Cyber Security Essentials

What is the base of the binary system used in computing?

• 8

• 2

• 10

• 16

Which type of malware is designed to replicate itself and spread to other computers without user intervention?

• Virus

• Worm

• Trojan horse

• Spyware

What is a Trojan horse in the context of computer security?

• A program that spreads by attaching itself to other programs

• A program that disguises itself as a harmless application but is actually malicious

• A program that collects user information without their knowledge

• A program that replicates itself and spreads to other systems

What is the primary purpose of spyware?

• To damage the computer or network

• To steal sensitive information from the user

• To create a backdoor for hackers

• To display unwanted advertisements

How does a computer virus typically spread to other computers?

• Through physical contact with infected hardware

• By exploiting vulnerabilities in network protocols

• By attaching itself to files and programs, then being transferred by users

• By automatically sending itself to contacts in the user's email address book

What is the difference between a virus and a worm?

• A virus requires user action to spread, while a worm spreads on its own

• A worm requires user action to spread, while a virus spreads on its own

• A virus is harmless, while a worm is malicious

• A worm is a type of virus

Which of the following is NOT a characteristic of a Trojan horse?

• It can replicate itself

• It appears to be a legitimate program

• It can perform actions without the user's consent

• It can provide a backdoor for attackers

What is the main characteristic that distinguishes spyware from other types of malware?

• It can delete files on the computer

• It can replicate and spread to other computers

• It is designed to collect and transmit personal information

• It encrypts files and demands a ransom

In the binary system, what does the number 10 represent in decimal notation?

• 10

• 2

• 8

• 16

Which type of malware is specifically designed to evade detection by security software?

• Adware

• Rootkit

• Ransomware

• Keylogger