Communication Methods Quiz
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Questions and Answers

Which method of communication relies on an antenna to receive signals?

  • Satellite communication
  • Wired communication
  • Wireless communication
  • Broadcast (correct)

What type of communication uses cables for data transmission?

  • Wireless communication
  • Wired communication (correct)
  • Satellite communication
  • Broadcast

Which of the following is NOT an example of satellite communication?

  • Ethernet connections (correct)
  • Televisions
  • Military devices
  • GPS

What is the main function of transmitters in broadcast communication?

<p>Broadcasting signals to antennas (A)</p> Signup and view all the answers

Which of the following communication methods is characterized by the absence of physical connections?

<p>Wireless communication (D)</p> Signup and view all the answers

What is a primary advantage of free software?

<p>Regular updates and better support (A)</p> Signup and view all the answers

Which statement accurately describes open source software?

<p>The source code is publicly available for modification. (B)</p> Signup and view all the answers

What is one potential disadvantage of using open source software?

<p>User support might not be readily available. (A)</p> Signup and view all the answers

Which of the following best characterizes free software licensing?

<p>Users can edit, modify, and charge for it. (D)</p> Signup and view all the answers

What common feature differentiates proprietary software from open source software?

<p>Users must pay for a license to use it. (A)</p> Signup and view all the answers

What is one advantage of wireless communication?

<p>It allows access from a greater distance. (D)</p> Signup and view all the answers

Which of the following statements is true about wired communication?

<p>Wired communication can handle more data than a Wi-Fi connection. (B)</p> Signup and view all the answers

What is a disadvantage of using wired communication?

<p>It requires physical cables that could create tripping hazards. (C)</p> Signup and view all the answers

Which statement accurately reflects a benefit of wireless communication?

<p>It eliminates the need for purchasing extra cables. (B)</p> Signup and view all the answers

Why is wired communication considered to be more secure?

<p>It uses physical cables to contain the signal. (B)</p> Signup and view all the answers

What does bandwidth refer to in digital communication?

<p>The amount of data transferred every second (D)</p> Signup and view all the answers

Which of the following activities is most likely to require higher bandwidth?

<p>Watching movies online (A)</p> Signup and view all the answers

What is the primary purpose of buffering during video playback?

<p>To store video data temporarily for smoother playback (B)</p> Signup and view all the answers

Which term describes the delay in time it takes to transfer data between devices?

<p>Latency (D)</p> Signup and view all the answers

Which of the following statements about bandwidth is accurate?

<p>Bandwidth determines the speed of downloading media. (A)</p> Signup and view all the answers

Which statement accurately describes the role of interference in data transfer?

<p>Interference can disrupt signals, leading to decreased performance. (B)</p> Signup and view all the answers

How does distance affect data transfer?

<p>Greater distance can make communication more difficult. (D)</p> Signup and view all the answers

What is the relationship between bandwidth and data transfer speed?

<p>Higher bandwidth generally leads to faster data transfer. (D)</p> Signup and view all the answers

Which of the following best differentiates buffering from lag?

<p>Buffering pertains to data loading, while lag refers to delays in system response. (A)</p> Signup and view all the answers

What consequences can blockages have during data transfer?

<p>Blockages can delay progress, limiting access to essential resources. (A)</p> Signup and view all the answers

What type of network is specifically designed to connect devices within a small geographical area, such as a group of buildings?

<p>Local Area Network (LAN) (C)</p> Signup and view all the answers

Which type of server is responsible for managing all print jobs in a network?

<p>Print Server (D)</p> Signup and view all the answers

What is one of the key benefits of using a Local Area Network (LAN)?

<p>Shared printers and storage among computers (C)</p> Signup and view all the answers

In a client-server network, what distinguishes a server from a client?

<p>The server provides services and resources to clients (C)</p> Signup and view all the answers

Which of the following is NOT a function of a Database Server?

<p>Managing print jobs (D)</p> Signup and view all the answers

What is a primary advantage of tethering?

<p>It enables internet access anywhere. (B)</p> Signup and view all the answers

Which of the following is a potential disadvantage of tethering?

<p>It can drain the phone's battery quickly. (D)</p> Signup and view all the answers

In what scenario is tethering most beneficial?

<p>When multiple devices need a connection in an area without Wi-Fi. (D)</p> Signup and view all the answers

What type of network does tethering primarily utilize?

<p>Personal Area Network (PAN) (C)</p> Signup and view all the answers

What is a common misconception regarding the costs associated with tethering?

<p>Tethering never incurs any additional data charges. (B)</p> Signup and view all the answers

What is one of the main functions of a network operating system?

<p>Maintain the network connection to the servers (B)</p> Signup and view all the answers

Which component is responsible for determining the best path for data across a network?

<p>Router (C)</p> Signup and view all the answers

What role does a gateway play in a network?

<p>Connects a Local Area Network (LAN) to a Wide Area Network (WAN) (A)</p> Signup and view all the answers

Which of the following components allows devices to connect to a network using Wi-Fi?

<p>Wireless Access Point (C)</p> Signup and view all the answers

What purpose does a file server serve in a network?

<p>Stores and manages files accessible by other computers (B)</p> Signup and view all the answers

Flashcards

Free Software

Users can modify and distribute software and decide to charge or not.

Open Source Software

Software with publicly available source code, often free to use and modifiable by users.

Software Licensing

Rules governing the use, modification, and distribution of software.

Proprietary Software

Software with restricted use, modification, and distribution rights.

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Free Software Advantages

Well-maintained, regular updates, and better support.

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Satellite Communication

A way digital devices transmit data using satellites.

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Broadcast Communication

Sending signals (TV/radio) to many receivers at once.

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Wired Communication

Digital devices using cables to connect.

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Wireless Communication

Digital devices connecting without cables.

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Digital Device Communication

Different ways for digital devices to send and receive information.

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Advantages of Wireless Communication

More convenient, allows mobility and flexibility, and requires no physical installation.

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Advantages of Wired Communication

More secure, less prone to interference, and potentially faster data transfer rates.

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What makes wired communication more secure?

The data travels within a single, physical cable, making it harder to intercept or compromise.

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Bandwidth

The maximum amount of data that can be transferred per second over a connection.

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High Bandwidth Activities

Tasks requiring significant data transfer, like downloading large files, streaming high-resolution videos, or playing online games.

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Buffering

Temporarily storing data (like video) in a small space on your computer before playing it.

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Latency

The delay in time between sending and receiving data.

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What impacts data transfer speed?

Factors like bandwidth, latency, and network congestion can influence how quickly data is transferred.

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Data Transfer Speed

The rate at which data is moved from one location to another. Faster data transfer speeds lead to quicker downloads and smoother streaming experiences.

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Interference

Anything that disrupts the flow of data signals. This can cause dropped connections, errors, and slowdowns.

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Blockages

Obstacles that hinder data transfer, like faulty equipment or network congestion.

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LAN

A network connecting devices in a small geographical area, like a group of buildings.

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Client-Server Network

A network with a powerful server that provides resources and services to connected client computers.

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File Server

A computer dedicated to storing and managing data files for all users on the network.

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Database Server

A server that provides access to a shared database of information, like a central information hub.

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Print Server

A server that manages all printing jobs sent from network computers.

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Network Operating System

A software that manages a network, allowing devices to connect and communicate with each other.

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Modem

A device that converts digital data to analog signals for transmission over phone lines, and vice versa.

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Router

A device that finds the best path for data to travel across a network.

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Server

A computer on a network that provides specific services to other computers, like file storage or printing.

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What is a WAN?

A network covering a large geographical area, like the internet.

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What is a PAN?

A network connecting devices close to an individual, like a smartphone, smartwatch, and headphones.

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Tethering

Sharing a device's internet connection with other devices.

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What are the advantages of tethering?

Allows internet access anywhere, connects multiple devices readily, and saves on data costs.

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What are the disadvantages of tethering?

Can drain the phone's battery quickly, may incur additional data charges, and offers slower speed compared to Wi-Fi.

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