What standard provides a greater degree of security by implementing port-based authentication and blocks all traffic on a port-by-port basis until the client is authenticated using credentials stored on an authentication server?

IEEE 802.1x

Explanation:IEEE(institute of electrical and electronics engineering) is a foremost professional institute/body for electrical and electronics engineering. IEEE 802.1x is the standard developed by IEEE for port based network access control. It was developed to ensure that the client is protected against hackers and Cyber attacks,it can only be open for access after the Client authenticates according to the credentials stored on the authentication server.

The answer is IEEE 802.1x.

IEEE 802.1x is one of the major components of the IEEE 802.11 group. IEEE 802.1x was designed by the institute of electrical electronics engineers to provide an authentication mechanism to devices willing to connect to a Local area network (LAN).

There are three basic parts involves in the authentication mechanism provided by IEEE 802.1x and these include:

Interestingly, the authenticator acts as a protector to a protected network, in other words, it safeguards a protected network. The authenticator won’t allow the supplicant (client’s device) access to the protected network until the identity of the client’s device is validated and approved.

Therefore, the correct answer is IEEE 802.1x

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