Q90IP Connectivity
Which interface is used to forward traffic to the destination network?
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Selected Answer: A
The decision of which route to use first is based on the route's administrative distance (AD) and the route's metric, where a lower administrative distance is preferred. In the routing table entries provided, the administrative distance is shown in square brackets.
In this case, the first thing to look at is the administrative distance:
- OSPF (O): Administrative distance of 110.
- RIP (R): Administrative distance of 120.
Now, comparing OSPF routes:
- Entry 1 has an administrative distance of 110 and a metric of 6906.
- Entry 2 has an administrative distance of 110 and a higher metric of 23018.
Between the OSPF routes, Entry 1 would be used first because it has the lower metric. Therefore, the route via G0/6 (Entry 1) would be used first for the destination network 10.18.75.113/27.
If both routes came from the same routing protocol, the metric would be the tiebreaker, with the lower metric being preferred.
1
Stupid Question.
The routing table would never look like this.