GCSE Computer Science - System Security

Which of the following is the best password?

• 12345678

• Antidisestablishmentarianism

• #376DF3"£%$wDF@

• 42OctoNettlePus91

Which of the following are examples of BIOMETRICS

• fingerprint scans

• voice analysis

• gait analysis

• passwords

• RFID fobs

Which of the following are ways to make a system more secure?

• Add different access levels for different users

• Lock the door

• Disconnect from the Internet

• Use a firewall

• Pray at the altar of Lord Securitron the Omniscient

What is the best way to protect intercepted transmissions being read by a third party?

• Encryption

• Digital Signatures

• Hiding the message

• Only sending a single word at a time

What is the best way to protect against a Man in the Middle attack?

• Encryption

• Digital Signatures

• Hiding the message

• Only sending a single word at a time

What is the purpose of a firewall?

• To prevent attackers from accessing the system through the network

• To prevent data from the system being sent out onto the network

• To prevent malware from being installed on the system

• To keep your computer nice and warm

What is "Malware"?

• Software which is designed to cause damage to a system or systems

• Software designed by someone called Malcolm

• Software designed to prevent attacks from outside the computer system

• Software designed to enable people to hack your system

What is a virus?

• A malicious program which replicates by injecting its own code into other files

• A malicious program which replicates by making copies of itself and filling up RAM and secondary storage sometimes propagating across a network

• A malicious program which masquerades as a legitimate program but causes harmful execution when run

• A malicious program which encrypts all of the data on a computer system and demands payment in order to decrypt the data

What is a worm?

• A malicious program which replicates by injecting its own code into other files

• A malicious program which replicates by making copies of itself and filling up RAM and secondary storage sometimes propagating across a network

• A malicious program which masquerades as a legitimate program but causes harmful execution when run

• A malicious program which encrypts all of the data on a computer system and demands payment in order to decrypt the data

What is a trojan?

• A malicious program which replicates by injecting its own code into other files

• A malicious program which replicates by making copies of itself and filling up RAM and secondary storage sometimes propagating across a network

• A malicious program which masquerades as a legitimate program but causes harmful execution when run

• A malicious program which encrypts all of the data on a computer system and demands payment in order to decrypt the data