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Huawei 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: Oct 29, 2026

Q&A Number: 1081 Q&As

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

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

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

Question #1
Which layer of data packets does the packet filtering firewall inspect?

A. Physical layer
B. Network layer
C. Application layer
D. Link layer


Question #2
Option 82 in the DHCP message is called the relay agent information option, and the administrator can obtain a lot of client information from it. Option 82 can contain at most () Sub-Options.


Question #3
Which of the following descriptions about IGMPv3 are correct? (Multiple choice)

A. In IGIPv3, a member report message can carry multiple multicast group information
B. IGMPv3 provides the ability to carry multicast source information in the message, helping the host to select the multicast source
C. The query packets in IGMPv3 not only include general group query packets and specific group query packets, but also add specific source group query packets
D. IGMPv3 defines a special member leaving message, which can quickly confirm whether the member of the corresponding multicast group has left


Question #4
The (*, G) routing table entry in multicast routing can guide packet forwarding.

A. TRUE
B. FALSE


Question #5
Please match the following ICMPv6 packet types and packet content items. (Drag and drop) ICMPv6 Type135 NS(Neighbor Solicitation) ICMPv6 Type134 RA(Router Advertisement) ICMPv6 Type137 Redirect(Redirect) ICMPv6 Type133 RS(Router solicitation) ICMPv6 Type136 NA(Neighbor Advertisement)


Solutions:

Question #1
Correct Answer: B
Question #2
Correct Answer: Only visible for members
Question #3
Correct Answer: A,B,C
Question #4
Correct Answer: B
Question #5
Correct Answer: Only visible for members

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