COMPUTER NETWORKING

NETWORK LAYER

UNICAST ROUTING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the purpose of adding an administrative distance number to the end of a static route?
A
To create a standard static route.
B
To create a default static route.
C
To create a floating route.
D
To create a summary static route.
Explanation: 

Detailed explanation-1: -The administrative distance of a static route can be increased to make the route less desirable than that of another static route or a route learned through a dynamic routing protocol. In this way, the static route “floats” and is not used when the route with the better administrative distance is active.

Detailed explanation-2: -A floating static route can be used to provide a backup route to multiple interfaces or networks on a router. It is also encapsulation independent, meaning it can be used to forward packets out any interface, regardless of encapsulation type.

Detailed explanation-3: -Static routes have a very low administrative distance of 1, this means that your router will prefer a static route over any routes that were learned through a dynamic routing protocol.

Detailed explanation-4: -Since the Administrative Distance (AD) of a static route in Cisco is set to 1 as it is the most trustful connection after a directly connected route that has an administrative distance of 0, we need to set it manually to a higher value so as the better route based on other factors are preferred.

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