Which layer of OSI reference model is responsible for 'Encryption & Decryption' and 'Compression & Decompression'?

Posted By :Abhisek Panda Posted Date :January 30, 2010 Points :10 Category :Networking

Presentation layer of OSI model is responsible for 'Encryption & Decryption' and 'Compression & Decompression' for data security.

You can also find related Interview Question to Which layer of OSI reference model is responsible for ''Encryption & Decryption'' and ''Compression & Decompression''? below:

How session layer in OSI model is responsible for Synchronisation and recovery?

Session layer creates certain check points while transmitting volumes of data in a sequence. When there is a problem in the transmission in the middle of any bulk of data, transmission will take place from the check point where it was left. This function of Session layer is called Synchronisation and recovery. (More...)

What is OSI reference model?

OSI(Open System Interconnection) is a network communication standard developed by ISO. (More...)

Synchronisation and Recovery in OSI model happens in which layer?

Synchronisation and Recovery in OSI model happens in Session layer. Session layer is also responsible for Token Management. (More...)

IEEE 802.3 Logical relationship with OSI Reference Model?

1. IEEE 802.3 physical layer corresponds to the OSI physical layer.

2. OSI data link layer is divided into two IEEE 802 sublayers .

(A). The Media Access Control (MAC) sublayer .

(B). The MAC-client sublayer . (More...)

ATM - Protocol Reference Model ?

ATM protocol reference model describes the functions of different types of layers and organizational units that act on data when it is transmitted using ATM technology. (More...)

What are the major data structures used in RDBMS, Network data model & Hierarchical data model.

RDBMS - Array (i.e. Array of structures)
Network data model - Graph
Hierarchical data model - Trees (More...)

What is Data Model?

A collection of conceptual tools for describing data, data relationships data semantics and constraints. (More...)

What is E-R model?

This data model is based on real world that consists of basic objects called entities and of relationship among these objects. Entities are described in a database by a set of attributes. (More...)

What is Object Oriented model?

This model is based on collection of objects. An object contains values stored in instance variables with in the object. An object also contains bodies of code that operate on the object. These bodies of code are called methods. Objects that contain same types of values and the same methods are grouped together into classes. (More...)

what are value types and reference types?

Value type - bool, byte, chat, decimal, double, enum , float, int, long, sbyte, short, strut, uint, ulong, ushort
Value types are stored in the Stack
Reference type - class, delegate, interface, object, string
Reference types are stored in the Heap (More...)

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