Cyber Sem 1 Final Review

Which of the following best describes a backdoor?

• Malware that is spread by user action, such as clicking a link or sharing an infected file

• Malware that uses services running on a computer such as network connections or email to spread itself.

• Malware that allows an attacker to bypass the normal authentication required to access a system

• Malware that is disguised as legitimate software.

Which of the following best describes spyware?

• malware that is spread by user action, such as clicking link or sharing an infected file

• Malware that allows an attacker to bypass the normal authentication required to access a system.

• Malware that secretly collects information about a computer system or the actions of the user of a computer.

• Malware that is disguised as legitimate software

Which of the following best describes a worm?

• Malware that is spread by user action, such as clicking a link or sharing an infected file.

• Malware that uses services running on a computer such as network connections or email to spread itself

• Malware that allows an attacker to bypass the normal authentication required to access a system.

• Malware the is disguised as legitimate software

Which of the following best describes a virus?

• Malware that is spread by user action, such as clicking a link or sharing an infected file

• Malware that allows an attacker to bypass the normal authentication required to access a system.

• Malware that secretly collects information about a computer system or the actions of the user of a computer

• Malware that is disguised as legitimate software

What service commonly uses port 25?

• SMTP

• FTP

• HTTPS

• DNS

A computer system contains the file somefile.vba.txt. What is the extension of the file?

• ,vba

• ,txt

• .vba.txt

• somefile.vba

When exploring the files stored on a computer system, which of the following actions is least important to help identify potentially malicious files?

• Sort files by date of file creation

• show the full file extension

• show the owner of the file

• show hidden files

Suppose you start Task Manager on a Windows System and you see a spike in CPU usage while no user processes are running. Which statement below is the most appropriate response to this situation?

• You need a new CPU

• A process is hung and should be killed

• There is an unknown process that should be investigated as possible malware

• Task Manager is incorrect and should be restarted

What are the security principles that make up the CIA triad?

• Cybersecurity, Information, Access

• Confidence, Insurance, Access

• Copyright, infringement, avoidance

• Confidentiality, Integrity, Availability

What is the main purpose of the tracert command?

• To match a domain name with an IP address

• to determine the existence of a host on a network

• to view the information about network connections for the host such as IP addresses and ports

• to view information about the route packet takes from a host to a destination