Which description refers to administrative distance?
A. the advertised metric to reach a network
B. the cost of a link between two neighboring routers
C. the cost to reach a network that is administratively set
D. a measure of the trustworthiness of a routing information source
What Is Administrative Distance?
Administrative distance is a measure of the trustworthiness of the source of the routing information.
https://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/15986-admin-distance.html