Basic Components of a Network
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Questions and Answers

What is a server?

A server is a computer that manages network resources, software, and files.

What is the purpose of a workstation in a network?

A workstation is intended for individual use in a networking environment.

What does a network interface card (NIC) do?

A NIC allows computers to communicate over a network.

What is a hub in networking?

<p>A hub is a device that connects multiple devices to work as a single network segment.</p> Signup and view all the answers

Which of the following describes a Personal Area Network (PAN)?

<p>Used for communication among personal devices</p> Signup and view all the answers

What characterizes a Local Area Network (LAN)?

<p>Limited to a small geographical area</p> Signup and view all the answers

What is the largest Wide Area Network (WAN)?

<p>The internet</p> Signup and view all the answers

What is client-server architecture?

<p>A network model where a powerful server is connected to multiple client computers.</p> Signup and view all the answers

A switch is a simpler replacement for a hub and transfers data to all connected computers.

<p>False</p> Signup and view all the answers

What is an example of a client-server interaction?

<p>Accessing a bank account from a computer.</p> Signup and view all the answers

A ______ is a device that connects multiple devices to form a single network segment.

<p>hub</p> Signup and view all the answers

Study Notes

Basic Components of a Network

  • Network Devices: Hardware that connects computers within a network.

Servers

  • Definition: Manages network resources, software, and files.
  • Functionality: Dedicated to specific tasks (e.g., file server for storage, print server for printers).

Workstations

  • Purpose: Individual computers used in networking, similar to personal computers.
  • Connection: Linked to servers and other computers in the network.

Network Interface Card (NIC)

  • Location: Installed inside the system unit, part of the motherboard.
  • Function: Enables communication over a network and provides physical access to the network medium.

Hubs

  • Connectivity: Connects multiple devices, forming a single network segment.
  • Data Transfer: Distributes data from an NIC to all connected computers.

Transmission Channels

  • Types: Can be wired (twisted pair, axial, fiber optics) or wireless (satellite, microwaves, radio waves).
  • Function: Allow data exchange between interconnected computers in a network.

Network Types by Geographical Area

  • Personal Area Network (PAN):

    • Connects personal devices (e.g., phones, laptops) over a short range (meters).
    • Connectivity via USB for wired; Bluetooth and Wi-Fi for wireless.
  • Local Area Network (LAN):

    • Interconnects computers within a limited area (e.g., buildings).
    • Typically managed by a single entity and can use Wi-Fi (WLAN).
  • Wide Area Network (WAN):

    • Covers extensive geographical areas (cities, countries).
    • The Internet is the largest example of a WAN.
  • Metropolitan Area Network (MAN):

    • Connects computers within a specific geographical area, such as city branches of an organization.

Client-Server Architecture

  • Structure: Comprises a powerful server connected to multiple client computers.
  • Server Role: Supports numerous clients with robust resources (Centrally stores files, databases, and applications).
  • Client Role: Contains software that fulfills user needs, sending requests to the server.

Example Scenario

  • Accessing a bank account involves a client program sending a request to the bank's server, which then retrieves and returns the account data.

Advantages & Disadvantages

  • Advantage: Centralized data management enhances security (e.g., password protection).
  • Disadvantage: Potential system overload from too many client requests can occur.

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Description

This quiz covers the essential components of computer networks, focusing on devices like servers. Understand the role of servers, including file and print servers, in managing network resources. Test your knowledge on these fundamental elements of networking.

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