Answer / sunilbaglur

Application

The Application layer performs the following: Synchronizing
sending and receiving applications. Program-to program
communication. Identify and establish the availability of
the intended communication partner, and determine if
sufficient resources exist for the communication. Popular
application protocols include WWW, SMTP, EDI, FTP, Telnet,
and SNMP

Answer / dev

session layer is responsible for establishing, maintaining,
and terminating session.

Answer / naeem

sessionlayer is responsible for identifying and
establishing
the availability of the intended communication.

Answer / sathishbabu

transport layer

tcp- connection oriented
udp- connection less

Answer / swaroop

Session

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