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
Which technology enables real-time monitoring and control of grid operations?
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Supervisory control and data acquisition (SCADA)
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Advanced metering infrastructure (AMI)
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Distribution automation (DA)
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Phasor measurement units (PMUs)
A
Correct answer
Explanation
Supervisory control and data acquisition (SCADA) systems are used for real-time monitoring and control of grid operations, allowing utilities to remotely monitor and manage grid components.
Which of the following is a type of transportation system that uses a network of optical fibers to transmit data?
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Fiber optic network
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Internet
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World Wide Web
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Telecommunications network
A
Correct answer
Explanation
Fiber optic networks are transportation systems that use a network of optical fibers to transmit data at high speeds.
What was the name of the first network to connect multiple computers?
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ARPANET
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NSFNET
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Internet
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World Wide Web
A
Correct answer
Explanation
ARPANET (Advanced Research Projects Agency Network) was the first network to connect multiple computers, established by the United States Department of Defense in 1969.
What is the difference between a network slice and a virtual network?
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Network slices are created on a single physical network infrastructure, while virtual networks are created on multiple physical network infrastructures.
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Network slices are isolated from each other, while virtual networks are not.
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Network slices can be customized to meet specific application requirements, while virtual networks cannot.
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All of the above
D
Correct answer
Explanation
Network slices are created on a single physical network infrastructure, are isolated from each other, and can be customized to meet specific application requirements, while virtual networks are created on multiple physical network infrastructures, are not isolated from each other, and cannot be customized to meet specific application requirements.
Which of the following is a key challenge in managing multiple network slices?
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Ensuring isolation between network slices
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Allocating resources efficiently to network slices
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Monitoring and optimizing the performance of network slices
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All of the above
D
Correct answer
Explanation
Managing multiple network slices poses several challenges, including ensuring isolation between network slices, allocating resources efficiently to network slices, and monitoring and optimizing the performance of network slices.
What is the function of a Bluetooth adapter in a mobile device?
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To connect to Wi-Fi networks
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To connect to other Bluetooth devices
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To connect to cellular networks
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To connect to NFC devices
B
Correct answer
Explanation
A Bluetooth adapter allows a mobile device to connect to other Bluetooth devices, such as headphones, speakers, and other mobile devices.
What is the purpose of a Wi-Fi adapter in a mobile device?
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To connect to Wi-Fi networks
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To connect to other Bluetooth devices
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To connect to cellular networks
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To connect to NFC devices
A
Correct answer
Explanation
A Wi-Fi adapter allows a mobile device to connect to Wi-Fi networks, providing access to the internet and other network resources.
Which of the following is NOT a common type of network analysis?
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Shortest path analysis
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Service area analysis
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Buffering
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Network allocation
C
Correct answer
Explanation
Buffering is a geoprocessing tool used to create a zone of influence around a feature, while shortest path analysis, service area analysis, and network allocation are all common types of network analysis.
Which of the following is a common type of IoT network architecture?
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Star network
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Mesh network
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Bus network
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All of the above
D
Correct answer
Explanation
Star network, mesh network, and bus network are all common types of IoT network architectures. These architectures determine how IoT devices are connected and communicate with each other.
3. What is the term used for the transmission of medical data and information over electronic communication networks?
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Telehealth
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Telemedicine
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Telemonitoring
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Telematics
D
Correct answer
Explanation
Telematics encompasses the transmission of medical data and information over electronic communication networks, including patient records, vital signs, and diagnostic images.
What is the term used to describe the interface between the CU and the CN in 5G?
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F1 interface
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E1 interface
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N1 interface
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X2 interface
C
Correct answer
Explanation
The N1 interface is used to connect the CU and the CN in 5G.
Which of the following is NOT a common type of computer network?
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Local Area Network (LAN)
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Wide Area Network (WAN)
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Personal Area Network (PAN)
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Metropolitan Area Network (MAN)
C
Correct answer
Explanation
A Personal Area Network (PAN) is not a common type of computer network. It is a small network of devices that are in close proximity to each other, such as a computer, printer, and smartphone.
What is the term for the process of transferring data from one computer to another over a network?
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Downloading
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Uploading
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Streaming
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Syncing
B
Correct answer
Explanation
Uploading is the process of transferring data from one computer to another over a network.
Which of the following is NOT a common type of internet connection?
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Dial-up
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DSL
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Cable
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Satellite
A
Correct answer
Explanation
Dial-up is not a common type of internet connection. It is an older technology that uses a telephone line to connect to the internet.
What is the primary function of a computer network?
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To connect computers and devices for communication
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To store and manage data
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To process and execute programs
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To display information on a screen
A
Correct answer
Explanation
A computer network is designed to facilitate communication and data exchange between multiple computers and devices.