Huawei : H12-891_V1.0-ENU Questions & Answers
Updated: Jul 31, 2026
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Huawei H12-891_V1.0-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Network Automation and Programmability | - Network automation tools and APIs - SDN concepts |
| Topic 2: Network Security | - Basic security mechanisms - Network attack prevention and isolation |
| Topic 3: Routing and Switching | - BGP fundamentals and policy control - OSPF / IS-IS routing principles |
| Topic 4: IP Network Fundamentals | - Network architecture and protocols - TCP/IP and OSI model |
| Topic 5: Advanced Networking Technologies | - IPv6 deployment and transition - MPLS and VPN technologies |
Huawei HCIE-Datacom V1.0 Sample Questions:
1. What are the following correct statements about MUX VLANs? (Multiple select).
A) Separate VLANs can communicate with all VLANs within a MUX VLAN
B) The Principal VLAN can communicate with all VLANs within the MUX VLAN
C) Each Group VLAN must be bound to a Principal VLAN
D) Each Separate VLAN must be bound to a Principal VLAN
2. What are the common ways to learn routing in BGP? (Multi-select)
A) receives neighbor routing information
B) BGP routing for other AS is introduced
C) Introduced Direct Route
D) Introduce static routes
3. The following description of the attributes of BGP is correct? Radio
A) The AS number of the adjacent AS, ranked to the far right of the list of AS_Path in the BGP route entry.
B) A route can have only one community attribute value.
C) Local_Pref is valid only between EBGP peers and is not advertised to third-party AS
D) When a BGP Speaker publishes a route learned from an EBCP peer to an IBGP peer, it does not change the next hop attribute of that routing information.
4. The following statement about the NSSA area is correct (multiple choice).
A) In the NSSA area where the OSPF neighbor sends hello packets, the N position 0, E within the option field Position 1
B) In the OSPF neighbor in the NSSA region sends hello packets, position 1 within the option field, position E
C) The NSSA zone must automatically generate a default LSA to access the external network
D) The NSSA zone generates a Category VII LSA to advertise external routing, and the FA address in the Category VII LSA acts to prevent loops
5. ??? aggregate ipv4-address { mask/masklength }[as-set lattribute-policy route-policy-namel ldetail-suppressedlorigin-policy route- in policy-name2[suppress3policy route-policy-name3], multiple parameters can be used to influence summary routes and their results. The correct description about the command is? (Multiple choice questions).
A) If As-set is configured, the A S_PATH of the aggregate route contains ass path information for all specific routes in case the route loop is blocked
B) If You configure. The Interface-policy, you can change the properties of the aggregate route
C) If Origin-policy is configured, only detail routes that match Route-policy can participate in aggregation
D) If Suppress-policy is configured, aggregate routes are also generated, and the if-match clause in Route-policy is used to pick suppressed detail routes. Detail routes that match Route-policy are still advertised to other BGP neighbors
Solutions:
| Question # 1 Answer: B,C,D | Question # 2 Answer: A,C,D | Question # 3 Answer: D | Question # 4 Answer: B | Question # 5 Answer: A,B,C |
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