최신 H12-821_V1.0 무료덤프 - Huawei HCIP-Datacom-Core Technology V1.0

문제1

On an ISIS network, each router has at least one NET. If a router is configured with multiple NETs, ensure that these NETs have the same system ID.

A. FALSE

B. TRUE

정답: B

문제2

BGP selects routes by comparing route attributes in sequence. When a route attribute alone helps determine the optimal route, BGP does not compare subsequent attributes. Which of the following attributes is compared first during BGP route selection?

A. Origin

B. Local_Pref

C. AS_Path

D. PrefVal

정답: D

설명: (DumpTOP 회원만 볼 수 있음)

문제3

BGP is generally applied to complex networks where routes change frequently. Frequent route flapping consumes a large number of bandwidth and CPU resources, and even affects the normal operation of the network. This is an unavoidable problem that cannot be solved in BGP.

A. FALSE

B. TRUE

정답: A

설명: (DumpTOP 회원만 볼 수 있음)

문제4

On an STP network, if the topology changes, the topology change information must be transmitted to the root bridge first. The root bridge then floods the topology change information to downstream devices.

A. FALSE

B. TRUE

정답: B

문제5

Compared with RSTP, which of the following port roles are added to MSTP?

A. Backup port

B. Master port

C. Regional edge port

D. Edge port

정답: B,C

설명: (DumpTOP 회원만 볼 수 있음)

문제6

Which of the following statements regarding IGMPv1 and IGMPv2 are true?

A. 1GMPv2 supports only general query.

B. 1GMPv2 defines the Leave message type.

C. IGMPv1 does not define the IGMP Leave message type.

D. IGMPv1 supports general query.

정답: B,C,D

설명: (DumpTOP 회원만 볼 수 있음)

문제7

When a BGP device sends an Open message to establish a peer connection, which of the following information is carried?

A. Router ID

B. Local AS number

C. NLRI

D. Hold time

정답: A,B,D

설명: (DumpTOP 회원만 볼 수 있음)

문제8

In BGP, the AS_Path attribute records the numbers of all ASs that a route passes through from the local end to the destination in the vector order.
Which of the following statements is false about the attribute change during route transmission?

A. When advertising the route to an IBGP peer, the BGP speaker does not change the AS_Path attribute of the route.

B. When advertising the route to an IBGP peer, the BGP speaker creates an empty AS_Path in the Update message.

C. When advertising the route to an EBGP peer, the BGP speaker creates an AS_Path carrying the local AS number in the Update message.

D. When advertising the route to an EBGP peer, the BGP speaker adds the local AS number to the end of the AS_Path.

정답: B

설명: (DumpTOP 회원만 볼 수 있음)

문제9

To overcome the disadvantages of STP, RSTP changes the format of configuration BPDUs. Which of the following fields in STP BPDUs is used to specify the port role?

A. PID

B. BPDU Type

C. PVI

D. Flags

정답: D

설명: (DumpTOP 회원만 볼 수 있음)

문제10

On a broadcast IS-IS network shown in the following figure, a DIS needs to be elected to create and update pseudonodes. Which of the following routers is elected as the DIS?

A. R4

B. R3

C. R2

D. R1

정답: B

설명: (DumpTOP 회원만 볼 수 있음)

문제11

Which of the following statements regarding routing policy and policy-based routing are true?

A. A routing policy is used to control packet forwarding without following routes in the routing table.

B. Policy-based routing is used to control packet forwarding without following routes in the routing table.

C. Policy-based routing is used to control import, advertisement, and receiving of routing information.

D. A routing policy is used to control import, advertisement, and receiving of routing information.

정답: B,D

설명: (DumpTOP 회원만 볼 수 있음)

문제12

Which of the following statements regarding Local-Preference in BGP is true?

A. The default Local-Preference value is 100.

B. Local-Preference affects traffic that enters an AS.

C. Local-Preference is a well-known mandatory attribute.

D. Local-Preference can be transmitted between ASs.

정답: A

설명: (DumpTOP 회원만 볼 수 있음)

문제13

Which of the following configurations are not mandatory when an administrator configures VRRP?

A. Preemption delay

B. Virtual IP address

C. Preemption mode

D. Virtual router priority

정답: A,C

설명: (DumpTOP 회원만 볼 수 있음)

최신 H12-821_V1.0 무료덤프 - Huawei HCIP-Datacom-Core Technology V1.0

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