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Question 7 - JN0-351 discussion

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Exhibit.

You are using OSPF to advertise the subnets that are used by the Denver and Dallas offices. The routers that are directly connected to the Dallas and Denver subnets are not advertising the connected subnets.

Referring to the exhibit, which two statements are correct? (Choose two.)

A.
Create static routes on the switches using the local vMX router's loopback interface for the next hop.
Answers
A.
Create static routes on the switches using the local vMX router's loopback interface for the next hop.
B.
Configure and apply a routing policy that redistributes the Dallas and Denver subnets using Type 5 LSAs.
Answers
B.
Configure and apply a routing policy that redistributes the Dallas and Denver subnets using Type 5 LSAs.
C.
Configure and apply a routing policy that redistributes the connected Dallas and Denver subnets.
Answers
C.
Configure and apply a routing policy that redistributes the connected Dallas and Denver subnets.
D.
Enable the passive option on the OSPF interfaces that are connected to the Dallas and Denver subnets.
Answers
D.
Enable the passive option on the OSPF interfaces that are connected to the Dallas and Denver subnets.
Suggested answer: C, D

Explanation:

The routers that are directly connected to the Dallas and Denver subnets are not advertising the connected subnets.This can be resolved by redistributing the connected subnets into OSPF1.

Option C suggests to configure and apply a routing policy that redistributes the connected Dallas and Denver subnets.This is correct because redistribution allows routes from one routing protocol to be communicated to another, and in this case, it allows the connected subnets to be advertised through OSPF1.

Option D suggests enabling the passive option on the OSPF interfaces that are connected to the Dallas and Denver subnets.This is also correct because in OSPF, a passive interface is an interface that belongs to the OSPF router, but does not send OSPF Hello packets1.It's typically used on an interface that you don't want to use for OSPF adjacencies, but you still want to advertise its IP address1. Therefore, enabling passive interface can help in advertising the Dallas and Denver subnets.

asked 18/09/2024
Waleed Bahadaq
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