最新的HCIE-R&S認證 H12-261-ENU考試題庫

問題1

ISIS will elect DIS in the broadcast multi-access network. Which of the following statement about DIS is correct? (Multiple Choice)

A. ISIS elects the DIS by comparing the priorities, and compares the MAC addresses if the priorities are the same.

B. DIS guarantees database synchronization by periodically sending CSNP messages

C. In a broadcast multi-access network, the DIS sends Hello PDUs three times as often.

D. DIS supports the preemption function. After the new DIS preemption is successful, it does not need to flood any LSPs.

正確答案: A,B,C

問題2

After the BGP route is imported to other protocols, the next hop in the BGP routing table is the same as the next hop of the routing protocol imported.

A. False

B. True

正確答案: A

問題3

OSPFv3 and ISIS are running on the router at the same time. You need to import OSPFv3 routes to ISIS. Which of the following configurations is correct: (Multiple choice)

A. [Huawei] isis 1 [Huawei-isis-1]is-level level-1 [Huavvei-isis-1] network-entity 47.0001.0000.0000.0002.00 [Huawei-isis-1] import-route ospfv3 1 level-1 [Huawei-isis-1] quit [Huawei] ospfv3 1 [Huawei ospfv3-1] router-id 2.2.2.2

B. [Huawei] isis 1 [Huawei-isis-1]is-level level-1 [Huavvei-isis-1] network-entity 47.0001.0000.0000.0002.00 [Huawei-isis-1] ipv6 enable topology standard [Huawei-isis-1] ipv6 import-route ospfv3 1 [Huawei-isis-1] quit [Huawei] ospfv3 1 [Huawei-ospfv3-1] router-id 2.2.2.2

C. [Huawei] isis 1 [Huavvei-isis-1] network-entity 47.0001.0000.0000.0002.00 [Huawei-isis-1] ipv6 enable topology standard [Huawei-isis-1] ipv6 import-route ospfv3 1 level-1 [Huawei-isis-1] quit [Huawei] ospfv3 1 [Huaweiospfv3-1] router-id 2.2.2.2

D. [Huawei] isis 1 [Huavvei-isis-1] network-entity 47.0001.0000.0000.0002.00 [Huawei-isis-1] import-route ospfv3 1 [Huawei-isis-1] quit [Huawei] ospfv3 1 [Huawei-ospfv3-1] router-id 2.2.2.2

E. [Huawei] isis 1 [Huawei-isis-1] is-level level-1 [Huavvei-isis-1] network-entity 47.0001.0000.0000.0002.00 [Huawei-isis-1] ipv6 enable topology standard [Huawei-isis-1] ipv6 import-route ospfv3 1 level-1 [Huawei-isis-1] quit [Huawei] ospfv3 1 [Huaweiospfv3-1] router-id 2.2.2.2

正確答案: C,E

問題4

What is the correct description of the BGP reflector? (Multiple Choice)

A. The route reflector can advertise the routers learned from IBGP neighbors to all clients and non-clients.

B. IBGP neighbor relationships need to be fully interconnected without a route reflector. The introduction of route reflectors can reduce the requirements for full interconnection.

C. The route reflector can advertise the routes learned from the non-client to all clients.

D. The route reflector can advertise the routes learned from one client to other clients and non-clients.

正確答案: B,C,D

問題5

Which of the following is optimal for building a loop-free Layer 2 network?

A. Stack + link aggregation

B. TRILL+MSTP

C. Stack + MSTP

D. Link Aggregation + MSTP

正確答案: A

問題6

Which AS_PATH can be matched by command ip as-path-filter 1 permit ^12.*74$?

A. AS_PATH ( 125 328 74 23 )

B. AS_PATH ( 321 12 2374 )

C. AS_PATH ( 123 621 743 2374 )

D. AS_PATH ( 32 1274 23 )

正確答案: C

問題7

In an IPv6 network, two nodes A and B are neighbors. If node A sends an NS message to node B, if node B replies to the NA message after received the message, so what neighbor status will be marked as when viewing on the node A?

A. Incomplete

B. Stale

C. Probe

D. Reachable

正確答案: D

問題8

Which of the following does the digital certificate not contain?

A. Issuer

B. Digital envelope

C. Public key information

D. Digital signature

正確答案: B

問題9

As shown in the figure, the router load balances the traffic between the branch network 1 and the branch network 2. In this case, the URPP defense source P address spoofing attack must be configured in the loose mode on the physical interface of the router.

A. False

B. True

正確答案: B

問題10

Mainstream second-tier technologies include VXLAN, TRILL, NVGRE and MPLS.

A. False

B. True

正確答案: B

問題11

The multicast IP address is 229.130.130.1, and what is its corresponding MAC address?

A. 00-00-5E-82-82-01

B. 01-00-5E-82-82-01

C. 01-00-5E-02-82-01

D. 00-00-5E-02-82-01

正確答案: C

問題12

As shown in the configuration, if the administrator configures OSPF on R1 but R1 cannot learn the routes of other routers, the possible reason is (). (Multiple choice)
[R1]ospf [Rl-ospf-1]area 2 [R1-ospf-1-area-0.0.0.2]network 10.0.13.1 0.0.0.0

A. This router is not configured with authentication, but the neighbor router is configured with authentication.

B. This router is not configured with an OSPF process ID.

C. The router's announcement network address does not match the interface mask.

D. Area ID configured by the router and area ID of its neighboring router is different.

正確答案: A,D

問題13

If a Huawei switch runs the RSTP protocol, when will the BPDU on a port of the switch be aged?

A. After the Hold time expires

B. After more than 6 seconds

C. After MaxAge times out

D. On the interface, RSTP does not age BPDUs.

E. After the Forward Delay expires

正確答案: A

問題14

The bookstore provides a wired network for customers to learn online. However, some users suddenly cannot access the network. After troubleshooting, all IP addresses in the DHCP address pool are exhausted. Which of the following is the best way to solve the problem?

A. Limit the maximum number of DHCP snooping binding entries that can be learned on the interface.

B. Configure DAI

C. Configure IPSG

D. Configure a static ARP binding entry.

正確答案: A

問題15

The following statements about the VRRP protocol which are correct?

A. VRRPv2 is only applicable to IPv4 networks, and VRRPv3 is only applicable to IPv6 networks.

B. The owner of the Mater IP address has VRRP priority of 255, so the priority range that can be configured is 0-254.

C. Both VRRPv2 and VRRPv3 support authentication.

D. VRRPv3 does not support authentication, while VRRPv2 supports authentication.

正確答案: D

最新的Huawei HCIE-Routing&Switching (Written)(Huawei Certified ICT Expert-Routing & Switching) - H12-261-ENU免費考試真題

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