Implementing and Operating Cisco Enterprise Network Core Technologies (ENCOR) — Question 594

Which IEEE standard provides the capability to permit or deny network connectivity based on the user or device identity?

Answer options

• A. 802.1d
• B. 802.1w
• C. 802.1q
• D. 802.1x

Correct answer: D

Explanation

The correct answer is D, 802.1x, which specifically provides port-based network access control to authenticate devices before granting them network access. Options A, B, and C refer to different IEEE standards that do not have the same capability for controlling network connectivity based on user or device identity.