Real Huawei H12-891_V1.0-ENU practice exam questions for easy pass!
Last Updated: Jul 25, 2026
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| Section | Weight | Objectives |
|---|---|---|
| Network Planning, Operations and Maintenance | 10% | - Operations and Maintenance
|
| Advanced Datacom Technologies and Applications | 35% | - Advanced Switching
|
| Campus Network Solution | 25% | - Campus Network Design
|
| Network Automation and Programmability | 15% | - Automation Technologies
|
| Datacom Basic Knowledge | 15% | - Network Architecture
|
1. As shown in the following figure, a part of the LSDB LSDB of a router LSDB is shown in the first one in the following figure. A new LSP has been received, the second one in the figure below, and the following statement is incorrect (single choice).
A) If it is a point-to-point network, the router will send PSNP
B) In the case of a broadcast network, DIS will include summary information for this LSP in the next CSNP message.
C) this router will put the newly received LSP into the LSDB
D) This router ignores LSPs received from neighbors
2. When deploying BGP/MPLS IPVPN, OSPF's VPN route tag is not present
The extended properties of MP-BGP are passed only locally, only locally, and only meaningful on routers that receive MP-BGP routes and generate OSPF LSAs.
A) FALSE
B) TRUE
3. Regarding the characteristics of CE double attribution, the description is wrong with?
A) VRFs of two PEs connected to the same CE can belong to different VPNs.
B) CE accesses the backbone through two links that can be used as both load sharing and primary and standby links.
C) CE and PE form a CE dual-home network, which can ensure high network availability.
D) In the CE dual home network, it is possible to generate loops, and you can use route-tag to solve the loop problem.
4. The HTTP protocol is based on TCP, so http Flood attacks can be defended against HTTP Flood attacks using the TCP Flood attack prevention method.
A) True
B) False
5. IPV6 multicast introduces the concept of multicast scope, which of the following ways is the multicast scope concept implemented? Multi-select
A) During network configuration, the administrator uses the configuration command at the edge of the network to limit the multicast scope.
B) There is a special field in the IPv6 multicast address that specifies the propagation range of multicast.
C) When the group shake source sends IP6 multicast data, the TTL value of the packet is set to limit the transmission range of the group shake
D) Multicast scope is just a concept of spreading scope, and there is no specific technical implementation.
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: B | Question # 3 Answer: A | Question # 4 Answer: B | Question # 5 Answer: A,B |
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