Which technology must be used?

Posted by: Pdfprep Category: 300-320 Tags: , ,

A network engineer must use an Internet connection to provide backup connectivity between two sites. The backup connection must be encrypted and support multicast.

Which technology must be used?
A . GRE over IPsec
B . GETVPN
C . IPsec direct encapsulation
D . DMVPN

Answer: A

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