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 #1

Which of the following BGP attributes are not required to be included in the Update message of BGP routing? (Multiple choice)

A. Local-Preference

B. Origin

C. AS_PATH

D. MED

Discussion 0

Correct Answer: A,D Vote an answer

Question #2

According to the configuration shown in the figure below, you can know that R4 has ____ interfaces that are advertised into IS-IS?

A. 2

B. 1

C. 3

D. 0

Discussion 0

Correct Answer: C Vote an answer

Question #3

A campus deploys OSPF to achieve network interoperability. An engineer configures R2 as shown in the figure. What is wrong with the following description of LSA in the OSPF network?
[R2] acl 2000
[R2-acl-basic-2000] rule deny
[R2-acl-basic-2000] quit \
[R2] ospf
[R2-ospf-1] area 1
[R2-ospf-1-area-0.0.0.1] filter 2000 import
[R2-ospf-1-area-0.0.0.1] quit
[R2-ospf- 1] default-route-advertise always

A. There is Type5 LSA universal method in Area2

B. There is no Type3 LSA flooding in Area1

C. There is Type5 LSA flooding in Area1

D. There is no Type 3 LSA flooding in Area 2

Discussion 0

Correct Answer: B Vote an answer

Question #4

What are the differences between traffic policing and traffic shaping? (Multiple Choice)

A. For traffic policing, you can adjust the usage of the cache for traffic exceeding CIR.

B. For traffic shaping, the router will buffer excess packets until the bandwidth is available again.

C. Traffic policing uses the token bucket algorithm, and traffic shaping uses the SPD algorithm.

D. For traffic shaping, you can adjust the usage of the buffer for traffic exceeding CIR.

E. Apply traffic shaping in the direction of the entrance and use traffic policing in the direction of the exit.

Discussion 0

Correct Answer: B,D Vote an answer

Question #5

Regarding the BGP anti-ring mechanism, which of the following description is correct? (Multiple Choice)

A. Use the AS_PATH attribute between autonomous systems to prevent loops.

B. Routes learned from IBGP are not advertised to IBGP neighbors to prevent routing loops within the AS.

C. The Cluster List attribute is used for the anti-ring in the reflector cluster. If the router discovers that the cluster list of the route entry contains its own cluster ID, it will reject the route.

D. You can use the AS_CONFED_SET attribute to prevent loops within the federation.

Discussion 0

Correct Answer: A,B,D Vote an answer

Question #6

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

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

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

Discussion 0

Correct Answer: D Vote an answer

Question #7

Which version of the VRRP protocol is correct? (Multiple questions)

A. VRRPv2 is only applicable to IPv4

B. VRRPv3 is only applicable to IPv6

C. VRRPv2 supports authentication

D. VRRPv3 does not support authentication

Discussion 0

Correct Answer: A,C,D Vote an answer

Question #8

After the BGP connection is successful, then down, what are the reasons for the impossible?

A. Received incorrect BGP packets.

B. Open packet negotiation failed.

C. The mandatory attribute in the routing update message is lost.

D. After the BGP connection is established, the keepalive packet is not received within the negotiated holdtime.

Discussion 0

Correct Answer: B Vote an answer

Question #9

In which of the following scenarios will send free ARP packets? (Multiple Choice)

A. After the DHCP client receives the confirmation message sent by the server

B. After the VRRP protocol master and backup role election is completed.

C. When a new host configured with an IP address is connected to the network

D. When a host connected to the switch sends a Ping packets.

Discussion 0

Correct Answer: A,B,C Vote an answer

Question #10

Regarding the characteristics of CE dual-homing, which of the following statement is incorrect?

A. The VRFs of two PEs connected to the same CE can belong to different VPNs.

B. CE accesses the backbone network through two links. These two links can be used for load sharing or as active and standby links.

C. CE and PE form a CE dual-homing network, which can ensure high network availability.

D. In CE dual-homing networking, loops may occur, and route-tags can be used to solve loop problems.

Discussion 0

Correct Answer: A Vote an answer

Question #11

In Huawei devices, when ISIS imports external routes and sets external route tags for routing information, the metric type of ISIS does not need to be modified, just keep the default.

A. False

B. True

Discussion 0

Correct Answer: A Vote an answer

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