Online Access Free Huawei.H12-261.v2022-01-21.q423 Practice Test (Page 66)

H12-261 Exam Question 321

As shown in the following figure, R1 can connect to the Internet through R2 or R3. EBGP connections are set up between R1 and R2 and between R1 and R3. R2 and R3 reside in the same AS and advertise default routes using BGP. Which of the following methods can be used to enable traffic from R1 to the Internet to be preferentially forwarded by R2?

A.On R1, set the MED attribute value to 150 in the ingress direction of R3

B.On R2, set the MED attribute value to 150 in the egress direction of R1

C.On R1, set the Local_Pref attribute value to 150 in the ingress direction of R2

D.On R2, set the Local_Pref value to 150 in the egress direction of R1

H12-261 Exam Question 322

Which of the following statements regarding MPLS is false?

A.MPLS supports multi-layer nesting. The value of the S bit of the innermost label is 1.

B.The label space range of dynamic signaling protocols such as LDP and MP-BGP from 16 to 1023.

C.When an IP packet is transmitted on an MPLS network that uses TTL processing in pipe mode, the TTL value of the IP packet decrements by 1 only at the ingress and egress nodes of the MPLS network.

D.The MPLS label is 20 bits long and is used for packet forwarding.

H12-261 Exam Question 323

Type 5 LSAs in OSPF are used to transmit external routes. Which of the following statements regarding Type 5 LSAs is false?

A.A Type 5 LSA contains the FA address, which is 0.0.0.0. The FA address is reserved only and does not take effect.

B.Type 5 LSAs are advertised by ASBRs and flooded on OSPF networks except stub areas and NSSAs.

C.Routers in the same area as the ASBR can calculate external routes through intra-area LSAs and Type 5 LSAs.

D.Filtering policies can be configured on ABRs or ASBRs to filter Type 5 LSAs.

H12-261 Exam Question 324

Router HW1 is configured for OSPF, interface serial 0 is configured to be in area 0, and interface serial 1 is configured to be in area 1. What will the Rouer HW1 do when area 1 is NSSA? (Multiple Choice)

A.HW1 does not need a default route in its routing table to inject a default into area 1.

B.HW1 will inject a type 7 default route into area 0.

C.HW1 will inject a type 7 default route into area 1.

D.HW1 needs a default route in its routing table to inject a default into area 1.

E.HW1 will inject a type 3 default route into area 1.

H12-261 Exam Question 325

Which of the following statements regarding the inter-AS MPLS VPN are false?

A.In inter-AS VPN Option A mode, the routes advertised between two ASBRs are common IPv4 routes.

B.In inter-AS VPN Option B mode, two ASBR-Pes are interconnected through multiple interfaces (including sub-interfaces), each interface is associated with one VPN, and each ASBR-PE considers the remote device as a CE.

C.In inter-AS VPN Option B mode, an MP-EBGP peer relationship needs to be established between two ASBRS.

D.In inter-AS VPN Option C solution 2, if only LDP is used to advertise public network labels, three labels need to be used during packet forwarding.

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H12-261 Exam Question 321

H12-261 Exam Question 322

H12-261 Exam Question 323

H12-261 Exam Question 324

H12-261 Exam Question 325

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