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Huawei H12-821_V1.0-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: MPLS and VPN Technologies | - MPLS Architecture and Label Switching - L2VPN and L3VPN Deployment |
| Topic 2: Network Services and QoS | - QoS Mechanisms and Traffic Management - Network Reliability and Redundancy |
| Topic 3: IP Network Fundamentals | - TCP/IP Model and Networking Principles - IPv4 and IPv6 Addressing |
| Topic 4: Routing Protocols | - BGP Basics and Policy Control - OSPF Implementation and Optimization - IS-IS Fundamentals |
| Topic 5: Network Management and Automation | - Basic Network Automation Concepts - Network Monitoring and O&M Tools |
Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:
Which description of the LACP protocol is correct? (Multiple choice)
- A. The devices at both ends determine the active interface according to the LACP priority and interface ID of the passive interface
- B. Based on IEEE802.3au standard.
- C. The devices at both ends determine the active end according to the system LACP priority and system
- D. Exchange information with the peer through LACPDU (Link Aggregation Control Protocol Data Unit)
Correct Answer: C,D 🗳️
When a routing protocol implements route import, routing information can be transferred between different routing protocols. Which of the following problems may also be caused? (Multiple choice)
- A. Routing loop
- B. Routing black hole
- C. Suboptimal path
- D. Process number conflict
Correct Answer: B,D 🗳️
Which of the following descriptions of OSPF's own anti-environment measures are correct? (Multiple choice)
- A. Routers in the same area calculate a loop-free shortest path tree with itself as the root based on LSDB.
- B. Only one ABR is allowed between the OSPF backbone area and non-backbone area.
- C. ASBR is not allowed to exist in the OSPF backbone area
- D. OSPF's LSA flooding has a maximum of 16 hops. If it exceeds 16 hops, the LSA will be discarded.
- E. When OSPF divides areas, it stipulates that all non-backbone areas must be directly connected to the backbone area, and communications between non-backbone areas must pass through the backbone area.
Correct Answer: A,E 🗳️
Among the following VPN technologies, which one is likely to cause two IP packet headers in one packet? (Multiple choice)
- A. GRE
- B. L2TP
- C. IPsec VPN
- D. SSL VPN
Correct Answer: A,B,C,D 🗳️
When the BFD detection intervals at both ends are 30ms and 40ms respectively, which of the following option descriptions is correct?
- A. The bfd can be established, take 30ms after negotiation
- B. The bfd session can be established, and each can be sent at intervals according to its own time
- C. The bfd session can be established, take 40ms after negotiation
- D. The bfd session cannot be established
Correct Answer: C 🗳️
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