Computer Science - Data Security Quiz

What is data security?

• Encrypting data to make it meaningless

• Determining what data is shared with a third party

• Making sure data is valid and does not corrupt after transmission

• Ensuring data is protected against loss and unauthorized access

What is the purpose of anti-virus software?

• To detect and remove viruses

• To detect and remove spyware

• To encrypt data

• To validate data

What is the risk associated with hacking?

• Attempt to obtain user's confidential data

• Running in the background to detect viruses

• Illegal access to a computer system

• Redirecting users to fake websites

What is the purpose of encryption?

• Making sure data is valid and does not corrupt after transmission

• Determining whether someone is who they claim to be

• Checking data for known malicious patterns

• Conversion of data to code by encoding it

What is the purpose of data backup?

• Creating an exact copy of data in case the original is lost or corrupted

• Checking whether data entered is sensible and accurate

• Determining whether someone is who they claim to be

• Conversion of data to code by encoding it

What is the purpose of data validation?

• Checking if data entered is valid, but not its accuracy

• Conversion of data to code by encoding it

• Checking whether data entered is accurate during data entry and data transfer

• Ensuring data is protected against loss and unauthorized access

What is the purpose of data verification?

• Checking data entered is accurate during data entry and data transfer

• Checking if data entered is valid, but not its accuracy

• Ensuring data is protected against loss and unauthorized access

• Conversion of data to code by encoding it

What is the purpose of a firewall?

• Ensuring data is protected against loss and unauthorized access

• Checking data for known malicious patterns

• Determining whether someone is who they claim to be

• Filtering information travelling between the computer system and the internet

What is the purpose of authentication?

• Determining whether someone is who they claim to be

• Checking data for known malicious patterns

• Creating an exact copy of data in case the original is lost or corrupted

• Checking whether data entered is accurate during data entry and data transfer

What is the purpose of data integrity?

• Determining whether someone is who they claim to be

• Ensuring data is protected against loss and unauthorized access

• Checking data for known malicious patterns

• Data validation and data verification to protect the integrity of data