[2026] Huawei HCIE-Datacom V1.0 - H12-891_V1.0-ENU 무료 시험 문제

문제1

The following statement about a cross-domain MPLS VPN is mischaracteristic?

A. For the cross-domain VPN-OptionB approach, two ASBR-PEs are interconnected with multiple interfaces (including sub-interfaces), each associated with a VPN, each ASBR PE treats the peer as a CE.

B. For the cross-domain VPN-OptionB approach, an MP-eBGP neighbor relationship needs to be established between the two ASBRs.

C. For the cross-domain VPN-OptionA mode, the route passed between the two ASBRs is a normal IPv4 route.

D. When the public network tag is LDP only, for cross-domain VPN-optionC scenario 2, a three-layer tag is required in the packet forwarding process.

정답: A,D

문제2

As shown in the figure, an engineer uses four routers to test the interoperability of branch networks, where R1, R2, and R3 in branch 1 deploy OSPF Network interoperability is implemented, and R, R3, R4 in Branch 2 is deployed is-IS to achieve network interoperability. Now that the engineer wants to implement R1 access to R4's loopback address, which of the following actions will meet this requirement?

A. Publish default routes only in the OSPF process for R2

B. No configuration is required

C. Publish the default route only in the IS-IS process of R2

D. In the OSPF process of R2 and the IS-IS process, the default routes are published separately

정답: A,D

문제3

As shown in the following figure, a part of the LSDB LSDB of a router LSDB is shown in the first one in the following figure. A new LSP has been received, the second one in the figure below, and the following statement is incorrect (single choice).

A. This router ignores LSPs received from neighbors

B. In the case of a broadcast network, DIS will include summary information for this LSP in the next CSNP message.

C. If it is a point-to-point network, the router will send PSNP

D. this router will put the newly received LSP into the LSDB

정답: A

문제4

A router Router LSA is shown in the figure below, and the following statement is incorrect?

A. This router has established an adjacency relationship

B. The Router ID of this router is 100121

C. This router supports external route ingestion

D. This router is a DR

정답: D

문제5

What messages does an NMS (Network Management Station) running SNMPv1 send to the agent?

A. Trap,Get? Set

B. Get Trap

C. Get,Set? GetBulk

D. Get,Set,Getnext? GetBulk

E. Get,Set? Getnext

정답: E

문제6

To build a loopless Layer 2 network, which of the following schemes is optimal? (Single Choice)

A. Stacking + Link Aggregation

B. TRILL+MSTP

C. Link Collection + MSTP

D. ??+MSTP

정답: A

문제7

Which SNMP message type sent to NMS reports events that are reliable? (Single choice questions).

A. Response

B. Get Bulk

C. Inform

D. Trap

E. Get

정답: C

문제8

The topology diagram and configuration are as follows, and now we hope that there is no buttoned route entry of 10033/32 in the Rl route table

A. Configure route rollup on R2 to summarize the route as 10000/16

B. Configure filter-pollcy on top of R1 with 10033/32 via ACLL. Also applied in the Import direction

C. Configure route summarization on R3 to summarize the routes to 10000/16

D. Configure flter-policy on the above, match 10033/32 through ACL, and apply the answer in the expo direction

정답: B,C

문제9

Which of the following options can affect the establishment of IBGP neighbors?

A. IGP routing is not passable

B. BGP protocol version inconsistencies

C. iBGP-Multi-hop is not configured

D. Authentication is unsuccessful

정답: A,B,D

문제10

WRED is configured on the newly deployed router HW.
What is the correct description of the WRED features below? (Multiple choice questions).

A. WRED can set different drop thresholds and packet loss rates for packets of different priority

B. Avoid global synchronization by selectively dropping multiple TCP streams

C. When the flow exceeds the minimum threshold, WRED begins to discard all inlet flow (tail drop)

D. Low-bandwidth traffic is easier to drop than high-bandwidth traffic

정답: A,B

문제11

The following message about the Register in PIM-SM describes the correct? (Multiple choice questions).

A. The Register message is sent by the source DR

B. The Register message is sent by the receiver router

C. Register messages are sent to RPv via unicast instead of multicast

D. The Register message enables the RP to learn the multicast source information

정답: A,C,D

문제12

As shown in the following figure, R1, R2, R3 establish a neighbor relationship of Level2. The IP routing table for R3 is correct (multiple choice).

A. The 2::/64 route appears in the P route table

B. The 2021/64 route will appear in the IP routing table

C. 2020::/64. The route appears in the IP routing table

D. The 2019:/64 route appears in the IP routing table

정답: A,B,C,D

문제13

Which of the following statements about RADIUS is correct? (Single choice questions).

A. MAC authentication does not require a username password, so you cannot use RADIUS to authenticate the user.

B. RADIUS supports both wired and wireless access modes.

C. SEPARATION OF RADIUS PROTOCOL AUTHENTICATION, AUTHORIZATION, AND AUDIT.

D. RADIUS authentication and Portal authentication cannot be used together because the Portal server can typically be used to authenticate users when portal authentication is deployed.

정답: B

문제14

Router HW enables OSPF and router HW has the role of ABR and is configured with abr-summary, then which class LSA Will it be aggregated?

A. 2 kind LSA

B. 1 Class LSA

C. 4 kind LSA

D. 5 Class LSA

E. 3 kind LSA

정답: A,B

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