Multiple choice

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

  1. IV only

  2. I and IV only

  3. I, II and IV only

  4. I, II, III and IV
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A Correct answer
Explanation

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