What is the full form of OSI?

• A. Optical service implementation
• B. Open service internet
• C. Open system interconnection
• D. Operating system interface

When a collection of various computers appears as a single coherent system to its clients, what is this called?

• A. Mail system
• B. Networking system
• C. Computer network
• D. Distributed system

How many layers are there in the ISO OSI reference model?

• A. 7
• B. 5
• C. 4
• D. 6

What are nodes in a computer network?

• A. The computer that routes the data
• B. The computer that terminates the data
• C. The computer that originates the data
• D. All of the mentioned

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

• A. Routing
• B. Inter-networking
• C. Congestion control
• D. Error control

How is a single channel shared by multiple signals in a computer network?

• A. Multiplexing
• B. Phase modulation
• C. Analog modulation
• D. Digital modulation

Which of the following devices forwards packets between networks by processing the routing information included in the packet?

• A. Firewall
• B. Bridge
• C. Hub
• D. Router

What is the term for an endpoint of an inter-process communication flow across a computer network?

• A. Port
• B. Machine
• C. Socket
• D. Pipe

How do two devices become part of a network?

• A. Pids of the processes running of different devices are same
• B. A process in one device is able to exchange information with a process in another device
• C. A process is active and another is inactive
• D. A process is running on both devices

Which of this is not a network edge device?

• A. Pc
• B. Smartphones
• C. Servers
• D. Switch