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

H12-821_V1.0-ENU real exams

Exam Code: H12-821_V1.0-ENU

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

Updated: Aug 13, 2026

Q & A: 1081 Questions and Answers

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

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

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

1. In WLAN networking, backup technologies can be deployed to ensure the reliability of the networking.
Which of the following statements about backup technology is correct? (Multiple choice)

A) After deploying VRP hot backup, when the active AC fails, STA can forward data directly through the standby AC
B) After deploying dual-link hot backup, when the active AC fails, the AP can quickly switch to the standby AC, and the STA does not need to disconnect and reconnect
C) After N+1 backup is deployed, when the active AC fails, the AP needs to go online to the standby AC again, and the STA will interrupt the service
D) After deploying dual-link cold backup, when the active AC fails, the AP only needs to wait for a period of time before switching to the standby AC, which will not affect the STA business


2. The four routers run IS-IS and have established adjacency. The area numbers and router levels are shown in the figure. Which of the following is correct?

A) The LSP of R3 does not exist in the LSDB of the R2 router
B) The LSP of R4 does not exist in the LSDB of the R2 router
C) The LSP of R4 does not exist in the LSDB of router R1
D) The LSP of R4 does not exist in the LSDB of R3 router


3. In the OSPF routing protocol, the asbr-summary command can be followed by the not-advertise parameter. The meaning of this parameter is not to advertise summary routes.

A) TRUE
B) FALSE


4. To implement the traffic filtering function, you can use traffic-filter or MQC. Compared with traffic-filter, MQC can be called in more views.

A) TRUE
B) FALSE


5. Which of the following descriptions of stack topology connection methods is incorrect?

A) When the network requires high reliability, it is recommended to use the ring connection method
B) When stacking link utilization requirements are high, it is recommended to use the chain connection method.
C) Depending on the stack connection method, the stack can form two connection topologies: link and ring.
D) When the stack member switches are far apart, chain connection can be used


Solutions:

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

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