HOTSPOT
You have a server named LON-SVR1 that runs Windows Server 2012 R2. LON-SVR1 has the Remote
Access server role installed. LON-SVRl is located in the perimeter network.
The IPv4 routing table on LON-SVR1 is configured as shown in the following exhibit. (Click the Exhibit
button.)
Your company purchases an additional router named Router1. Router1 has an interface that
connects to the perimeter network and an interface that connects to the Internet. The IP address of
the interface that connects to the perimeter network is 172.16.0.2.
You need to ensure that LON-SVR1 will route traffic to the Internet by using Router1 if the current
default gateway is unavailable.
How should you configure the static route on LON-SVR1? To answer, select the appropriate static
route in the answer area.
Answer: 
Explanation:
Metric: Specifies an integer cost metric (ranging from 1 to 9999) for the route, which is used when
choosing among multiple routes in the routing table that most closely match the destination address
of a packet being forwarded. The route with the lowest metric is chosen. The metric can reflect the
number of hops, the speed of the path, path reliability, path throughput, or administrative
properties.
A metric is a value that is assigned to an IP route for a particular network interface that identifies the
cost that is associated with using that route.
The metric that is assigned to specific default gateways can be configured independently for each
gateway. This setup enables a further level of control over the metric that is used for the local
routes.
That explains what a metric is. But does not explain why the chosen answer is correct.
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Correct answer is B.
we need to route traffic to the internet through router 1
so let’s pick the internet traffic: hence destination 0.0.0.0 with subnet mask 0.0.0.0
let’s tell it where to go for the next hop: gateway 172.16.0.2
We do have a similar entry already in the routing table where the next hop is 172.16.0.1 with a metric of 276.
Since there is a route already and we want ours (172.16.0.2) to win, it’ll need a lower metric, hence 255 not 300.
If the metric is 300, internet traffic will still go through 172.16.0.1.
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Question states that you’re setting up Router 2 to be a back up router in case Router 1 were to fail. So you would set a higher metric (in this case, 300) so Router 1 still has the main traffic.
A is correct
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@testtaker
“You need to ensure that LON-SVR1 will route traffic to the Internet by using Router1 if the current
default gateway is unavailable.”
It states that traffic should be routed through router 1 ONLY when the existing default gateway is unavailable hence a higher metric is needed to preserve the original default gateway as default gateway when it’s online.
Answer is correct.
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Answer is correct. 300 is bigger then 276, that`s important when link is failed.
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