Above is the output from show ip bgp neighbors command.

What is line 21 stating about the BGP connection?

A.
the number of neighbors that the router has

B.
the number of times the router has established a TCP connection

C.
the number of consecutive TCP connections to the specified remote neighbor

D.
the number of total TCP connections that the router has

Explanation:
According to
http://www.cisco.com/en/US/docs/ios/12_3/iproute/command/reference/ip2_s2g.html#wp1040913,
“Connections established” is the number of times a TCP and BGP connection have been
successfully established while “dropped” is the number of times that a valid session has failed or
been taken down.