Computer Networks MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation

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What is the primary purpose of ‘NAT’ (Network Address Translation)?

A. To translate private IP addresses to a public IP address
B. To increase network speed
C. To encrypt data
D. To manage network traffic

Answer: To translate private IP addresses to a public IP address

What is ‘network congestion’?

A. A state where the network is overloaded with data, causing delays
B. A method for increasing network speed
C. A technique for encrypting data
D. A type of network hardware

Answer: A state where the network is overloaded with data, causing delays

What is a ‘proxy server’?

A. A server that acts as an intermediary for requests from clients seeking resources from other servers
B. A type of network switch
C. A hardware component that connects devices
D. A protocol for secure communication

Answer: A server that acts as an intermediary for requests from clients seeking resources from other servers

What is a ‘repeater’ used for in a network?

A. To amplify and retransmit signals over long distances
B. To connect multiple networks
C. To store data
D. To encrypt network traffic

Answer: To amplify and retransmit signals over long distances

What does ‘DMZ’ stand for in network security?

A. Demilitarized Zone
B. Direct Memory Zone
C. Data Management Zone
D. Distributed Management Zone

Answer: Demilitarized Zone

What is a ‘packet-switching’ network?

A. A network that divides data into packets for transmission
B. A network that uses a single, continuous connection
C. A type of network cable
D. A method for data encryption

Answer: A network that divides data into packets for transmission

What is a ‘subnet’?

A. A segment of a network designed to operate as a smaller network within a larger network
B. A type of network device
C. A protocol for network communication
D. A method for encrypting data

Answer: A segment of a network designed to operate as a smaller network within a larger network

What is a ‘network interface card (NIC)’?

A. A hardware component that connects a computer to a network
B. A type of network switch
C. A protocol for network communication
D. A software application

Answer: A hardware component that connects a computer to a network

What is a ‘data packet’?

A. A unit of data transmitted over a network
B. A type of network cable
C. A hardware component
D. A software application

Answer: A unit of data transmitted over a network