Computer Knowledge
Computer Networks
2,095 Questions
Computer networks form the backbone of digital communication, connecting multiple devices to share data and resources. This area covers network architectures, transmission media, modems, and topologies like LAN. These concepts are crucial for computer knowledge sections in banking and government exams.
Network topologiesModulation and demodulationNetwork addressingFiber optic cablesWireless infrastructure
Computer Networks Questions
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Router
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FDDI
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Frame Relay
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ATM
A
Correct answer
Explanation
FDDI, Frame Relay, and ATM are WAN technologies/protocols. A Router is a networking device used to connect networks, making it the odd one out.
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Network
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Transport
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Physical
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System
D
Correct answer
Explanation
Network, Transport, and Physical are all layers of the OSI model, whereas System is not a standard layer in that model.
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hardware device
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software device
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protocol
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browser
A
Correct answer
Explanation
A network switch is a networking hardware device that connects devices on a computer network by using packet switching to receive and forward data to the destination device.
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to transfer files from one system to other
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to access internet
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to download the web browser
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none of above
A
Correct answer
Explanation
FTP (File Transfer Protocol) is a standard network protocol used for the transfer of computer files between a client and server on a computer network.
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cables
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software
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both (1) and (2)
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none of above
A
Correct answer
Explanation
Physical connection in a network refers to the actual transmission medium, such as copper wires, fiber optic cables, or coaxial cables, used to connect devices.
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permitting access to certain files by every user
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extending electronic messaging facility
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optimizing resource sharing
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all of the above
D
Correct answer
Explanation
A Local Area Network (LAN) is designed to facilitate resource sharing (files, printers, applications) and communication (messaging) among users within a limited geographical area.
A
Correct answer
Explanation
ISDN (Integrated Services Digital Network) was developed to provide digital transmission of voice and data over standard telephone lines, replacing older analog systems.
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Electronic banking
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Online selling
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Transactions
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Electronic commerce
D
Correct answer
Explanation
Electronic commerce, or e-commerce, is the standard term for buying and selling goods or services using the internet and other telecommunications networks.
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BUS
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Star
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Mesh
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None of the above
A
Correct answer
Explanation
BUS is a shared communication, consisting of one or a collection of lines. The CPU, memory and I/O devices may be connected by a common BUS topology.
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Address Bus
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System Bus
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Data Bus
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All of the above
C
Correct answer
Explanation
Data lines provide path for moving data between data system modules called as data bus. Example - 32 bit path data bus is viewed as a collection of wires.
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in a ISDN connection
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in a Dial-up connection
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in a cable connection
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all of the above
B
Correct answer
Explanation
Dial-up connections use a modem to convert digital signals from a computer into analog signals that can be transmitted over standard telephone lines.
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text chat
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voice chat
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telephonic calls
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all of the above
D
Correct answer
Explanation
Modern messaging applications are versatile and support various communication methods including text, voice, and video calls.
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internal
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external
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both (1) and (2)
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none of these
C
Correct answer
Explanation
Modems are hardware devices that facilitate internet connectivity. They can be integrated inside a computer (internal) or connected via a port (external).
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Computer
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Modem
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Website
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ISP
C
Correct answer
Explanation
To connect to the internet, you need a computer, a modem, and an ISP. A website is a destination on the internet, not a requirement to establish the connection itself.
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Internet Services Digital Network
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Internet Services Dial-up Network
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Integrated Services Digital Network
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Integrated Services Dial-up Network
C
Correct answer
Explanation
ISDN stands for Integrated Services Digital Network, a set of communication standards for simultaneous digital transmission of voice and data.