Recently Published Real Exam 642-902 PDF Braindumps For Free Share (41-60)

What is a key benefit of using a GRE tunnel to provide connectivity between branch offices and headquarters? Select the best response.

A.    authentication, integrity checking, and confidentiality
B.    less overhead
C.    dynamic routing over the tunnel
D.    granular QoS support
E.    open standard
F.    scalability