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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The device name can be different from the hostname of the device.
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A network device should have an IP address and a subnet mask.
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Two devices cannot have the same IP address.
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Two devices cannot be defined with the same IP range.
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None of the above
E
Correct answer
Explanation
All are correct statements.
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It is used as a transmission line for radio frequency signals.
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It has the signal propagation like that of the electromagnetic wave.
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It is often shielded in an attempt to prevent electromagnetic interference.
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All of the above
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Both (1) and (2)
E
Correct answer
Explanation
These are the correct statements about coaxial cabling technique for LAN connectivity.
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It can support multiple signals travelling through the same cable, unlike coaxial cables.
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UTP cables are found in many Ethernet networks and telephone systems.
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UTP cabling has a relatively lower cost as compared to optical fiber and coaxial cable.
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All of the above
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Both (1) and (2)
D
Correct answer
Explanation
These are correct statements about UTP cabling.
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A proxy chain can use two or more proxy servers to assist in server and protocol performance and network security.
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Proxy chaining is the use of reverse and forward proxy servers across multiple networks.
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Proxy chaining gives better security and performance.
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The first proxy server in a chain will check to make sure a request is valid.
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All of the above
E
Correct answer
Explanation
All are the correct statements about proxy chaining.
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Systems Network Architecture
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Semantic network architecture
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Sessional Network Architecture
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Selective Network Architecture
A
Correct answer
Explanation
Systems Network Architecture (SNA) is a proprietary networking protocol architecture created by IBM in 1974. It defines the rules for how data is transmitted across a network.
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Automatic Transition Network
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Augmented Transfer Network
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Augmented Transition Network
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Adjoining Transition Network
C
Correct answer
Explanation
An Augmented Transition Network (ATN) is a type of graph used in computational linguistics to represent natural language grammars.
B
Correct answer
Explanation
Historically, 9600 bps was a common and standard speed for early dial-up modems to establish a reliable connection to the internet.
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Local Area Network
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Wide Area Network
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Metropolitan Area Network
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Internet
A
Correct answer
Explanation
A Local Area Network (LAN) is designed to connect computers within a limited physical area, such as a home, office, or building. WAN covers larger distances, while MAN covers a city.
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Limited Area Network
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Local Area Network
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Lower Area Network
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None of these
B
Correct answer
Explanation
LAN stands for Local Area Network, a computer network that interconnects computers within a limited area. The other options are incorrect.
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Operation subsystem
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Base station subsystem
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Diffraction loss
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Mobile unit
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Synchronization channel
B
Correct answer
Explanation
This subsystem connects to the MS through a radio interface and also connects to the NSS.
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packet
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data
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access method
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token
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None of these
D
Correct answer
Explanation
In a token ring network, a small frame called a token circulates around the ring. A computer must capture the token before it is permitted to transmit data, which prevents collisions.
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mainframe
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network
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supercomputer
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client
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None of these
B
Correct answer
Explanation
A server is a computer or system that provides resources, data, services, or programs to other computers, known as clients, over a network.
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router
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modem
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node
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cable
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None of these
A
Correct answer
Explanation
A router is the networking device required to connect multiple devices to a single broadband Internet connection. It manages traffic between the local network and the external Internet.
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architecture
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server
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transmission
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type
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None of these
A
Correct answer
Explanation
Network architecture refers to the overall design and layout of a computer network, including the physical components, functional organization, and operational procedures.
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Cable
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DSL
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Dial-up
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Satellite
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None of these
C
Correct answer
Explanation
Dial-up is a legacy connection method that uses standard telephone lines and is significantly slower than modern broadband technologies like Cable, DSL, or Satellite.