Question

Which statements are true regarding EFS?

Option 1: EFS can encrypt files stored on Windows 2000, Windows XP Pro, and Windows Server 2003
Option 2: EFT protects data in transit
Option 3: EFS uses symmetric and asymmetric cryptography
Option 4: EFS is used for file compression

Answer 1

EFS, or Encrypting File System, is a feature in some Windows operating systems that uses both symmetric and asymmetric cryptography for encrypting files to protect sensitive data. EFS is supported in Windows 2000, XP Pro, and Server 2003, but it is not related to data in transit (EFT) or used for file compression.

Step-by-step explanation:

The Encrypting File System (EFS) is a feature available in some versions of Microsoft Windows that provides filesystem level encryption. The purpose of EFS is to protect sensitive data by encrypting it on the hard drive so that it is inaccessible to unauthorized users.

Regarding the options provided:

1. EFS can indeed encrypt files on Windows 2000, Windows XP Pro, and Windows Server 2003, among other versions.
2. Electronic Funds Transfer (EFT) is actually the term used for the electronic transfer of money and is not related to EFS. Thus, EFT protects data in transit, while EFS does not offer this function as it's focused on encrypting files stored on the system.
3. EFS employs both symmetric and asymmetric cryptography. The symmetric key encrypts the data, and the asymmetric key encrypts the symmetric key itself.
4. EFS is not used for file compression; its primary purpose is file encryption.

In summary, statements 1 and 3 are true regarding EFS, while statement 2 is incorrect as it confuses EFS with EFT, and statement 4 is false since EFS is for encryption, not compression.