- (Topic 2)
Jane works as a Consumer Support Technician for McRoberts Inc. The company provides troubleshooting support to users. A user named Peter installs Windows Vista on his computer. He connects his computer on the network. He wants to protect his computer from malicious software and prevent hackers from gaining access to his computer through the network. Which of the following actions will Jane assist Peter to perform to accomplish the task?

1. A. Don't stay logged on as an administrator.
2. B. Use a firewall.
3. C. Keep the computer up-to-date.
4. D. Run antivirus software on the computer.

Correct Answer: B

- (Topic 2)
This type of virus infects programs that can execute and load into memory to perform predefined steps for infecting systems. It infects files with the extensions .EXE, .COM, .BIN, and .SYS. As it can replicate or destroy these types of files, the operating system becomes corrupted and needs reinstallation. This type of virus is known as .

1. A. Multipartite virus
2. B. Boot sector virus
3. C. File virus
4. D. Stealth virus
5. E. Polymorphic virus

Correct Answer: C

- (Topic 2)
Which of the following statements are true about classless routing protocols? Each correct answer represents a complete solution. Choose two.

1. A. They extend the IP addressing scheme.
2. B. The same subnet mask is used everywhere on the network.
3. C. They support VLSM and discontiguous networks.
4. D. IGRP is a classless routing protocol.

Correct Answer: AC

- (Topic 1)
Which of the following statements about testing are true?
Each correct answer represents a complete solution. Choose all that apply.

1. A. A stub is a program that simulates a calling unit, and a driver is a program that simulates a called unit.
2. B. In unit testing, each independent unit of an application is tested separately.
3. C. In integration testing, a developer combines two units that have already been tested into a component.
4. D. The bottom-up approach to integration testing helps minimize the need for stubs.

Correct Answer: BCD

- (Topic 2)
Which of the following is the main purpose of using OODA loops?

1. A. Providing economic balance
2. B. Making the information delivery process faster
3. C. Information welfare
4. D. Creating advanced military weapons

Correct Answer: C