最新HCIE-R&S H12-261-ENU考試題庫，Huawei H12-261-ENU課程的擬真試題下載

問題1
Which of the following operations can implement fast fault detection on multicast network? (Multiple choice)

A. Establishing PIM BFD session between neighbors

B. Shorten the Holdtime of Join/Prune messages

C. Reduce the interval for sending Join/Prune messages.

D. Reduce the interval at which the interface sends Hello messages.

正確答案: A,D

問題2
Which of the following configurations of OSPFV3 route aggregation are correct? (Multiple Choice)

A. [Huawei] ospfv3 1 [Huawei-ospfv3-1] abr-summary 48 cost 400

B. [Huawei] ospf3 1 [Huawei-ospfv3-1] area 1 [Huawei-ospfv3-1-area-0.0.0.1] abr-summary fc00:0:0:: 48 cost 400

C. [Huawei] ospfv3 1 [Huawei-ospfv3-1] asbr-summary 48 cost 20 tag 100

D. [Huawei] ospfv3 1 [Huawei-ospfv3-1] area 1

E. [Huawei-ospfv3-1-area-0.0.0.1] asbr-summary fc00:0:0::48 cost 20 tag 100 [Huawei]interface gigabitether 1/0/0 [Huawei-GigabitEthernet1 /0/0) asbr-summary fc00:0:0::48 cost 20

正確答案: B,C

問題3
Regarding the stub area in the OSPF protocol, which of the following statement is correct? (Multiple Choice)

A. The backbone area cannot be configured as a stub area.

B. The virtual link cannot traverse the stub area.

C. ASBR cannot exist in the stub area.

D. stub area is not allowed to inject type7 LSA

正確答案: A,B,C,D

問題4
Regarding the BGP alliance, which of the following description is wrong?

A. The sub-AS number in the alliance can use a private AS number. A Huawei NE/AR router can be configured with up to 32 sub-AS numbers.

B. The alliance divides an AS into several sub-ASs, and the external AS still considers the alliance to be an AS.

C. The sub-AS number of the alliance is advertised to BGP peers outside the alliance by default.

D. The alliance can easily detect the routing loop in the AS because EBGP is running between sub-ASs.

正確答案: C

問題5
Which of the following statement about IPSG technology is correct?

A. If an interface is configured as a DHCP snooping Trust HCP ACK, DHCP NAKHCP, and Offerf packets, other untrusted ports cannot receive these packets.

B. The IPSG can perform binding table matching check on P packets that enter the interface and leave the interface.

C. ip source check user-bind check-item command to configure based VLAN or interface IP packet checking items, the command have effect on the dynamic and static entries.

D. On the Huawei router, you can configure the IPSG function on the Vlanif.

正確答案: A

問題6
In the following topology picture, R1 can access the Internet through R2 and R3. R1 and R2, and R1 and R3 establish an EBGP connection. R2 and R3 belong to the same AS. The default route is advertised through BGP. R2 is the optimization when requiring R1 to access the Internet traffic. The following practices that can be achieved are (Multiple Choice)

A. R1 specifies that the peer R2 sets the local priority to 150 in the import direction.

B. R2 specifies that the peer R1 sets the MED attribute to 150 in the export direction.

C. R1 specifies that the peer R3 sets the MED attribute to 150 in the import direction.

D. R2 specifies that the peer R1 sets the local priority to 150 in the export direction.

正確答案: A,C

問題7
In the Broadcast network, the election of DIS is started after the neighbor relationship is established.

A. False

B. True

正確答案: B

問題8
What command can be used to prevent users from accessing multiple devices through the HUB on the access port of the switch?

A. [Huawei]interface GigabitEthernet 0/0/1 [Huawei-GigabitEthernet0/O] port link-type access [Huawei-GigabitEthernet0/O] port-isolate enable

B. [Huawei]interface GigabitEthernet 0/0/1 [Huawei-GigabitEthernet0/O] port link-type access [Huawei-GigabitEthernet0/O] port-security enable

C. [Huawei]interface GigabitEthernet 0/0/1 [Huawei-GigabitEthernetO/0/1] port link type trunk [Huawei-GigabitEtherneto/0/1] port trunk allow pass vlan 10

D. [Huaweiinterface GigabitEthernet 0/0/1 [Huawei-GigabitEthernetO/0/1] port link type access [Huawei GigabitEtherneto/0/jipsg enable

正確答案: B

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