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Huawei H12-821_V1.0 Q&A - in .pdf
- Exam Code: H12-821_V1.0
- Exam Name: HCIP-Datacom-Core Technology V1.0
- Updated: Oct 08, 2026
- Q & A: 396 Questions and Answers
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- Exam Code: H12-821_V1.0
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Huawei H12-821_V1.0 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Network Service and Management | 5% | - Network management and monitoring - DHCP and DNS services |
| OSPF Fundamentals | 16% | - OSPF special applications and troubleshooting - OSPF principles and operation mechanisms - OSPF configuration and optimization |
| IPv6 Technologies | 3% | - IPv6 routing protocols - IPv6 address structure and configuration |
| IS-IS Fundamentals | 8% | - IS-IS protocol principles - IS-IS configuration and deployment |
| Network Security | 8% | - ACL and packet filtering - AAA authentication - Attack defense and security policy |
| Routing Basics | 3% | - Routing concepts and classification - Routing table composition and selection rules |
| WLAN Basics | 2% | - WLAN technology principles - WLAN deployment and optimization |
| Network Reliability | 7% | - VRRP protocol - BFD technology - Device redundancy and link backup |
| Routing and Traffic Control | 10% | - Policy-based routing - Routing policy and filtering - Route import and redistribution |
| Ethernet Switching Technologies | 7% | - VLAN principles and configuration - Spanning Tree Protocol - Link aggregation and stack technology |
| BGP Fundamentals | 17% | - BGP characteristics and working principles - BGP route attributes and selection - BGP configuration and policy application |
| Network Solutions and Design | 5% | - Typical network architecture and solution - Enterprise network design principles |
| Multicast Technologies | 9% | - PIM protocol - IGMP protocol - Multicast basic concepts |
Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:
Question #1
In an IPv4 address space, Class D addresses are used for multicast. Among Class D addresses, which of the following is the permanent group address range reserved for routing protocols?
- A. 232.0.0.0 to 232.255.255.255
- B. 224.0.1.0 to 231.255.255.255
- C. 224.0.0.0 to 224.0.0.255
- D. 239.0.0.0 to 239.255.255.255
Correct Answer: C 🗳️
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Question #2
On an office network of an enterprise, OSPF is enabled on two directly connected routers. During adjacency establishment, the state machine stays in the 2-way state. Which of the following statements are not possible causes?
- A. Area IDs are different.
- B. Router IDs conflict.
- C. Hello time values are different.
- D. The N-bit and E-bit of Hello packets are the same.
Correct Answer: B,D 🗳️
Explanation: Only visible for PracticeDump members. You can sign-up / login (it's free).
Question #3
The AS_Path attribute records the numbers of all ASs that a route passes through from the local end to the destination in the vector order. If a BGP speaker advertises a route to an IBGP peer, it creates an empty AS_Path in an Open message. This prevents routing loops between ASs.
- A. FALSE
- B. TRUE
Correct Answer: B 🗳️
Question #4
IGMP has three versions. Different versions support different features. Which of the following features is supported by all versions?
- A. Specifying a multicast source
- B. Group-Specific Query message
- C. Leave message
- D. Report message
Correct Answer: D 🗳️
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Question #5
Which of the following statements are true about the Local_Pref attribute in BGP? (Choose all that apply)
- A. The greater the value of the Local_Pref attribute, the higher the priority.
- B. The default Local_Pref value is 0.
- C. The Local_Pref attribute can be transmitted to all BGP peers.
- D. The Local_Pref value remains unchanged during transmission unless it is affected by a routing policy.
Correct Answer: A,D 🗳️
Explanation: Only visible for PracticeDump members. You can sign-up / login (it's free).
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