What two features of USB make it so desirable for portable devices? Which of the types of storage architectures discussed in this chapter would you expect to find in a large data center or server...

What two features of USB make it so desirable for portable devices? Which of the types of storage architectures discussed in this chapter would you expect to find in a large data center or server farm? What would be the problem with using one of the other architectures in the data center environment?