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Huawei H12-891_V1.0 Exam Syllabus Topics:

Huawei HCIE-Datacom V1.0 Sample Questions:

1. Which of the following statements about SR-MPLS Policy path planning are correct?

A) When planning paths based on delay, you must deploy TWAMP or iFIT in advance to measure real-time network delay.
B) When statically planning SR-MPLS Policy paths, you can plan load balancing for the primary path.
C) When planning paths based on bandwidth, you need to set the available bandwidth of each interface in advance.
D) If you use the controller to plan SR-MPLS Policy paths, only primary and backup paths can be deployed, and load balancing cannot be implemented for the primary path.

2. Man-in-the-middle attacks (MITM) or IP/MAC Spoofing attacks are common on intranets and can cause information leakage.
Which configuration method can prevent these attacks?

A) Configure the trusted or untrusted interface.
B) Configure association between DHCP snooping and IPSG or DAI on the switch.
C) Limit the maximum number of MAC addresses that can be learned on a switch interface.
D) Configure DHCP snooping to check the CHADDR field carried in a DHCP Request packet.

3. In OSPFv3, which of the following types of LSAs can be flooded in the entire AS?

A) AS-external-LSA
B) Intra-Area-Prefix-LSA
C) Inter-Area-Prefix-LSA
D) Link-LSA

4. In 6PE networking, the shared explicit null label function can be enabled on routers to reduce the number of required MPLS labels. With this function, a router assigns a label with the value (enter only digits) to all 6PE routes.
0In 6PE (IPv6 over MPLS for Provider Edge), the shared explicit null label value is 0. When this function is enabled, the PE router assigns label 0 (IPv4 Explicit Null) to all IPv6 routes, reducing the label space consumption. This is known as label 0 reuse for IPv6 forwarding over MPLS.Exact Extract - HCIE-Datacom IPv6/MPLS Integration Section:"To optimize label usage in 6PE deployments, shared explicit null label (label 0) can be assigned to all 6PE routes."

5. Which of the following number sequences can be matched by the regular expression 100.s?

A) 100
B) 10000
C) 1000
D) 1001

Solutions: