WJEC Computer Science KO - Security and Data Management

What is the definition of encryption?

• Conversion of data into a form that may be decompressed without any loss of data

• Conversion of data into cyphertext that cannot be understood by people without the decryption key

• The process of reducing file size to allow more data to be stored on the disk

• The range of measures that can be taken to protect computer systems from cyberattack

What is the process of reducing file size to allow more data to be stored on the disk and increase transfer speeds?

• Compression

• Encryption

• Backup

• Archiving

What is a copy of data that can be used if the original data is lost?

• Compression

• Archiving

• Backup

• Encryption

What is the term used for any kind of computer software written to enable a cyberattack?

• Vulnerabilities

• Cookies

• Malware

• Cybersecurity

What is the range of measures that can be taken to protect network data from accidental or malicious damage?

• Network security

• Encryption

• Cybersecurity

• Compression

What is the process of storing data that is not in current use for security, legal or historical reasons?

• Archiving

• Encryption

• Backup

• Compression

What is the term for any kind of computer software written to enable a cyberattack?

• Vulnerabilities

• Cookies

• Malware

• Cybersecurity

What is the process of reducing file size to allow more data to be stored on the disk and increase transfer speeds?

• Encryption

• Archiving

• Backup

• Compression

What is the range of measures that can be taken to protect computer systems from cyberattack?

• Network security

• Cybersecurity

• Compression

• Encryption