Q. 30 For inclusion to hold between two cache level L1 and L2 in a multilevel cache
hierarchy, which of the following are necessary?
1. L1 must be a write-through cache 2. L2 must be write-through cache 3. The associativity of L2 must be greater that of L1 4. The L2 cache must be at least as large as the L1 cache
(A) 4 only
(B) 1 and 2 only
(C) 1, 2 and 4 only
(D) 1, 2, 3 and 4
Answer: (A)
Explanation:
