addition AES and DES to achieve data transmission security, and uses HMAC to ensure complete integrity verification of data.

A) FALSE
B) TRUE


3. The VNI field length of VXLAN packets is 24 bits.

A) FALSE
B) TRUE


4. Stacking: refers to connecting two or more switches to each other through dedicated connecting cables. For example, to connect two switches, you can directly connect the UP stack port of one stack switch to the DOWN stack of another stack switch. ports to expand the number of ports on a single switch.

A) FALSE
B) TRUE


5. Which of the following descriptions of BGP Next_Hop attributes is incorrect?

A) The address of Next Hop must be the IP address of the neighbor device interface.
B) This attribute is a recognized mandatory attribute
C) BGP will first check whether the next hop of the route is reachable before selecting a route. Routes whose next hop is unreachable are inactive routes and cannot participate in BGP route selection.
D) In actual application, sometimes it is necessary to modify the next hop


Solutions:

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

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