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Huawei H12-891_V1.0-ENU real dump : HCIE-Datacom V1.0
- Exam Code: H12-891_V1.0-ENU
- Exam Name: HCIE-Datacom V1.0
- Updated: Sep 17, 2026
- Q&As: 611 Questions and Answers
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Huawei H12-891_V1.0-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Network Automation and Programmability | - SDN concepts - Network automation tools and APIs |
| Topic 2: Advanced Networking Technologies | - IPv6 deployment and transition - MPLS and VPN technologies |
| Topic 3: IP Network Fundamentals | - TCP/IP and OSI model - Network architecture and protocols |
| Topic 4: Network Security | - Basic security mechanisms - Network attack prevention and isolation |
| Topic 5: Routing and Switching | - OSPF / IS-IS routing principles - BGP fundamentals and policy control |
Huawei HCIE-Datacom V1.0 Sample Questions:
Question #1
CORRECT TEXT
Regarding how the device handles messages in the MPLS network model, what is the following description of the error?
- A. LSR. Both
- B. LER and LSR are labeled.
- C. For IP packets entering the MPLS domain, the device discards them.
- D. The label forwarding path LSP is determined and established by various protocols during the forwarding of messages. There is certainly no stripping of the label on the
Correct Answer: D 🗳️
Question #2
If the Interface Sticky MAC function is enabled, what is the number of MAC addresses that the interface learns by default?
- A. 15
- B. 5
- C. 1
- D. 10
Correct Answer: C 🗳️
Question #3
There can be multiple nodes under a route -policy, different node numbers are identified by nodes, and each node can have multiple if-match and apply clauses, which of the following descriptions are wrong?
- A. The relationship between different nodes is an "and" relationship
- B. The relationship between the if-match clauses under each node is "or"
- C. There is an "or" relationship between different nodes
- D. The relationship between the if-match clauses under each node is "and"
Correct Answer: A,B 🗳️
Question #4
Cross-device link aggregation realizes the back-to-back transmission of data traffic and the mutual spare of the heap member switches, but due to the limited bandwidth of the heap cable between the heap devices, the forwarding efficiency can be improved in the following ways?
- A. Enable traffic to be forwarded locally first
- B. Configure the stacking system MAC address switching
- C. Connect the stacking device via a stacking card
- D. Enables the stacking multi-master check function
Correct Answer: A 🗳️
Question #5
A campus deployed both IPv4 and IPv6 networks for service testing, and ran IS-S to interconnect the networks. (The S-S routing protocol has good scalability and is widely used in the live network.) Regarding IS-IS extensibility, which of the following statements is true?
- A. NLPID is a new type of TLV added by IS-IS to support IPv6
- B. For IS-IS, adding new features simply adds a new TLV to
- C. In order to support IPv6, IS-IS needs to add TLV to carry IPv6 address information
- D. IS-IS uses the TLV structure to build messages, making lS-IS more flexible and extensible
Correct Answer: B,C,D 🗳️
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