Huawei H12-821_V1.0-ENU Questions & Answers - in .pdf
- Total Q&A: 1081
- Update: Jun 17, 2026
- Price: $59.99
- Vendor: Huawei
- Exam Code: H12-821_V1.0-ENU
- Exam Name: HCIP-Datacom-Core Technology V1.0
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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:
1. What are the main components of the SNAP address used by the IS-IS protocol? (Multiple choice)
A) SYSTEM ID
B) SEL
C) SEL
D) DSCP
2. Which of the following descriptions about configuring the dual-machine hot backup function in the WLAN network is wrong?
A) When configuring dual-link backup, you need to use the commit command on the active AC to send the configuration to the AP after the active and standby ACs have completed the service configuration.
B) When configuring dual-link hot backup, after the active AC completes the service configuration, execute the commit command to send the configuration to the AP, and then complete the configuration of the standby AC
C) When dual-link hot backup is switched over, due to the long switching time, the business data forwarded by the tunnel will be interrupted during this period, new users will not be able to go online, and the online users will not be able to roam.
3. How long is the IS-IS LSP flooding time in seconds?
A) 1500 seconds
B) 1200 seconds
C) 1800 seconds
D) 900 seconds
4. When pinging the IP address of an interface of the firewall on the firewall, these packets will be handed over to the internal module of the firewall for processing and will not be forwarded.
A) TRUE
B) FALSE
5. The following is part of the output information of the router RTB. Which is the wrong description of the output information?

A) The joined multicast address is 255.1.1.2
B) The number of dynamically joined multicast groups on the interface is 1
C) The host to send the last Report message is 225.1.1.2
D) The display igmp group command is used to view IGMP multicast information, including the information of the multicast group dynamically joined through the member report and the multicast group statically joined through the command line
Solutions:
Question # 1 Answer: A,B,C | Question # 2 Answer: B | Question # 3 Answer: D | Question # 4 Answer: A | Question # 5 Answer: C |
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