You are the administrator at Certkiller Inc. and you are working on extranet VPNs.
What service do extranet VPNs provide?

A.
Extranet VPNs provide link network resources with third-party vendors and business partners.

B.
Extranet VPNs provide link corporate headquarters to remote offices.

C.
Extranet VPNs provide link telecommuters and mobile users to corporate network resources.

D.
Extranet VPNs provide link private networks to public networks.

Explanation:

Extranet VPNs refer to connections between a company and its business partners. Access between sites should be tightly controlled by both entities at their respective sites.
Reference:REF;Safe white papers;page 76
SAFE: Extending the Security Blueprint to Small, Midsize, and Remote-User Networks