Assume a directory-based cache coherence protocol. The directory currently has information that indicates that processor P1 has the data in "exclusive" mode. If the directory now gets a request for the same cache block from processor P1, what could this mean? What should the directory controller do? (Such cases are called "race conditions" and are the reason why coherence protocols are so hard to design and verify.)

Which of the following had the greatest influence on opening the internet to the generly public

What best describes a career pathway in a lodging career? a worker starts out as an amusement attendant, then becomes a recreation worker, and then becomes a gaming worker within five years. a worker starts out as a bell hop, then becomes a night clerk, and then becomes a hotel manager within five years. a worker starting out as a tour guide, then becomes a travel clerk, and then becomes a travel agent within five years. a worker starts out as a server, then becomes a food preparer, and then becomes a head chef within five years.

Which is the best minecraft server? a. mineplex b. worldonecraft c. 9b9t d. 2b2t