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Huawei H12-821_V1.0 Exam Syllabus Topics:

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

1. A large shopping mall configures a VLAN pool to prevent network performance deterioration caused by potentially large broadcast domains. A network engineer runs the display vlan pool name STA command to check information about the VLAN pool. The following command output is displayed:
< AC > display vlan pool name STA Name : STA Total : 2 Assignment: hash Threshold Notify Count: 3 Threshold Notify time(min): 3 VLAN ID : 2 4 Which of the following statements are true?

A) The VLANs with the IDs of 2 and 4 are added to the VLAN pool.
B) The name of the VLAN pool is STA.
C) The total number of VLAN pools is 2.
D) The VLAN pool uses the even VLAN assignment algorithm.

2. In addition to a route reflector, the confederation is another method that reduces the number of IBGP connections in an AS.
Which of the following statements are true about the confederation technology? (Choose all that apply)

A) All member devices in a confederation need to be reconfigured.
B) Special EBGP connections are established among sub-ASs in a confederation, and the sub-ASs need to be fully meshed.
C) The logical topology does not need to be changed when a confederation is used.
D) This technology is applicable to large-scale networks.

3. The Origin attribute is used to define the origin of BGP path information. There are three types of Origin attributes. Which of the following lists the Origin attributes in descending order of priority?

A) Incomplete > IGP > EGP
B) Incomplete > EGP > IGP
C) EGP > IGP > Incomplete
D) IGP > EGP > Incomplete

4. A large enterprise deploys a WLAN in VRRP HSB mode to ensure WLAN reliability . Which of the following statements are false about the VRRP configuration ?

A) The virtual IP addresses must be configured to be the same on the master and backup ACs in the same VRRP group.
B) The default interval for sending VRRP heartbeat packets is 1s.
C) The default priority of a device in a VRRP group is 100. A smaller value indicates a higher priority.
D) The VRIDs must be configured to be the same on the master and backup ACs in the same VRRP group.

5. IGMP has three versions. Different versions support different features. Which of the following features is supported by all versions?

A) Group-Specific Query message
B) Leave message
C) Report message
D) Specifying a multicast source

Solutions: