Q27

MCQ2 marks, −0.67

Assume a two-level inclusive cache hierarchy, $L1$ and $L2$ , where $L2$ is the larger of the two. Consider the following statements. $S_1$ : Read misses in a write through $L1$ cache do not result in writebacks of dirty lines to the $L2$ $S_2$ : Write allocate policy must be used in conjunction with write through caches and no-write allocate policy is used with writeback caches. Which of the following statements is correct?

(A)

$S_1$ is true and $S_2$ is false

(B)

$S_1$ is false and $S_2$ is true

(C)

$S_1$ is true and $S_2$ is true

(D)

$S_1$ is false and $S_2$ is false

Loading…