What is a hybrid of a machine and an organism?

Which of the following is the MOST economical way for Sandy, a technician, to implement 10-Gigabit Ethernet at a datacenter?

A) 10GBaseX B) 10GBaseLR C) 10GBaseSR D) 10GBaseT

A storage device that contains some or all of the operating system is often called a(n) _____ because one can use it to start the computer if he or she has problems with the primary hard disk.

Fill in the blank(s) with the appropriate word(s).