Huawei H12-891_V1.0-ENU : HCIE-Datacom V1.0
- Exam Code: H12-891_V1.0-ENU
- Exam Name: HCIE-Datacom V1.0
- Updated: Sep 09, 2026
- Q & A: 611 Questions and Answers
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Huawei H12-891_V1.0-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Routing and Switching | - BGP fundamentals and policy control - OSPF / IS-IS routing principles |
| IP Network Fundamentals | - TCP/IP and OSI model - Network architecture and protocols |
| Network Automation and Programmability | - SDN concepts - Network automation tools and APIs |
| Network Security | - Basic security mechanisms - Network attack prevention and isolation |
| Advanced Networking Technologies | - MPLS and VPN technologies - IPv6 deployment and transition |
Huawei HCIE-Datacom V1.0 Sample Questions:
Users within a typical VPN can only communicate with each other, not with Internet users, and with Internet. But VPN individual sites may have access to internet's needs. The correct description of the implementation of VPN interconnection with internet is? (Multiple choice questions).
- A. Implemented on the user side, the implementation method is simple, and the public network and private network routes are isolated, safe and reliable.
- B. is implemented on the user side, and the CE is directly connected to the Internet. Each user site can be connected to the Internet separately, that is, the CE of each site is configured with a default route to the Internet.
- C. Implemented on PE, the PE device issues a default route to the CE to the Internet and adds a default route to the VPN instance routing table pointing to the Internet Gateway o
- D. Implementing a complex implementation on PE and having security implications, PE devices may be subject to Dos attacks on the Internet.
Configure queue-based traffic shaping, which defaults to tailing if the queue length exceeds the cache size
- A. True
- B. False
A home user has opened a 1Mb/s bandwidth, and in order to improve the user experience, the operator can stabilize 2Mb/s when measuring speed If we use the listening bucket technology to achieve this requirement, which of the following methods is optimal.
- A. cir 8000 pir 12000
- B. cir 10000 pir 12000
- C. cir 10000 cbs 10000 pbs 12000
- D. cir 10o00 cbs 12000 pbd 12000
The DHCP protocol assigns to clients-some TCPIP-related parameter information-in the process DHCP defines a variety of messages that are encapsulated at the transport layer :(sortic).
- A. PPP package
- B. TCP Encapsulation
- C. UDP Encapsulation
- D. IP encapsulation
Router RI and Router R2 run BGP. Both routers are in the AS65234. The route for router R2 exists in the BGP routing table of the router RI, but not in the IP routing table of the router RI . So what causes the problem to occur? (Single Choice Questions).
- A. Routing is not optimal
- B. The BGP neighbor relationship is Down
- C. Router R1 does not enable BGP Multi-hop
- D. Synchronization is turned off
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