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Huawei H12-821_V1.0 Exam Syllabus Topics:

Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:

1. As shown in the figure, R1 imports the direct route 10.1.1.0/24 to OSPF. An engineer enables bidirectional route re-advertisement on R2 and R3, and configures the following commands on R3. After the network becomes stable, which of the following is the Pre value of the route 10.1.1.0/24 in the routing table of R4?

[R3]acl 2000
[R3-acl-basic-2000] rule permit source 10.1.1.0 0
[R3-acl-basic-2000] quit
[R3]route-policy hcip permit node 10
[R3-route-policy-10] if-match acl 2000
[R3-route-policy-10] apply preference 14
[R3-route-policy-10] quit
[R3]ospf 1
[R3-ospf-1] preference ase route-policy hcip

A) 14
B) 15
C) 150
D) 10

2. On a broadcast network, IS-IS elects a DIS, and OSPF elects a DR. Which of the following statements are true about the differences between a DIS and a DR?

A) The DIS and DR are elected according to different rules. In DIS election, devices first compare priorities and then IP addresses. In DR election, devices first compare IP addresses and then priorities.
B) DIS election and DR election take place at different times. The DIS is elected after an adjacency is established.
C) The DIS and DR provide different functions. The DIS is mainly used to create and update pseudonodes.
D) Adjacency establishment in a DIS scenario is different from that in a DR scenario. In IS-IS, adjacencies are also established between non-DIS routers.

3. ACLs are a common tool for matching routes. ACLs are classified into multiple types based on ACL rule functions. An ACL can be identified by a number, and the number range for each type of ACLs is different.
Which of the following type of ACLs are numbered from 4000 to 4999?

A) Layer 2 ACL
B) User-defined ACL
C) Advance ACL
D) Basic ACL

4. During routine O & M , the administrator checks the IGMP configuration on a router interface. The configuration is as follows:
< RTA > display igmp interface
Interface information of VPN-Instance: public net
GigabitEthernet0/0/1(192.168.1.1):
IGMP is enabled
Current IGMP version is 2
IGMP state: up
IGMP group policy: none
IGMP limit: -
Value of query interval for IGMP (negotiated): -
Value of query interval for IGMP (configured): 60 s
Value of other querier timeout for IGMP: 0 s
Value of maximum query response time for IGMP: 10 s
Querier for IGMP: 192.168.1.1 (this router)
Given this, which of the following statements are true ?

A) The interval for sending Group-Specific Query messages is 60s.
B) The maximum response time to Query messages is 10s.
C) The IP address of the interface is 192.168.1.1.
D) The IGMP version is IGMPv2.

5. Which of the following address types is not supported by IPv4?

A) Broadcast
B) Anycast
C) Unicast
D) Multicast

Solutions: