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Huawei H12-891_V1.0-ENU exam dumps - HCIE-Datacom V1.0
- Exam Code: H12-891_V1.0-ENU
- Exam Name: HCIE-Datacom V1.0
- Updated: Sep 16, 2026 Q & A: 611 Questions and Answers
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Huawei H12-891_V1.0-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Advanced Routing and Switching Technology | 37% | - QoS and Security
|
| Topic 2: Network Automation | 17% | - Automation Basics
|
| Topic 3: Bearer WAN Planning and Deployment | 15% | - CloudWAN Technologies
|
| Topic 4: Campus Network Planning and Deployment | 23% | - CloudCampus Deployment
|
| Topic 5: WAN Interconnection Network Planning and Deployment | 8% | - WAN Architecture
|
Huawei HCIE-Datacom V1.0 Sample Questions:
Question #1
Router HW cannot access hosts in the remote network, router HW runs routing protocols and only pings the remote file server address 105401 on router HW with extensions through a default route remote network, the result of ping on the router HW is rendered as 'requ.' est time out', according to the above description, the error in the following analysis is?
- A. ICMP packets, but the destination device fails to reply
- B. Ping is successful, but congestion occurs on the path to the destination address
- C. There is a firewall in the remote destination network, and the destination address can be reached without releasing ICMP traffic
- D. The next hop router for router HW did not reach the destination address
- E. Router HW does not have a legitimate router to reach the destination address
Correct Answer: E 🗳️
Question #2
Which of the following options is described correctly for the assertion mechanism? (Radio).
- A. In the assertion mechanism, the winner is responsible for forwarding multicast data to the broadcast segment
- B. In the assertion mechanism, the loser will shut down the interface with the broadcast network necklace
- C. Winner's election process does not make IP address size a condition of the election
- D. The assertion mechanism is used for the election of DR
Correct Answer: A 🗳️
Question #3
CORRECT TEXT
As shown in the figure, the overload bit of ISIS is set in the configuration of router R3, and the following statement is correct
- A. When the router runs out of memory, the system automatically sets the overload flag bit in the sent LSP packets. Irrelevant to whether the user has a set-overload command configured.
- B. R3 will not be able to spread to R1 and R2
- C. R3's direct route will be ignored by R1 and R2 because of the setting of the overload bit.
- D. R3 through import-route will not be published.
- E. R3 initiates the load state, and R1 and RZ will not calculate the LSP of R3 cattle in the SP tree.
Correct Answer: A,D 🗳️
Question #4
In MPLSVPN, in order to distinguish between IPv4 prefixes that use the same address space, the RD value is added to the IPv4 address, and the following options are described correctly as?
- A. RD can be used to control the publication of VPN routing information
- B. RD is encapsulated in the Update message as an extended community attribute of BGP during delivery
- C. On a PE device, each VPN instance corresponds to an RD value, and the RD value must be unique on the same PE device
- D. After the PE receives an IPv4 route from CE, it adds an RD to the route to IPv4 that translates to a globally unique VPN-IPv4 route and publishes it on the public network
Correct Answer: C 🗳️
Question #5
S-4S supports multi-instance and multi-process, that is, on an IS-IS router, multiple VPN instances can be configured to associate with multiple IS-S processes, the following description of IS-IS multi-instance and multi-process, which are correct?
- A. 1 IS-IS processes can only be associated with 1 VPN instance
- B. If an IS-IS router creates multiple IS-IS processes, each process is independent of each other
- C. 1 IS-IS processes can be associated with several different VPN instances
- D. 1 VPN instances can be associated with several different IS-IS processes
Correct Answer: A,B,D 🗳️
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