How many layers are there in OSI model?

Q.  How many layers are there in OSI model?
- Published on 23 Sep 15

a. 7
b. 3
c. 5
d. 4

ANSWER: 7
 

    Discussion

  • Prajakta Pandit   -Posted on 19 Oct 15

    OSI Model :

    - OSI (Open Systems Interconnect) reference model consists of seven layers : physical, data-link, network, transport,session, presentation and application.

    - OSI model layers usually do not concerned exactly to the protocol stack running on an actual system.

    - 7 layers are there in OSI model.

    - It is easy to add multiple-network models.

    - It encrypts the data for security purpose.

    - The protocols are hidden in the OSI model so they can easily replaced by new protocols when the technology changes.

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