ISRO2015-58

Question

Which layers of the OSI reference model are host-to-host layers?

• A. Transport, session, presentation, application
• B. Session, presentation, application
• C. Datalink, transport, presentation, application
• D. Physical, datalink, network, transport

Answer 1

Answer is [a] : Application layer, Presentation layer, Session layer, Transport Layer.

Comments

what is the difference between host layesrs and media layers

Answer 2

Option A:

Transport, Session ,Presentation nd Application layer are actually Host to Host Layer.
For more Info plz visit below Link.

Exclude Network Layer bcz below diagram is TCP/IP not for OSI.

https://en.wikipedia.org/wiki/OSI_model

Answer 3

ans is A

Answer 4

network layer is host to host,but here network layer and above are not given so better choosing A. Actually transport layer is end to end but as network is not provided so we chose A.

Comments

network layer isn't host to host ?

Answer 5

This question is wrong. Host-to-host layer is the Network layer (also: Source to Destination layer).

What they mean in this question is to enlist the host layers, for which Option A suits.