Huawei Certified ICT Associate – Storage (HCIA-Storage) — Question 47

What is best described as: the time it takes for the desired data to be beneath the read head when the head is on the correct track?

Answer options

• A. Rotational latency
• B. Seek time
• C. Rotational speed
• D. Throughput

Correct answer: B

Explanation

The correct answer is B, Seek time, which refers to the time it takes for the read/write head of a disk to move to the position of the desired data. A, Rotational latency, measures the delay for the disk to rotate to the correct position, C, Rotational speed, indicates how fast the disk spins, and D, Throughput, refers to the amount of data processed in a given time, none of which specifically define the time taken for data to be under the read head.