Which type of malware tries to get you to pay a fee to decrypt your files? a.) trojan b.) worm c.) spyware d.) ransomware

Suppose we have a byte addressable computer that has a 32-byte cache with 8 bytes per block. the memory address is 8 bits long. the system accesses memory addresses (in hex) in this exact order: 6e, b9, 17, e0, 4e, 4f, 50, 91, a8, ab, ad, 93, and 94. (a) assuming the cache is direct mapped, what memory addresses will be in cache block 2 after the last address has been accessed? (b) assuming the cache is direct mapped, what is the hit ratio for the entire memory reference sequence given, assuming the cache is initially empty? (c) assuming the cache is 2-way set associative with a lru replacement policy, what is the hit ratio?

In which part of a professional email should you try to be brief, but highly descriptive?

What are listed in the vertical columns across the top of the event editor? a. file names b. conditions c. check marks d. action types