Computer Networks Concepts

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Questions and Answers

Which of the following best describes the primary function of an access control policy?

  • To determine who can access specific resources and actions they can perform. (correct)
  • To establish a high-speed internet connection.
  • To measure the speed of data transmission.
  • To enable wireless communication between devices.

What unit is typically used to measure bandwidth?

  • Hertz (Hz)
  • Bits per second (bps) (correct)
  • Amperes (A)
  • Volts (V)

Which technology is commonly used for connecting peripherals like headphones and keyboards over short distances?

  • DSL
  • Broadband
  • Bluetooth (correct)
  • Cable Modem

Which of the following is a characteristic of a broadband internet connection?

<p>It is always on and faster than traditional dial-up. (D)</p> Signup and view all the answers

In a bus topology, how are devices connected?

<p>All devices are connected to a single central cable or bus. (D)</p> Signup and view all the answers

What is the primary function of a cable modem?

<p>To provide internet access through a cable television line. (B)</p> Signup and view all the answers

In a client/server model, what is the role of the 'client'?

<p>To request services and resources. (B)</p> Signup and view all the answers

Which of the following accurately describes a computer network?

<p>A group of interconnected computers that share resources. (A)</p> Signup and view all the answers

What does the data transfer rate measure?

<p>The speed at which data is transmitted over a network. (B)</p> Signup and view all the answers

What type of technology does a Digital Subscriber Line (DSL) use to provide high-speed internet access?

<p>Telephone lines (A)</p> Signup and view all the answers

Flashcards

Access Control Policy

Rules that determine who can access specific resources or data in a system and which actions they can perform.

Bandwidth

The maximum amount of data that can be transmitted over a network connection in a given amount of time, usually measured in bits per second (bps).

Bluetooth

A wireless technology that allows devices to communicate over short distances, typically used for connecting peripherals like headphones and keyboards.

Broadband

A high-speed internet connection that is always on and faster than traditional dial-up access, such as DSL, cable, and fiber-optic.

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Bus Topology

A network configuration where all devices are connected to a single central cable, or bus, through which data is transmitted.

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Cable Modem

A device that provides internet access by connecting to a cable television line.

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Client/Server Model

A network architecture where clients (user devices) request services and resources from servers (centralized computers) that provide them.

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Computer Network

A group of interconnected computers and devices that can share data and resources.

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Data Transfer Rate

The speed at which data is transmitted between devices over a network, usually measured in bits per second (bps).

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Digital Subscriber Line (DSL)

A technology that provides high-speed internet access through telephone lines.

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Study Notes

  • Access control policy determines who can access specific resources or data in a system and what actions they can perform.
  • Bandwidth is the maximum amount of data that can be transmitted over a network connection in a given amount of time, typically measured in bits per second (bps).
  • Bluetooth is a wireless technology enabling devices to communicate over short distances, commonly used for peripherals like headphones and keyboards.
  • Broadband is a high-speed, always-on internet connection that is faster than traditional dial-up, including DSL, cable, and fiber-optic.
  • Bus topology is a network configuration where all devices connect to a central cable or bus for data transmission.
  • Cable modem is a device providing internet access via a connection to a cable television line.
  • Client/server model is a network architecture where client devices request services and resources from centralized servers.
  • A computer network is a group of interconnected devices that share data and resources.
  • Data transfer rate refers to the speed at which data is transmitted between devices over a network, usually measured in bits per second (bps).
  • Digital Subscriber Line (DSL) is a technology that provides high-speed internet access through telephone lines.

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