HOTSPOT
You have a server named Server1 that runs Windows Server 2012. Server1 has the Remote Access server role installed. Server1 is located in the perimeter
network. The IPv4 routing table on Server1 is configured as shown in the following exhibit.
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 Server1 will route traffic to the Internet by
using Router1 if the current default gateway is unavailable. How should you configure the static route on Server1? To answer, select the appropriate static route in
the answer area.
Hot Area:
Answer: 
“The metric which is the cost associated with this route to reach the destination. The metric is commonly used to indicate the number of routers (hops) to the destination. When deciding between multiple routes to the same destination, the route with the lowest metric is selected as the best route.”
https://technet.microsoft.com/en-us/library/cc754614(v=ws.10).aspx
You can already see the other gateway settings. So the only thing that should be changed is the metric. As the new gateway should only be used when the other is down, the metric(cost) should be higher than the standard gateway, as explained above.
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