Huawei H12-831-ENU : HCIP-Datacom

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Huawei H12-831-ENU Exam Syllabus Topics:

Huawei HCIP-Datacom Sample Questions:

Question 1

As shown in the figure, configure a backhaul summary route 10.0.0.0/24 on border route R1.

The next hop points to R2. At the same time, the default route to the external network is configured. At this point, routing black holes will appear. Which of the following statements about routing black holes is correct? (Multiple choice)

A. Precise routing summary can avoid routing black hole
B. Routing black hole has no effect on the network and can be ignored
C. If the terminal in the network sends data packets to the network segment that does not appear on the internal network, a loop will occur
D. Configuring black hole routing can solve the routing black hole problem

Question 2

An engineer uses two routers to test IPV6 services, and simulates the interconnection between the headquarters and branches by running BGP4+.

The logical topology of the network is shown in the figure. Regarding the transmission of IPv6 routes between the two-way devices, which of the following statements is false?

A. Route transmission will carry recognized mandatory attributes such as AS Path
B. When routing is delivered, the Next Hop attribute must be an IPv6 global unicast address
C. BGP4+ transmits routing information between peers through Update packets
D. If the Update packet carries the AP REACH NLRI attribute, it means that the advertisement is a reachable route

Question 3

Which of the following BGP routing attributes cannot control BGP routing?

A. MED
B. Originator ID
C. Community
D. AS Path

Question 4

A campus has deployed IPv6 for service testing. There are 4 routers in the network, running OSPFV3 to realize the interconnection of IPv6 networks. As shown in the figure, an engineer checked the LSDB of R2 and intercepted one of the Link-LSAs.

Which of the following statements about the description of LSA is true? (Multiple choice)

A. The address prefix of the R2 interface GE0/0/0 IPv6 is 2001
B. The router that generated this LSA is R2
C. The LSA shows that R2 does not support external routing, but participates in IPv6 routing calculation
D. The link-local address of R2 interface GE0/0/0 is: FE80

Question 5

What shortcomings can RED technology solve?

A. TCP starvation phenomenon
B. TCP global synchronization phenomenon
C. Indiscriminate discard

Solutions: