Question

Which of the following is NOT true about controlled access? 1. Token ring uses this type...

Which of the following is NOT true about controlled access?
1.
Token ring uses this type of access
2.
FDDI uses this type of access
3.
Collision free
4.
Two or more nodes may be allowed to send at the same time.

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Answer #1

The statement which is not true about controlled access is option 4. Two or more nodes maybe allowed to send at the same time.

EXPLANATION : Both Token ring and FDDI use controlled access. So, both statements are true. Also, controlled access is Collision free. So this statement is also true.

Controlled access allows only one node to send at a time to avoid the collision of messages on shared medium. Hence, option 4. is correct answer.

NOTE : If you still have any doubt/query regarding the above solution then let me know in the comment. If it helps, do give an upVote to this answer.

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