Refer to the exhibit.

Why did the telnet attempt to www.cisco.co from RouterA fail?

A.
A route to www.cisco.co in the RouterA routing table is missing from the routing table.

B.
The name www.cisco.co was not spelled out correctly.

C.
A DNS name-server is not configured on RouterA.

D.
The telnet command is not enabled on RouterA.

Explanation: