Which parameter would you tune to affect the selection of a static route as a backup, when a dynamic protocol is also being used?

Which parameter would you tune to affect the selection of a static route as a backup, when a dynamic protocol is also being used?
A . hop count
B . administrative distance
C . link bandwidth
D . link delay
E . link cost

Answer: B

Explanation:

What Is Administrative Distance?

http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080094195.shtml

Administrative distance is the feature that routers use in order to select the best path. Administrative distance defines the reliability of a routing protocol. Each routing protocol is prioritized in order of most to least reliable (believable) with the help of an administrative distance value. Lowest Administrative distance will be chosen first.