COMPUTER FUNDAMENTALS

COMPUTER NETWORKS AND COMMUNICATIONS

NETWORK TOPOLOGIES AND PROTOCOLS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Encryption requires a key?
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -One key is used to encrypt the information and the other is used to decrypt the information. Sometimes this is referred to as asymmetric encryption because two keys are required to make the system and/or process work securely.

Detailed explanation-2: -Encryption protocols use a key to alter data so that it’s scrambled, and so that anyone without the key can’t decode the information.

Detailed explanation-3: -In simple terms, encryption is the process through which data is encoded so that it remains hidden from or inaccessible to unauthorized users. It helps protect private information, sensitive data, and can enhance the security of communication between client apps and servers.

Detailed explanation-4: -Encryption is the method by which information is converted into secret code that hides the information’s true meaning. The science of encrypting and decrypting information is called cryptography. In computing, unencrypted data is also known as plaintext, and encrypted data is called ciphertext.

Detailed explanation-5: -A cryptographic key that is used for the encryption or decryption of other keys to provide confidentiality protection for those keys.

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