COMPUTER FUNDAMENTALS

COMPUTER ETHICS AND SECURITY

TYPES OF THREATS AND ATTACKS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The layer that is responsible for message encryption/decryption, compression and translation is:
A
Layer 4
B
Layer 5
C
Layer 6
D
Layer 7
Explanation: 

Detailed explanation-1: -Presentation layer: The presentation layer is the sixth layer of the OSI model. The presentation layer allows you to define the form in which the data is exchanged between the two communicating entities. This layer is responsible for the translation, encryption, and compression of data.

Detailed explanation-2: -The presentation layer The presentation layer is responsible for translation, encryption, and compression of data.

Detailed explanation-3: -Encryption and decryption of data communications are also performed at the presentation layer.

Detailed explanation-4: -Layer 6 of The OSI Model: Presentation Layer is the layer of the ISO Open Systems Interconnection (OSI) model that establishes context between application-layer entities, in which the higher-layer entities may use different syntax and semantics if the presentation service provides a mapping between them.

Detailed explanation-5: -OSI Layer 6-Presentation Layer It relieves the application layer of concern regarding syntactical differences in data representation within the end-user systems. An example of a presentation service would be the conversion of an EBCDIC-coded text computer file to an ASCII-coded file.

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