NETWORK LAYER
UNICAST ROUTING
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Which statement about OSPF E1 routes are true?
|
They are preferred over interarea routes.
|
|
They use the OSPF cost from redistribution and the OSPF cost to the ASBR.
|
|
They use only the OSPF cost to the ASBR from redistribution.
|
|
NONE
|
Explanation:
Detailed explanation-1: -Basically the difference between E1 and E2 external routes is: E1 includes – the internal cost to ASBR added to the external cost, E2 does not include – internal cost. it is same as external cost.
Detailed explanation-2: -OSPF uses the cost as the route metric. Each OSPF-enabled interface has a cost value. The formula used to calculate the cost is: Cost = 100M/Interface bandwidth.
There is 1 question to complete.