Two devices are in the network if:

• A. A process in one device is able to exchange information with a process in another device
• B. A process is running on both devices
• C. Pids of the processes running on different devices are the same
• D. None of these

In computer network nodes are:

• A. The computer that originates the data
• B. The computer that routes the data
• C. The computer that terminates the data
• C) All of the these

A communication channel is shared by all the machines on the network in?

• A. Broadcast network
• B. Uni-cast network
• C. Multicast network
• D. Anycast network

Bluetooth is an example of …….?

• A. Personal area network
• B. Local area network
• C. Virtual private network
• D. Wide area network

A ……. is a device that forwards packets between networks by processing the routing information included in the packet?

• A. Bridge
• B. Firewall
• C. Router
• D. All of these

A list of protocols used by a system one protocol per layer is called?

• A. Protocol architecture
• B. Protocol stack
• C. Protocol suite
• D. Protocol system

Network congestion occurs:

• A. In case of traffic overloading
• B. When a system terminates
• C. When the connection between two nodes terminates
• D. In case of transfer failure

Which of the following networks extends a private network across public networks?

• A. Local area network
• B. Virtual private network
• C. Enterprise private network
• D. Storage area network

The network layer concerns with ……?

• A. Bits
• B. Frames
• C. Packets
• D. None of these

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

• A. Routing
• B. Inter-networking
• C. Congestion control
• D. None of these