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
