Huawei H12-261_V3.0-ENU Actual Free Exam Questions & Community Discussion

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: Jun 30, 2026

Question #19

Compared with the OSPFv2 message header, what fields are added in the OSPFv3 message header?

A. IPv6 Auth Type

B. Link ID

C. Instance ID

D. IPv6 Router ID

Discussion 0

Correct Answer: C Vote an answer

Question #20

Which of the following statements about OSPF and IS-IS is wrong?

A. Both OSPF and IS-IS support area division

B. Both OSPF and IS-IS are link state protocols

C. Both OSPF and IS-IS use Hello messages to establish and maintain neighbor relationships

D. Both DR and BDR need to be elected in the broadcast network

Discussion 0

Correct Answer: D Vote an answer

Question #21

You want to set the DSCP value of VOIP traffic in the HW network device to EF.
According to the regional service model RFC, the traffic marking EF should be set as:

A. DSCP is set to decimal 36

B. IP ToS is set to 0xEF

C. DSCP is set to decimal 5

D. Bitstream 101110

Discussion 0

Correct Answer: D Vote an answer

Question #22

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. R1 can learn the loopback route of R2 normally.

C. R3 cannot learn the loopback route of R2.

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

Discussion 0

Correct Answer: C,D Vote an answer

Question #23

How do 802.1w and 802.1D handle BPDU?

A. The 802.1D bridge only forwards BPDU packet received from the root bridge.

B. The 802.1W bridge does not forward BPDU packet.

C. The 802.1D bridge does not forward BPDU packet.

D. The 802.1w bridge only forwards BPDU packet received from the root bridge.

Discussion 0

Correct Answer: A Vote an answer

Question #24

Which descriptions are correct about the BGP reflector? (Multiple Choice)

A. The route reflector can advertise the routes learned from the non-client to all clients.

B. The route reflector can advertise all clients and non-clients from routes learned from IBGP neighbors.

C. IBGP neighbor relationships need to be fully interconnected without a route reflector. The introduction of route reflectors can reduce the requirements for full interconnection

D. The route reflector can advertise other clients and non-clients from the routes learned from one client.

Discussion 0

Correct Answer: A,C,D Vote an answer

Question #25

About the description of MPLS lable related information, which of the following is wrong?

A. If the bottom mark of the label is S=0, it indicates that the label is the bottom label and directly performs IP forwarding.

B. The length of the MPLS label is 4 bytes and it is encapsulated between the link layer and the network layer.

C. When the tag value is 0, it indicates that the tag should be ejected, and the packet must be forwarded based on IPv4.

D. By default, the device supports the PHP feature, and the label value of the egress node supporting PHP which is allocated to the penultimate hop node is 3.

Discussion 0

Correct Answer: A Vote an answer

Question #26

Which of the following information can be included in a basic network layer packet? (Multiple choice)

A. Network layer header

B. Data link layer header

C. Network layer tail

D. Upper layer data

E. Path record

Discussion 0

Correct Answer: A,D Vote an answer

Question #27

Which of the following statements about the BFD single-arm echo function are correct? (Multiple Choice)

A. BFD single-arm echo function is applicable to scenarios where one device supports BFD and the other device does not.

B. After the BFD single-arm echo function is enabled, the destination IP and source IP of the BFD packets are the same.

C. The default destination IP address of the BFD single-arm echo function protocol packet is 224.0.0.184.

D. The BFD single-arm echo function must be configured with a local identifier and a remote identifier.

Discussion 0

Correct Answer: A,B Vote an answer

Download Free Huawei H12-261_V3.0-ENU Demo

Simply submit your e-mail address below to get started with our free demo of your Huawei H12-261_V3.0-ENU exam.