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Question 4 Cache Tracing Consider a 3-element cache with the cache arrival sequences below. Determine the number arnnenthte lnumber of cache hits and cache misses using each of the following cache replacement policies: A. Optimal policy Arrival sequence: 5 3 7 5 3 107164 3 2 1 3 Working Cache Cache 1: Cache 2: Cache 3 # Hits: # Misses: B. FIFO policy Arrival sequence: 5 37 53 1 0716 4 3 2 1 3 Working Cache Cache 1: Cache 2: Cache 3: # Hits: # Misses: C. LRU policy Arrival sequence: 5 3 7 53 1 07 1 6 43 2 13 Working Cache Cache 1 Cache 2: Cache 3: # Hits: # Misses