What is the full form of OSI?

• optical service implementation

• open service Internet

• open system interconnection

• operating system interface

Which one of the following is not a function of network layer?

• congestion control

• error control

• routing

• inter-networking

Which layer does the data link layer take packets from and encapsulate them into frames for transmission?

• transport layer

• application layer

• network layer

• physical layer

Which type of network shares the communication channel among all the machines?

• anycast network

• multicast network

• unicast network

• broadcast network

Which of the following allows you to connect and login to a remote computer?

• SMTP

• HTTP

• FTP

• Telnet

A _______ is the physical path over which a message travels.

• Path

• Medium

• Protocol

• Route

The functionalities of the presentation layer include ____________

• Data compression

• Data encryption

• Data description

• All of the above

Which of the following statements can be associated with OSI model?

• A structured way to discuss and easier update system components

• One layer may duplicate lower layer functionality

• Functionality at one layer no way requires information from another layer

• It is an application specific network model

In TCP IP Model, when data is sent from device A to device B, the 5th layer to receive data at B is ____________

• Application layer

• Transport layer

• Link layer

• Session layer

In the OSI model, as a data packet moves from the lower to the upper layers, headers are _______

• Added

• Removed

• Rearranged

• Randomized