Which of the following attack surfaces is the systems administrator trying to protect?

After a security incident, a systems administrator asks the company to buy a NAC platform.

Which of the following attack surfaces is the systems administrator trying to protect?
A . Bluetooth
B . Wired
C . NFC
D . SCADA

View Answer

Answer: B

Explanation:

A NAC (network access control) platform is a technology that enforces security policies on devices that attempt to access a network. A NAC platform can verify the identity, role, and compliance of the devices, and grant or deny access based on predefined rules. A NAC platform can protect both wired and wireless networks, but in this scenario, the systems administrator is trying to protect the wired attack surface, which is the set of vulnerabilities that can be exploited through a physical connection to the network12.

Reference: CompTIA Security+ Study Guide: Exam SY0-701, 9th Edition, Chapter 5, page

189; CompTIA Security+ Certification Kit: Exam SY0-701, 7th Edition, Chapter 5, page 237.