Computer Security and Malicious Software Quiz

How do viruses generally attach themselves to a system?

• By enhancing system performance

• By requiring user interaction or permission

• By automatically cleaning the system

• By improving internet speed

What did the ILOVEYOU virus do when downloaded?

• Improved system performance

• Overwrote files and sent copies to email contacts

• Enhanced internet speed

• Cleaned up temporary files

What should companies have clear policies about to protect their systems?

• Handling suspicious emails

• Increasing internet speed

• Reducing employee numbers

• Expanding office space

What is a risk when data is sent across a public telephone system?

• Data can be lost

• Data can be intercepted

• Data can be duplicated

• Data can be delayed

What should be done to data transferred via CD, DVD, or USB stick?

• It should be compressed

• It should be encrypted

• It should be deleted

• It should be duplicated

What is a consequence of not encrypting data sent over public networks?

• Data becomes faster

• Data can be stolen

• Data is more secure

• Data is compressed

What is a potential outcome of a cyber attack?

• Increased internet speed

• Stolen confidential information

• Enhanced software features

• Improved network security

What is an advantage of asymmetric cryptography over symmetric cryptography?

• Requires no keys

• Uses the same key for encryption and decryption

• Does not require the key to be transmitted with the message

• Is faster than symmetric cryptography

What is a drawback of asymmetric cryptography compared to symmetric cryptography?

• Less secure

• Greater latency associated with encryption and decryption

• Requires no keys

• Easier to implement

What are the main types of biometric technologies mentioned in the text?

• Fingerprint, eye retina recognition, facial recognition, and voice recognition

• DNA analysis, fingerprint, voice recognition, and gait analysis

• Facial recognition, DNA analysis, voice recognition, and iris scanning

• Voice recognition, fingerprint, DNA analysis, and facial recognition