Company A and Company B both supply contractual services to a fast paced and growing auto parts
manufacturer with a small local Area Network (LAN) at its local site. Company A performs in-house billing and
invoices services for the local auto parts manufactacturer. Company B provides in-house parts and widgets
services for the local auto parts manufacturers. Which of the following is the BEST method to mitigate security
risk within the environment?
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A.
Virtual Private Network
B.
Role-Based access
C.
Network segmentation
D.
Public Key Infrastructure