Free Huawei H12-261_V3.0-ENU Practice Test & Real Exam Questions

Exam Code/Number: H12-261_V3.0-ENU
Exam Name/Title: HCIE-Routing & Switching (Written) V3.0
Certification Provider: Huawei
Corresponding Certification: HCIE-R&S

Exam Questions: 485
Updated On: Aug 14, 2026

Question #34

About BGP Union, which of the following description is wrong?

A. Sub-autonomous systems in the alliance can use private AS numbers. For Huawei NE/AR routers, an alliance can configure up to 32 sub-autonomous systems.

B. The alliance divides an AS into several sub-ASs, and the AS outside the alliance still considers the alliance to be an AS.

C. Alliance sub AS number, other than the default notice to the Union BGP peers.

D. Union can easily be detected AS routing loop inside, because the sub- AS operation is between the EBGP.

Discussion 0

Correct Answer: C Vote an answer

Question #35

Enable SSM on the entire IP multicast network.
Which of the following statements about SSM are correct? (Multiple Choice)

A. Only RPT is used for SSM.

B. Only SPT is used for SSM.

C. SSM is recommended when there are multiple sources on the network and multicast routing is simple.

D. SSM is suitable for one-to-many application

E. No RP is required.

Discussion 0

Correct Answer: B,D,E Vote an answer

Question #36

One BD in VXLAN can correspond to multiple VNIs.

A. False

B. True

Discussion 0

Correct Answer: A Vote an answer

Question #37

What is LSA for the flooding scope of the entire autonomous system in the OSPFv3?

A. Inter Area-Prefix-LSA

B. Link-LSA

C. Intra-Area-Pre fir-LSA

D. AS-external-LSA

Discussion 0

Correct Answer: D Vote an answer

Question #38

The data result of a certain router is as shown in the figure below. According to this analysis, which conclusion is correct?

A. The GE0/0/0 port of R3 and the neighbor are in different areas.

B. R3 is a Level-1 and Level-2 DIS on the link where Eth0/0/0 is located.

C. Eth0/0/1 of the R3 router is enabled with both IPv4 and IPv6 ISIS.

D. The circuit-level of Eth0/0/1 of the R3 router is Level-1-2.

Discussion 0

Correct Answer: D Vote an answer

Question #39

Which of the following is true about the ISIS LSP fragmentation extension?

A. ISIS fragmentation extensions are equally valid for Hello packets.

B. Enable the ISIS router to generate more LSP fragments to carry more ISIS information.

C. ISIS fragmentation extensions are achieved by adding virtual systems, which can be expanded to a maximum of 1000 virtual systems.

D. The maximum number of fragments that ISIS router can generate is 1024.

Discussion 0

Correct Answer: B Vote an answer

Question #40

In an MPLS BGP VPN network that does not enable the MPLS penultimate hop pop-up technology, when the message reaches the last hop PE, the message has two layers of labels, and the two layers of label values can be the same.

A. TURE

B. FALSE

Discussion 0

Correct Answer: A Vote an answer

Question #41

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

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

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

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

Discussion 0

Correct Answer: A Vote an answer

Question #42

Which TLV does IS-IS use to describe the IP Interface Address?

A. 131

B. 132

C. 128

D. 129

Discussion 0

Correct Answer: B Vote an answer

Question #43

Which of the following configuration of OSPFv3 route aggregation is correct?

A. [Huawei]ospfv3 1 [Huawei-ospfv3-1] asbr-surmary fc00: 0: 0: : 48 3 cost 20 tag 100

B. [Huawei]ospfv3 1 [Huawei-ospfv3-1] abr-surmary fc00: 0: 0: : 48 cost 400

C. [Huaweilospfv3 1 [Huawei-ospfv3-1] area 1 [Huawei-ospfv3-1-area-0.0.0.1] asbr- sumary fc00: 0: 0: : 48 cost 20 tag 100

D. [Huawei] ospfv3 1 [Huawei-ospfv3-1] area 1 [Huawei-ospfv3-1-area-0.0.0.1] abr- summary fc00: 0: 0:: 48 cost 400

E. [Huawei] interface gigabitethernet 1/0/0 [Huawei-GigabitEthernet1/0/0] asbr-surmary fc00: 0: 0: : 48 cost 20

Discussion 0

Correct Answer: A,D Vote an answer

Question #44

A company has built an OSPF network as shown in the following figure. The links form an OSPF neighbor relationship. All devices have announced their own loopback address. On one day, the S1-R2 and S2-R1 links are faulty. Which of the following description is correct? (Area 0 is split) (Multiple choice)

A. R3 can learn the loopback route of R2 normally.

B. R3 cannot learn the loopback route of R2.

C. R1 can learn the loopback route of R2 normally.

D. R5 can learn the loopback route of R2 normally.

Discussion 0

Correct Answer: B,D Vote an answer

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