Which of the following concurrency control protocols ensure both confl – McqOptions

MCQOPTIONS

1.	Which of the following concurrency control protocols ensure both conflict serializability and freedom from deadlock ?I) 2-phase lockingII) Time-stamp ordering
A.	I only
B.	II only
C.	Both I and II
D.	Neither I nor II
Answer» C. Both I and II

Discussion

No Comment Found

Related MCQs

To enable a process to wait within the monitor __________
A monitor is a module that encapsulates __________
Process synchronization can be done on __________
When high priority task is indirectly preempted by medium priority task effectively inverting the relative priority of the two tasks, the scenario is called __________
Mutual exclusion can be provided by the __________
A semaphore is a shared integer variable __________
If a process is executing in its critical section, then no other processes can be executing in their critical section. What is this condition called?
When several processes access the same data concurrently and the outcome of the execution depends on the particular order in which the access takes place is called ________
In monitor, the local data variables accessible only by
The program follows to use a shared binary semaphore T :Process A int Y; A1: Y = X*2; A2: X = Y; signal(T); Process Bint Z;B1: wait(T);B2: Z = X+1;X = Z;T is set to 0 before either process begins execution and, as before, X is set to 5.Now, how many different values of X are possible after both processes finish executing ?