Huawei : H12-821_V1.0 Questions & Answers
Updated: Sep 07, 2026
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Huawei H12-821_V1.0 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Reliability | 7% | - BFD technology - Device redundancy and link backup - VRRP protocol |
| Topic 2: IPv6 Technologies | 3% | - IPv6 routing protocols - IPv6 address structure and configuration |
| Topic 3: Multicast Technologies | 9% | - IGMP protocol - PIM protocol - Multicast basic concepts |
| Topic 4: Network Service and Management | 5% | - DHCP and DNS services - Network management and monitoring |
| Topic 5: WLAN Basics | 2% | - WLAN deployment and optimization - WLAN technology principles |
| Topic 6: Ethernet Switching Technologies | 7% | - Link aggregation and stack technology - VLAN principles and configuration - Spanning Tree Protocol |
| Topic 7: Routing and Traffic Control | 10% | - Route import and redistribution - Routing policy and filtering - Policy-based routing |
| Topic 8: IS-IS Fundamentals | 8% | - IS-IS configuration and deployment - IS-IS protocol principles |
| Topic 9: BGP Fundamentals | 17% | - BGP characteristics and working principles - BGP configuration and policy application - BGP route attributes and selection |
| Topic 10: Network Security | 8% | - ACL and packet filtering - AAA authentication - Attack defense and security policy |
| Topic 11: OSPF Fundamentals | 16% | - OSPF configuration and optimization - OSPF principles and operation mechanisms - OSPF special applications and troubleshooting |
| Topic 12: Routing Basics | 3% | - Routing concepts and classification - Routing table composition and selection rules |
| Topic 13: Network Solutions and Design | 5% | - Enterprise network design principles - Typical network architecture and solution |
Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:
Question 1
An engineer sets the CAPWAP heartbeat detection interval to 20 of the active link before an active/standby switchover occurs?
A. 90s
B. 60s
C. 75s
D. 20s
Question 2
IGMP has three versions. Different versions support different features. Which of the following features is supported by all versions?
A. Group-Specific Query message
B. Leave message
C. Specifying a multicast source
D. Report message
Question 3
During routine operation and maintenance, an engineer checks the IGMP configuration on RTA. The configuration is as follows:
Interface information of VPN-Instance: public net
GigabitEthernet0/0/1 (192.168.1.1):
IGMP is enabled
Current IGMP version is 2
IGMP state: up
IGMP group policy: none
IGMP limit: -
Value of query interval for IGMP (negotiated): -
Value of query interval for IGMP (configured): 60 s
Value of other querier timeout for IGMP: 0 s
Value of maximum query response time for IGMP: 10 s
Querier for IGMP: 192.168.1.1 (this router)
Given this, which of the following statements is false?
A. The interval for sending Group-Specific Query messages is 60s.
B. The maximum response time to Query messages is 10s.
C. The IP address of the interface is 192.168.1.1.
D. The IGMP version is IGMPv2.
Question 4
When a router running BGP is in the Connect state, BGP starts the ConnectRetry timer and waits for a TCP connection to be established. If BGP does not receive any response from a BGP peer throughout the ConnectRetry timer, BGP attempts to establish TCP connections with other BGP peers and remains in the Connect state.
A. FALSE
B. TRUE
Question 5
Which of the following routing protocols support the default route through command configuration?
A. OSPF
B. BGP
C. IS-IS
D. ICMP
Solutions:
| Question 1 Answer: B | Question 2 Answer: D | Question 3 Answer: A | Question 4 Answer: B | Question 5 Answer: A,B,C |
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