Free Practice Huawei H12-821_V1.0 Exam Questions 2025

Stay ahead with 100% Free HCIP-Datacom-Core Technology V1.0 H12-821_V1.0 Dumps Practice Questions

Page: 1 / 53

Total 265 Questions | Updated On: Jun 04, 2025

Add To Cart

Question 1

On an OSPF network, an algorithm is used to prevent loops within an area, but loops may occur between areas. Therefore, OSPF defines a loop prevention mechanism for inter-area routes. Which of the following statements are true about the loop prevention mechanism?

A : Inter-area routes cannot be directly transmitted between non-backbone areas.

B : All non-backbone areas must be directly connected to area 0.

C : Inter-area routes need to be forwarded through area 0.

D : An ABR cannot inject Type 3 LSAs that describe routes to a network segment in an area back to the same area.

Answer: A,B,C,D

Question 2

Multicast applies to any point-to-multipoint data transmission. Which of the following types of application data can be forwarded in multicast mode?

A : Real-time audio conferencing

B : Livestreaming

C : Network TV

D : Data warehouse

Answer: A,B,C

Question 3

A router uses an advanced ACL to filter data. The ACL configuration is shown below. Which of the following statements is false about the configuration? csharp CopyEdit [Huawei] acl 3001 [Huawei-acl-adv-3001] rule permit icmp source 192.168.1.3 0 destination 192.168.2.0 0.0.0.255

A : The ACL permits ICMP packets from host 192.168.1.3 to host 192.168.2.200.

B : The ACL denies ICMP packets from host 192.168.1.2 to network segment 192.168.2.0/24.

C : The ACL permits IP packets from host 192.168.1.3 to network segment 192.168.2.0/24.

D : The ACL is a numbered ACL whose number is 3001.

Answer: C

Question 4

The BFD Echo function checks the connectivity of the forwarding link by looping back packets. Which of the following statements are true about this function?

A : If URPF is enabled on the peer end, BFD packets may be incorrectly discarded on the peer end.

B : In the BFD Echo function, the device uses the IP address of the outbound interface as the source IP address by default.

C : The BFD Echo function applies only to single-hop BFD sessions.

D : When configuring a BFD session supporting the BFD echo function, you need to configure both the local and remote discriminators.

Answer: A,B

Question 5