Consider the advanced directory protocol described above and the cache contents from Figure 4.20. What are the

Question:

Consider the advanced directory protocol described above and the cache contents from Figure 4.20. What are the sequence of transient states that the affected cache blocks move through in each of the following cases?
a. P0: read 100
b. P0: read 120
c. P0: write 120 <-- 80
d. P15: write 120 <-- 80
e. P1: read 110
f. P0: write 108 <-- 48