1.
Which of the following maintenance strategies involves performing maintenance before problems occur to avoid breakdowns and disruptions?
Answer: Option 'D'
Preventive Maintenance
2.
What would be the worst run time complexity of queue and dequeue operations, if queue is implemented using arrays?
Answer: Option 'D'
O(1),O(1)
3.
A linked list that has no beginning and no end is called _______
Answer: Option 'C'
Circular linked list
4.
Circuit Switching takes place at which layer?
Answer: Option 'C'
Physical layer
5.
Rows of a relation are called ________
Answer: Option 'C'
tuples