UGC NET CS 2014 Dec – paper-3
August 29, 2024Normalization
August 29, 2024Transactions
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Question 69
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Match the following :
List – I List – II
a. Timeout ordering protocol i. Wait for graph
b. Deadlock prevention ii. Roll back
c. Deadlock detection iii. Wait-die scheme
d. Deadlock recovery iv. Thomas Write Rule
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a-iv, b-iii, c-i, d-ii
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a-iii, b-ii, c-iv, d-i
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a-ii, b-i, c-iv, d-iii
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a-iii, b-i, c-iv, d-iii
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Question 69 Explanation:
Timeout ordering protocol: Thomas Write Rule is a timeout protocol. It suffers with a large number of aborts.
Deadlock prevention: Wait-die scheme used for deadlock prevention.
Deadlock detection: Wait for graph is used to detect the deadlock.
Deadlock recovery: Deadlock recovery can be done by roll back operation.
Deadlock prevention: Wait-die scheme used for deadlock prevention.
Deadlock detection: Wait for graph is used to detect the deadlock.
Deadlock recovery: Deadlock recovery can be done by roll back operation.
Correct Answer: A
Question 69 Explanation:
Timeout ordering protocol: Thomas Write Rule is a timeout protocol. It suffers with a large number of aborts.
Deadlock prevention: Wait-die scheme used for deadlock prevention.
Deadlock detection: Wait for graph is used to detect the deadlock.
Deadlock recovery: Deadlock recovery can be done by roll back operation.
Deadlock prevention: Wait-die scheme used for deadlock prevention.
Deadlock detection: Wait for graph is used to detect the deadlock.
Deadlock recovery: Deadlock recovery can be done by roll back operation.