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

A.
90

B.
110

C.
120

D.
100

E.
130

F.
170

Explanation:
The default administrative distance of OSPF is 110. In Cisco networks, the default AD is shown in
the following table:

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