Security+ Chapter 2 Quizzes and answers

A group of compromised computers that have software installed by a worm or Trojan is known as what? Botnet Which of the following computer security threats can be updated automatically and remotely? Virus Worm Zombie Malware Zombie 00:12 01:26 You have been given the task of scanning for viruses on a PC. What is the best of the following methods? Recovery environment Dual-boot into Linux Command Prompt only Boot into Windows normally Recovery environment Which of the following is a common symptom of spyware? Infected files Computer shuts down Applications freeze Pop-up windows Pop-up windows Stan the man is a network administrator. One day he notices that his DHCP server is flooded with information. he analyzes it and finds that the information is coming from more than 50 computers on the network. Which of the following is the most likely reason? Virus Worm Zombie PHP script Worm Which of the following is not an example of malicious software? Rootkits Spyware Viruses Browser Browser What type of attack uses more than one computer? DDoS What is a malicious attack that executes at the same time every week? Logic bomb Which of these is a true statement concerning active interception? When a computer is put between a sender and a receiver When a person overhears a conversation When a person looks through files When a person hardens an operating system When a computer is put between a sender and a receiver Which of the following types of scanners can locate a rootkit on a computer? Image scanner Barcode scanner Malware scanner Adware scanner Malware scanner Which type of malware doesn't require a user to execute a program to distribute the software? Worm Whitelisting, blacklisting, and closing open relays are all mitigation techniques addressing what kind of threat? Spam How do most network-based viruses spread? Through e-mail Which of the following defines the difference between a Trojan horse and a worm? Worms self-replicate but Trojan horses do not The two are the same Worms are sent via e-mail; Trojan horses are not Trojan horses are malicious attacks; worms are not Worms self-replicate but Trojan horses do not What virus hides its code to mask itself? Armored virus What type of malware appears to the user as legitimate but actually enables unauthorized access to the user's computer? Trojan Which of the following would be considered detrimental effects of a virus hoax? (Select the two best answers) Technical support resources are consumed by increased user calls Users are at risk for identity theft Users are tricked into changing the system configuration The e-mail server capacity is consumed by message traffic Technical support resources are consumed by increased user calls, users are tricked into changing the system configuration One of your co-workers complains of very slow system performance and says that a lot of antivirus messages are being displayed. The user admits to recently installing pirated software and downloading and installing an illegal keygen to activate the software. What type of malware has affected the user's computer? Trojan A user complains that they were browsing the Internet when the computer started acting erratically and crashed. you reboot the computer and notice that performance is very slow. In addition, after running a netstat command you notice literally hundreds of outbound connections to various websites, many which are well-known sites. Which of the following happened? The computer is infected with spyware The computer is infected with a virus The computer is now part of a botnet The computer is now infected with a rootkit The computer is now part of a botnet Stan the man was not being careful when browsing the Internet. He was redirected to a warez site where a number of pop-ups appeared. After clicking one pop-up by accident, a drive-by download of unwanted software occurred. What does the download most likely contain? Spyware You are the network administrator for a small organization without much in the way of security policies. While analyzing your servers' performance you find various chain messages that have been received by the company. Which type of security control should you implement to fix the problem? Anti-spam