1. The most common secondary storage device is A) random access memory B) solid state disks C) tape drives D) magnetic disk 2. A clustered system A) gathers together multiple CPUs to accomplish computational work B) is an operating system that provides file sharing across a network C) is used when rigid time requirements are present D) can only operate one application at a time 3. Which of the following is a property of peer-to-peer systems? A) Clients and servers are not distinguished from one another. B) Separate machines act as either the client of the server but not both C) They do not offer any advantages over traditional client-server systems. D) They suffer from the server acting as the bottleneck in performance. 4. What are some other terms for kemel mode? A) supervisor mode B) system mode C) privileged mode D) All of the above 5. Which of the following statements concerning open source operating systems is true? A) Solaris is open source. B) Source code is freely available. C) They are always more secure than commercial, closed systems. D) All open source operating systems share the same set of goals. 6. Which of the following operating systems is not open source? A) Windows B) BSD UNIX C) Linux D) PCLinuxOS