Security and Ethics in Operating Systems

What is the process of verifying a user’s identity?

• Authorization

• Authentication

• Encryption

• Spoofing

What is a firewall used for?

• Encrypting emails

• Disguising network addresses

• Detecting viruses

• Repairing system damage

What type of attack floods a server with meaningless requests?

• Phishing

• Denial of Service (DoS)

• Spoofing

• Logic Bomb

What is it called when a virus activates at a specific time or date?

• Logic Bomb

• Packet Sniffer

• Time Bomb

• Worm

What does antivirus software detect?

• Backup data

• Unauthorized access

• Viruses and worms

• Password breaches

What is a proxy server?

• A type of virus

• A network that controls user access

• A server that screens requests between networks

• A tool to encrypt data

What is the term for unauthorized searching of files?

• Wiretapping

• Browsing

• Packet Filtering

• Cryptography

What is spyware?

• A type of encryption software

• A blended threat that collects user data

• A type of firewall

• A network monitoring tool

What is the purpose of encryption?

• To recover lost data

• To disguise internal network addresses

• To make data unreadable without a key

• To teach ethical behavior

Which of the following is an example of social engineering?

• Creating a virus

• Guessing passwords using dictionaries

• Gaining information by pretending to be a technician

• Encrypting emails