GATE | GATE CS 2008 | Question 35

For inclusion to hold between two cache levels L1 and L2 in a multi-level cache hierarchy, which of the following are necessary?

I. L1 must be a write-through cache
II. L2 must be a write-through cache
III. The associativity of L2 must be greater than that of L1
IV. The L2 cache must be at least as large as the L1 cache

(A)

IV only

(B)

I and IV only

(C)

I, III and IV only

(D)

I, II, III and IV

Answer

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