Network Basics Flashcards
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Questions and Answers

What is a client?

A computer that requests a service.

What are the two kinds of information contained in a network packet?

Control information and user data.

Which of the following is an example of a payload?

  • An email message (correct)
  • A packet header
  • A network address
  • A routing table
  • How are computers connected to one another?

    <p>Through networks.</p> Signup and view all the answers

    Which of the following devices can be connected to a network? (Select all that apply)

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

    What is a hierarchical addressing scheme used for?

    <p>To identify computers on the network.</p> Signup and view all the answers

    Which of the following statements is true of a hierarchical addressing scheme? (Select all that apply)

    <p>It is used for IP addresses.</p> Signup and view all the answers

    How are networks set up?

    <p>WANs are made up of LANs.</p> Signup and view all the answers

    What does WAN stand for?

    <p>Wide Area Network.</p> Signup and view all the answers

    What are disadvantages of networks? (Select all that apply)

    <p>Networks are costly to set up.</p> Signup and view all the answers

    What is the most common cause of network failure?

    <p>Human error.</p> Signup and view all the answers

    Routers know where to send a network packet because they read the _______ contained in the packet.

    <p>control information</p> Signup and view all the answers

    The ________ is the information that a user wants to send.

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

    A(n) ________ is an example of a payload.

    <p>email message</p> Signup and view all the answers

    What best describes the path of a network packet on the Internet?

    <p>Sender, router 1, router 2, router 3, receiver.</p> Signup and view all the answers

    Which of the following statements are true of network packets? (Select all that apply)

    <p>They contain user data.</p> Signup and view all the answers

    What is true of WANs?

    <p>WANs can be as big as the Internet.</p> Signup and view all the answers

    The letters LAN stand for ______ Area Network.

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

    Study Notes

    Client and Service

    • A client is defined as a computer that requests a service from another computer or server.

    Network Packets

    • A network packet consists of two main types of information: control information and user data.
    • Control information helps guide the packet through the network, while user data is the actual content being transmitted, such as an email message (considered a payload).

    Network Connections

    • Computers are interconnected via networks, which enable them to communicate and share resources.
    • Various devices such as printers, smartphones, laptops, and tablet computers can be connected to a network.

    Addressing and Structure

    • A hierarchical addressing scheme is utilized to uniquely identify computers on a network, featuring different components that signify a device's location.
    • This addressing scheme is specifically used for IP addresses.
    • Networks are structured such that Wide Area Networks (WANs) encompass multiple Local Area Networks (LANs).

    WAN Definition and Disadvantages

    • WAN stands for Wide Area Network, which can span extensive geographical areas, potentially reaching sizes comparable to the Internet.
    • Key disadvantages of networks include susceptibility to intrusion, allowing network intruders access to all connected devices, and the high costs associated with network setup.

    Causes of Failure and Packet Path

    • The most frequent cause of network failure is human error, which can lead to various issues.
    • The typical path of a network packet over the Internet follows a sequence: sender → router 1 → router 2 → router 3 → receiver.

    Characteristics of Network Packets

    • Network packets carry control information and user data, allowing them to traverse the network effectively.
    • They are essential elements sent across the network, contributing to overall communication.
    • The letters LAN represent Local Area Network, highlighting a smaller-scale networking model compared to WANs.

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    Description

    Test your understanding of key network concepts with these flashcards. This quiz covers definitions of clients, network packets, payloads, and how computers connect. Perfect for beginners looking to solidify their network knowledge.

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