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Huawei H31-211 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| MPLS & VPN Basics | 15% | - L3VPN and L2VPN overview - MPLS architecture and label forwarding - LDP protocol fundamentals |
| Carrier-Grade IP Routing Technologies | 25% | - BGP protocol basics and attributes - Routing policy and route control - Static routing principles and configuration - OSPF protocol fundamentals and deployment |
| QoS & Network Security | 10% | - Traffic classification and policing - Basic access control and security policies - Queuing and congestion management |
| IP Network Fundamentals | 20% | - Common network protocols and applications - IPv4 addressing and subnetting - TCP/IP protocol architecture - IPv6 basics and addressing |
| Carrier Ethernet & Switching | 20% | - Link aggregation and STP - Carrier Ethernet service models - QinQ and VLAN mapping - VLAN principles and configuration |
| Network Operation & Maintenance | 10% | - Device management and configuration - Fault diagnosis and troubleshooting - Performance monitoring and maintenance |
Huawei HCNA - Carrier IP Sample Questions:
Which of the following statements about DR in an OSPF network is correct? (multiple choice)
- A. DR is selected only in NBMA or broadcast networks.
- B. There must be a DR in an OSPF area.
- C. DR must be negotiated between routers in accordance with the provisions of the agreement
- D. Only the router with the highest priority in the network can become the DR.
Correct Answer: A,C 🗳️
What are the advantages of SSH compared to Telnet? (multiple choice)
- A. Based on UDP connection, suitable for large-scale use
- B. All transmitted data can be encrypted to avoid "man in the middle" attack
- C. Ability to prevent DNS and IP spoofing
- D. The transmitted data is compressed, so it can speed up the transmission.
Correct Answer: B,C,D 🗳️
Which of the following techniques must be supported to complete route aggregation?
- A. NAT
- B. DNS
- C. VLSM
- D. CIDR
Correct Answer: D 🗳️
What are the correct descriptions of the working principle of the Layer 2 Ethernet switch in the following options? (Multiple choice)
- A. All data frames on the network segment connected to the receiving port
- B. Establish a MAC address table by using the destination MAC address in the received data frame.
- C. Look up the destination MAC address in the data frame in the MAC address table, send the data frame to the corresponding port if it is found (excluding the source port); if not found, go to all ports except the source port send
- D. Address table maintenance using the address aging mechanism
Correct Answer: A,C,D 🗳️
Which of the following is true about ping and Tracert? (multiple choice)
- A. Both ping and tracert can test the path through which the target node is reached.
- B. Both ping and tracert use ICMP packets.
- C. Both ping and tracert can detect link connectivity
- D. The packets sent by ping and tracert are the same.
Correct Answer: B,C 🗳️
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