Which of the following operation are performed on linear queues?Testing a linear queue for underflowEnqueue operationDequeue operationTesting a linear queue for overflow. Select the correct answer using the codes given below the lists

• A. 1, 2 and 3
• B. 2, 3 and 4
• C. 1, 3 and 4
• D. 1, 2, 3 and 4