What is the default administrative distance of the OSPF routing protocol?

A.
90

B.
100

C.
110

D.
120

E.
130

F.
170

Explanation:
Default Distance Value Table
This table lists the administrative distance default values of the protocols that Cisco supports:

If the administrative distance is 255, the router does not believe the source of that route and
does not install the route in the routing table.