Online Access Free Huawei.H12-261_V3.0-ENU.v2022-08-27.q105 Practice Test (Page 5)

H12-261_V3.0-ENU Exam Question 16

An engineer uses two routers to test IPv6 services, and simulates the interconnection between headquarters and branches by running BGP4+.

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

A.When routing is transmitted, it will carry recognized mandatory attributes such as AS_Path

B.BGP4+ transmits routing information between peers through Update packets

C.When routing, the Next_Hop attribute must be an IPv6 global unicast address

D.If the Update message carries the MP_REACH_NLRI attribute, it means that the advertised route is reachable

H12-261_V3.0-ENU Exam Question 17

As the description of MPLS, which of the following is wrong?

A.MPLS supports multi-layer tag nesting, the S-bit value of the innermost tag is 1.

B.In the TTL processing mode of the Pipe mode, IP packets are transmitted on the MPLS network. The TTL value of the IP packets is reduced by 1 in the MPLS ingress node and the egress node respectively.

C.The label space range of dynamic signaling protocols such as LDP and MP-BGP is 16-1023.

D.The length of the MPLS label is 20 bits and is used for packet forwarding.

H12-261_V3.0-ENU Exam Question 18

How does the IGMPv2 router maintain the network segment group membership? (Multiple choice)

A.The router maintains a timeout timer for each group membership, refreshes the timer if it receives the receiver host, and deletes the group membership if the timer expires

B.The router will query a specific group

C.The router periodically sends Query messages. The receiver host reports the Report message after receiving the Query message.

D.After receiving the leave message, the router immediately deletes the group membership

H12-261_V3.0-ENU Exam Question 19

Regarding the configuration of the security level of the firewall security zone, which of the following statement is wrong?

A.Once the security level is set, it is not allowed to change

B.In the same system, two security zones are not allowed to configure the same security level

C.The security level can only be set for the custom security zone

D.The newly created security zone, the system defaults its security level to 1

H12-261_V3.0-ENU Exam Question 20

IS-IS supports multi-instance and multi-process, that is, on an IS-IS router, multiple VPN instances can be configured to be associated with multiple IS-IS processes. Which of the following descriptions of IS-IS multi-instance and multi-process are correct? (Multiple choice)

A.One IS-IS process can only be associated with one VPN instance

B.If an IS-IS router creates multiple IS-IS processes, each process does not affect each other and is independent of each other

C.A VPN instance can be associated with multiple different IS-IS processes

D.One IS-IS process can be associated with multiple different VPN instances

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H12-261_V3.0-ENU Exam Question 16

H12-261_V3.0-ENU Exam Question 17

H12-261_V3.0-ENU Exam Question 18

H12-261_V3.0-ENU Exam Question 19

H12-261_V3.0-ENU Exam Question 20

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