If two employees are encrypting traffic between them using a single encryption key, which of the following algorithms are they using?
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A. B. C. D.B.
The correct answer is B. 3DES.
3DES (Triple Data Encryption Standard) is a symmetric encryption algorithm, which means that the same key is used for both encryption and decryption. When two employees use 3DES to encrypt traffic between them, they are using a single encryption key that is known to both of them.
RSA (Rivest-Shamir-Adleman) is an asymmetric encryption algorithm, which means that it uses two different keys for encryption and decryption. DSA (Digital Signature Algorithm) is also an asymmetric encryption algorithm, but it is primarily used for digital signatures and not for encrypting traffic between two parties.
SHA-2 (Secure Hash Algorithm 2) is a cryptographic hash function, which means that it is used to generate a fixed-size, unique representation of a message. It is not used for encryption, but rather for verifying the integrity of data.
In summary, when two employees are encrypting traffic between them using a single encryption key, they are using a symmetric encryption algorithm, such as 3DES.