What services does remote access VPNs provide?

A.
Link corporate headquarters to remote offices.

B.
Link network resources with third-party vendors and business partners.

C.
Link telecommuters and mobile users to corporate network resources.

D.
Link private networks to public networks.

Explanation:
The primary function of the remote access VPN concentrator is to provide secure connectivity to the medium network for remote users REF;Safe white papers;page20
SAFE: Extending the Security Blueprint to Small, Midsize, and Remote-User Networks