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

H12-821_V1.0 real exams

Exam Code: H12-821_V1.0

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

Updated: Aug 14, 2026

Q & A: 385 Questions and Answers

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About Huawei H12-821_V1.0 Exam

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Huawei H12-821_V1.0 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Network Security9%- ACL and basic security mechanisms
Topic 2: Network Service and Management2%- Network management basics
Topic 3: Routing and Traffic Control10%- Traffic engineering basics
- Policy-based routing
Topic 4: Large-scale WLAN Architecture6%- Enterprise WLAN deployment basics
Topic 5: IPv63%- IPv6 addressing and routing
Topic 6: Network Solution2%- Integrated network design scenarios
Topic 7: Multicast9%- IGMP and PIM concepts
Topic 8: Switching Technologies7%- VLAN and STP fundamentals
Topic 9: OSPF16%- OSPF core concepts
- OSPF areas and LSDB
Topic 10: Network Reliability8%- Redundancy and failover mechanisms
Topic 11: Routing Fundamentals3%- Network basics and routing principles
Topic 12: BGP17%- BGP path selection
- BGP policy and attributes
Topic 13: IS-IS8%- IS-IS protocol fundamentals

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

1. A Layer 2 switch supports multiple types of Ethernet interfaces, and each interface has a default VLAN ID regardless of the interface type. On a Huawei switch, the default VLAN ID of an interface is 11.

A) FALSE
B) TRUE


2. To prevent loops on an STP network , after a designated port is elected, it must wait for a long time and can forward packets only after the status of all ports on the entire network is determined . To solve this problem, RSTP uses the P/A mechanism to speed up the downstream port ' s transition to the Forwarding state .

A) FALSE
B) TRUE


3. The VRID of the VRRP virtual router is 3 and the virtual IP address is 100.1.1.10. What is the virtual MAC address?

A) 01-00-5E-00-01-03
B) 00-00-5E-00-01-64
C) 01-00-5E-00-01-64
D) 00-00-5E-00-01-03


4. The Neighbor Discovery Protocol (NDP) is an important basic protocol in the IPv6 protocol suite and plays an important role. Which of the following functions and features does it support?

A) Address resolution
B) Duplicate address detection
C) Redirection
D) Neighbor state tracing


5. On an RSTP network, you can set the STP priority of a switch to specify the switch as the root bridge.
Which of the following values is the default STP priority of a Huawei switch?

A) 1
B) 32768
C) 4096
D) 128


Solutions:

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

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