Security+ Exam Prep Question of the Week

To leverage existing authentication services, a networking device must support?

  1. x.509 v3
  2. 802.3
  3. x.500
  4. 802.1x

The correct answer is 4.

IEEE 802.1x is a standard for NAC (network access control) based on port management. (note: port is being used loosely here to mean connection pathway, not necessarily a physical port or even a Transport layer port.). 802.1x could be described as an authentication proxy service as it allows existing authentication services to be leveraged on specific devices, such as switches, firewalls, proxies, wireless access points, VPN gateways, etc.

Related Courses
Security+ Certification Boot Camp (SYO-301)
Security+ Prep Course (SYO-301)
CompTIA Advanced Security Practitioner (CASP) Prep Course

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