Which technique encrypts the full contents of specific files?

Which technique encrypts the full contents of specific files?

• A. Disk Encryption
• B. File-Level Encryption
• C. Column-Level Database Encryption
• D. Network Encryption

Answer: (B)

Protecting the exact contents of chosen files is file-level encryption. This approach targets individual files and ensures everything inside those files is encrypted, so only someone with the proper key can open them, regardless of where the files are stored. It’s different from disk encryption, which covers the entire disk or partition and can include material you might not need to protect or that complicates management. It also differs from column-level database encryption, which hides only specific data fields inside a database rather than whole files, and from network encryption, which protects data as it moves across networks rather than data at rest on storage. File-level encryption is ideal when you want selective protection of sensitive documents, such as reports or personal records, without encrypting everything on the storage device.

Protecting the exact contents of chosen files is file-level encryption. This approach targets individual files and ensures everything inside those files is encrypted, so only someone with the proper key can open them, regardless of where the files are stored. It’s different from disk encryption, which covers the entire disk or partition and can include material you might not need to protect or that complicates management. It also differs from column-level database encryption, which hides only specific data fields inside a database rather than whole files, and from network encryption, which protects data as it moves across networks rather than data at rest on storage. File-level encryption is ideal when you want selective protection of sensitive documents, such as reports or personal records, without encrypting everything on the storage device.