Online Access Free Huawei.H12-261-ENU.v2022-02-15.q168 Practice Test (Page 15)

H12-261-ENU Exam Question 66

Which of the following description of the establishment process of LDP LSP is correct? (Multiple choice)

A.Label distribution in the DoD mode, for a specific FEC, the LSR does not need to obtain the label request message from the upstream to perform label distribution.

B.By default, the LSR is for the same FEC. The received label mapping can only come from the optimal next hop. It cannot be from the non-optimal next hop.

C.The process of establishing an LSP is actually the process of binding the FEC to the label and advertising the binding to the upstream LSR of the LSP.

D.When the network topology change causes the next hop neighbor to change, use free label retention way, the LSR can directly reestablish the LSP by using the label sent by the original non-optimal next hop neighbor.

H12-261-ENU Exam Question 67

As shown in the figure, in the hub&spoke multicast mode of MPLS bgp VPN, in order to realize that the branch can only communicate with the headquarters, the branches cannot communicate with each other. Which of the following schemes can the RT be set?

A.Headquarters: Import Target: 12:3 Export Target: 3:12 Branch 1: Import Target: 3:12 Export Target: 12:3 Branch 2: Import Target: 3:12 Export Target: 12:3

B.Headquarters: Import Target: 1:1 Export Target: 3:3 Branch 1: Import Target: 3:3 Export Target: 1:1 Branch 2: Import Target: 3:3 Export Target: 2:2

C.Headquarters: Import Target: 2:2 Export Target: 3:3 Branch 1: Import Target: 3:3 Export Target: 1:1 Branch 2: Import Target: 3:3 Export Target: 2:2

D.Headquarters: Import Target: 12:3 Export Target: 12:3 Branch 1: Import Target: 12:3 Export Target: 12:3 Branch 2: Import Target: 12:3 Export Target: 12:3

H12-261-ENU Exam Question 68

The router HW1 exists as an MPLS LSR router in the network of the operator HW. The router receives a packet carrying a label, but the label entry does not exist in its LFIB. So how does the router handle the packet?

A.Router HW1 will discard the packet.

B.Router HW1 uses LDP to create an LSP and creates a new path for the label carried in the packet in the LFIB.

C.Router HW1 will forward the packet using the default label.

D.Router HW1 will strip the label and find the IP destination address of the FIB.

H12-261-ENU Exam Question 69

The following is the description of the characteristics of the cross domain vpn-Option C, which is correct? (Multiple Choice)

A.VPNV4 routes are not saved on the ASBR, and VPNv4 routes are not advertised to each other.

B.The VPN route is directly exchanged between the ingress PE and the egress PE, and no intermediate device is required to save and advertise the VPN route.

C.Up to two layers of labels need to be used in the packet forwarding process.

D.Cross-domain VPN-Option-c mode is not suitable for use when spanning multiple AS.

H12-261-ENU Exam Question 70

Which type of LSA cannot in the OSPF stub area? (Multiple Choice)

A.Type-4

B.Type-3

C.Type-5

D.Type-7

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H12-261-ENU Exam Question 66

H12-261-ENU Exam Question 67

H12-261-ENU Exam Question 68

H12-261-ENU Exam Question 69

H12-261-ENU Exam Question 70

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