Computer Knowledge
Computer Networks
2,256 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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A horizontal naming system
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A vertical naming system
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A hierarchical distributed naming system
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A client server system
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A networking system
C
Correct answer
Explanation
The Domain Name System (DNS) is a hierarchical distributed naming system for computers, services, or any resource connected to the Internet or a private network. It associates various information with domain names assigned to each of the participating entities
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HTTP
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FTP
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Telnet
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Ping
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Finger
D
Correct answer
Explanation
Ping is a computer network administration utility used to test the reachability of a host on an Internet Protocol (IP) network and to measure the round-trip time for messages sent from the originating host to a destination computer.
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Bus
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Ring
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Star
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Tree
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Both 1 and 3
E
Correct answer
Explanation
Yes, in bus and star architecture all the nodes are connected to the central device. Some times it is called as hub or main system.
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It is suitable for small networks.
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It requires more number of cables.
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In bus topology, limited number of stations can be connected.
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It is cheap.
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It is easy to handle.
B
Correct answer
Explanation
No bus topology requires only single cable. So this choice is incorrect .
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server
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network
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ethernet
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coaxial cables
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other clients
A
Correct answer
Explanation
Yes, it is correct choice. In 2 tier architecture, the client interacts with a server.
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Digital Session Link
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Digital Subscriber Link
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Data State Link
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Data Standard Link
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Digital Stainless Link
B
Correct answer
Explanation
This is the correct option and DSL modems are used to connect computers having ethernet cables.
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ARPANET
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ENIAC
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Alohanet
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EDVAC
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UNIVAC
C
Correct answer
Explanation
This was the first wireless Local Area Network.
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Call forwarding
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Call barring service
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Multi party services
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Call hold
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Call waiting
B
Correct answer
Explanation
This supplementary service in GSM network refers to a service enabled by a subscriber by barring either incoming or outgoing call.
B
Correct answer
Explanation
This network refers to the international telephone system based on copper wires carrying analog voice data.
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network
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router
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server
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tunnel
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pipeline
A
Correct answer
Explanation
Network is the interconnection of two or more computers.
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Outernet
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Globalnet
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Opennet
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Extranet
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Onnet
D
Correct answer
Explanation
Yes it's correct choice. An extranet actually combines both the Internet and an intranet. It extends an intranet, or internal network to other users over the Internet.
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pendrive
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web browser
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key - board
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modem
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data - cable
D
Correct answer
Explanation
It is the hardware, which helps to connect to the internet.
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0.5 kms
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2 kms
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50 km
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More than 50 km
B
Correct answer
Explanation
LAN covers a small distance, typically within a single building or a college campus. It's connectivity range is actual 2 kms. LAN can share resources and other devices and also communicate with in 2 kms.
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Retrieve the stored information
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Use of MS-Office
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Share resources & files
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Create Newsletters and brochures
C
Correct answer
Explanation
The computer networks make resources available to any one on the network regardless of the physical location of the resource or the user. The files can be shared in a computer network in two ways. The one way is to transmit the file or data form your computer to the other computer directly. The other way is to send data to an intermediate place, from where the other person can pick it up later.
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10 kbps-600 mbps
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10-1000 meters
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0.1 to 100 MBPS
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5 to 50 km
A
Correct answer
Explanation
Bandwidth is the number of bits processed in a single instruction. It is the total maximum capacity of a network connection. Wide Area Network processed 10 kbps-600 mbps in a single instruction.