The monitor construct ensures that ____________

• A. Only one process can be active at a time within the monitor
• B. N number of processes can be active at a time within the monitor (n being greater than 1)
• C. The queue has only one process in it at a time
• D. All of the mentioned

What are the operations that can be invoked on a condition variable?

• A. Wait & signal
• B. Hold & wait
• C. Signal & hold
• D. Continue & signal

Which is the process of invoking the wait operation?

• A. Suspended until another process invokes the signal operation
• B. Waiting for another process to complete before it can itself call the signal operation
• C. Stopped until the next process in the queue finishes execution
• D. None of the mentioned

If no process is suspended, the signal operation ____________

• A. Puts the system into a deadlock state
• B. Suspends some default process execution
• C. Nothing happens
• D. The output is unpredictable

A collection of instructions that performs a single logical function is called ____________

• A. Transaction
• B. Operation
• C. Function
• D. All of the mentioned

A terminated transaction that has completed its execution successfully is ____________ otherwise it is __________

• A. Committed, destroyed
• B. Aborted, destroyed
• C. Committed, aborted
• D. None of the mentioned

The state of the data accessed by an aborted transaction must be restored to what it was just before the transaction started executing. This restoration is known as ________ of transaction.

• A. Safety
• B. Protection
• C. Roll €? back
• D. Revert €? back

Write ahead logging is a way ____________

• A. To ensure atomicity
• B. To keep data consistent
• C. That records data on stable storage
• D. All of the mentioned

In the write ahead logging a _____________ is maintained.

• A. A memory
• B. A system
• C. A disk
• D. A log record

An actual update is not allowed to a data item ____________

• A. Before the corresponding log record is written out to stable storage
• B. After the corresponding log record is written out to stable storage
• C. Until the whole log record has been checked for inconsistencies
• D. All of the mentioned