Test: Reference Models- 2

open system interconnection

operating system interface

optical service implementation

none of the mentioned

4

5

6

7

session layer

presentation layer

application layer

both (a) and (b)

session layer

data link layer

transport layer

network layer

physical address and logical address

port address

specific address

all of the mentioned

prior to

after

simultaneous to

none of the mentioned

network layer

transport layer

session layer

data link layer

physical address

logical address

port address

specific address

application layer

session layer

presentation layer

none of the mentioned

network layer

physical layer

data link layer

transport layer