'SYSTEM' <span> software helps run the computer and coordinates instructions between other software and the hardware devices.</span>
Answer:
a. Contrasting background and text
Explanation:
XT(extra technology) computer: it cannot support GUI Based operating system. its processing speed is 477MHz
AT(advanced technology):it supports GUI Operating system. Its processing speed is 2GHz
PS/2:is a laptop computer which is rechargeable
and battery powered. it's operated with OS/2 operating system.
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Authentication protocols are usually designed and configured to create a number that will be used only once, so as to prevent replay attacks in a computer network. Thus, this number is called a <u>nonce</u>.
Authentication work based on the principle of strategically matching an incoming request from an end user or electronic device to a set of uniquely defined credentials.
In an access control list (ACL), authentication and authorization is used to ensure an end user is truly who he or she claims to be, as well as confirming that an electronic device is valid through the process of verification.
In Cybersecurity, authentication protocols are usually designed and configured to create a nonce, which can be used only once, so as to prevent replay attacks in a computer network.
In conclusion, a nonce is used prevent replay attacks in a computer network because the number created by an authentication protocol can be used only once.
Read more: brainly.com/question/17307459
Answer:
i dont know.prob guess a short loop.
Explanation: