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

  • Exam Code: H12-821_V1.0-ENU
  • Exam Name: HCIP-Datacom-Core Technology V1.0
  • Updated: Sep 10, 2026     Q & A: 1081 Questions and Answers

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

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

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

Question #1

Routers R1 and R2 establish an OSPF neighbor relationship. When R1 receives an LSU message from R2, which of the following methods will it use to inform R2 that it has received the LSU?

  • A. R1 will return the LSU with the same serial number to R2
  • B. R1 will respond with LSAck message to R2
  • C. R1 will respond to R2 with a DD message, in which the sequence number of the LSA header is the same as that of the LSU
  • D. R1 will transmit the TCP packet with the ACK bit set to 1 to R2
Answer: B
Question #2

The above information about display ospf peer output, which of the following description is correct?
<Huawei=display ospf peer
OSPF Process 1 with Router ID 10.1.1.2
Neighbors
Area 0.0.0.0 interface 10.1.1.2(Gigabitethernet1/0/0)'s neighbors
Router ID: 10.1.1.1
Address:10.1.1.1
State: Full Mode: Nbr is Slave Priority: 1
DR:10.1.1.1BDR: None PERSON: 0
Dead timer due in 38 sec
Retrans timer interval: 5Neighbor is up for 00: 00:04
Authentication Sequence: [0]

  • A. The Designated Router (DR) as the address is 10.1.1.1
  • B. Address: 10.1.1.1 indicates that the local interface address is 10.1.1.1
  • C. Router ID indicates that the local router ID is 10.1.1.1
  • D. After negotiation during the DD exchange process, the local end becomes the Slave
Answer: A
Question #3

Which of the following is the configuration command for linkage between VRRP and BFD?

  • A. bfd-session vrrp vrid 1 track session-name 1 reduced 100
  • B. vrrp vrid 1 track bfd-session-name 1 reduced 100
  • C. vrrp vrid 1 track bfd-session session-name 1 reduced 100
  • D. track vrrp vrid 1 bfd-session session-name 1 reduced 100
Answer: C
Question #4

BGP neighbor is a neighbor relationship established through UDP.

  • A. TRUE
  • B. FALSE
Answer: B
Question #5

There is an existing switch connected to a designated port through a certain port, but this port does not forward any packets, but can monitor network changes by receiving BPDUs, so which of the following options should the role of this port be?

  • A. Designate port
  • B. Alternate port
  • C. Root port
  • D. Disable port
Answer: B

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