[Q648-Q664] Updated Jan-2025 Test Engine to Practice Test for H12-821_V1.0-ENU Exam Questions and Answers!

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Updated Jan-2025 Test Engine to Practice Test for H12-821_V1.0-ENU Exam Questions and Answers!

HCIP-Datacom-Core Technology V1.0 Certification Sample Questions and Practice Exam

Huawei H12-821_V1.0-ENU exam is a challenging test of knowledge and skills in data communication core technology. Candidates who pass the exam earn the HCIP-Datacom-Core Technology V1.0 certification, which demonstrates their expertise in this area. HCIP-Datacom-Core Technology V1.0 certification opens up new career opportunities and helps professionals stand out in a highly competitive job market.

NEW QUESTION 648
Which of the following SA descriptions about various messages is wrong? (Multiple choice)

DD only contains the summary information of the LSA, which includes LS Type, LS ID, Advertising Router and LS Sequence Number

LS Request message only has LS Type, LS ID and Advertising Router

LS Update message contains complete LSA information

LS Ack message contains complete LSA information

NEW QUESTION 649
Which of the following statements about the concept of multicast is wrong?

Multicast router: A router or a Layer 3 switch that supports Layer 3 multicast function

Multicast group: A collection identified by an IP multicast address

The group refers to the source, the sender of the information, and needs to join the multicast group to provide the forwarding of the group refers to the group message

Multicast group members, multicast group members can be widely distributed anywhere in the network

NEW QUESTION 650
R1, R2, R3, and R4 run OSPF, and the area ID is as shown in the figure, then () will generate Type-3 LSA.

NEW QUESTION 651
The output of a certain router ip as-path-filter is as shown in the figure.
So which of the following descriptions of this configuration is correct?

This configuration matches traffic originating from any AS and reaching the router. The router belongs to AS 12345.

This configuration matches originating from any AS, passing through AS 12345, then arriving at any other AS, and finally reaching the router.

This configuration matches traffic originating from AS 12345 and passing through any AS to reach the router.

This configuration matches traffic originating from any AS and passing through AS 12345 to reach the router.

NEW QUESTION 652
Which of the following descriptions about setting Community through routing policies to affect routing selection is wrong?

It can be indirectly affected. By setting the Community attribute of the route, the route can be classified, and then set different route selection-related attributes according to the category, such as Local_Pre, MED, etc., to achieve the purpose of affecting route selection

It cannot be affected, because the Community attribute of the route is a non-transitional attribute and cannot be passed between routers

It can be affected indirectly. By setting the Community attribute of the route, the route can be classified, and then different attributes related to route selection can be set according to the category. These attributes only include Loacal_Pre and MED, so as to achieve the purpose of affecting route selection

After the router receives the routing update whose Commmity attribute is No_ Advertise, it will not advertise it outside the local AS.

NEW QUESTION 653
In the OSPF routing domain, in broadcast networks and NBMA networks with at least two routers, one router must be designated as DR and the other as BDR.

TRUE

FALSE

NEW QUESTION 654
Which of the following LSAs has a propagation range only in a single area? (Multiple choice)

AS External LSA

Summary LSA

Router LSA

Network LSA

NEW QUESTION 655
As shown in the figure, there is part of the information output by the current ATE of the router. In the following description of this part of information, which one is wrong?

The display pin p-info command is used to view the RP information corresponding to the multicast group

The RP address is 2.2.2.2

The group address is 225.0.0.0

The priority of RP is 0

NEW QUESTION 656
As shown in the figure, RTA, RTB, RTC, and RTD are in the same AS and establish IBGP neighbor relationships through direct links. RTB and RTC are route reflectors, and RTA and RTC are route reflector clients of RTB. RTB and RTD are route reflector clients of RTC. RTA announces 10.1.1.0/24 into BGP.
Then the Originator ID value of the BGP route update received on RTD is ()

1.1.1.1

NEW QUESTION 657
In OSPF, the DR and BDR elected in a broadcast network listen to both the 224.0.0.5 address and the 224.0.0.6 address.

TRUE

FALSE

NEW QUESTION 658
By executing the command ________, users of different ports in the same VLAN can be completely isolated at the second and third layers and unable to communicate. (Please use English and lowercase letters to complete the command, and the command cannot be abbreviated)

port-isolate mode all

NEW QUESTION 659
The four routers run IS-IS and have established adjacency. The area numbers and router levels are marked in the figure. The link between R1 and R2 is a PPP link, and R2 is DIS. Which of the following statements is correct? (Multiple choice)

R2 sends the LSP to R3 and R4 in unicast mode

If R1 sends an LSP message, R2 needs to send PSNP for confirmation

R3 periodically sends CSNP to help achieve Level-2 LSDB synchronization

NEW QUESTION 660
Which of the following information is carried in the BGP OPEN message? (Multiple choice)

Routing attributes

BGP Router ID

Hold time

Local Autonomous System (AS) number

NEW QUESTION 661
Regarding RP, which of the following statements is correct? (Multiple choice)

All routers in the PIM-SM network need to know the location of the RP

RP in PIM-SM network can only be specified manually

RP is elected by the BSR router

RP is the root of the RPT tree

NEW QUESTION 662
After a switch is powered on to join a running stack system, this behavior is called stack join.

TRUE

FALSE

NEW QUESTION 663
What precautions should be taken during fiber deployment? (Multiple choice)

Optical fibers can be routed together with the power supply

The radius of curvature of the fiber should be 20 times greater than the diameter of the fiber, and in general the radius of curvature >= 40mm

The optical fiber is sleeved in the corrugated tube, and the nozzles at both ends of the corrugated tube must be wrapped with tape

When performing various operations such as installation and maintenance of optical fibers, it is strictly forbidden to approach or look directly at the optical fiber outlet with the naked eye

NEW QUESTION 664
In SSM, which version of IGMP needs to be used?

IGMPv1

IGMPv3

IGMPv2

IGMPv4

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