Access Networks Overview
32 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the purpose of making the PowerPoint slides freely available?

  • To restrict access to only faculty members
  • To limit the sharing of information
  • To allow customization and adaptation (correct)
  • To sell them for profit

    • What is one of the conditions for using the slides in a class according to the text?

  • Include animations in each slide
  • Delete all slide content
  • Mention their source (correct)
  • Do not mention the source

    • What should be noted if the slides are posted on a website?

  • Note that they are for sale
  • Note that they are adapted from the original slides (correct)
  • Note that they are in a different language
  • Note that they are free to use

    • What is the main focus of the chapter based on the text?

    <p>Understanding basic Internet concepts and terminology</p> Signup and view all the answers

    How does the chapter plan to provide more detail later in the course?

    <p>By using practical examples from the Internet</p> Signup and view all the answers

    What is meant by using the Internet as an example?

    <p>The Internet will serve as a model to explain networking concepts</p> Signup and view all the answers

    What is the function of a packet router in a network?

    <p>Forward packets of data</p> Signup and view all the answers

    Which organization defines Internet standards through Request for Comments (RFCs)?

    <p>Internet Engineering Task Force (IETF)</p> Signup and view all the answers

    What is the main role of end systems in a network?

    <p>Running network applications</p> Signup and view all the answers

    Which component of the Internet provides services to applications like email, web browsing, and online gaming?

    <p>Institutional network</p> Signup and view all the answers

    What does TCP control in a network environment?

    <p>Sending and receiving messages</p> Signup and view all the answers

    Which organization is responsible for the interconnected ISPs forming the Internet as a 'network of networks'?

    <p>Global ISPs</p> Signup and view all the answers

    What is the typical upstream transmission rate for DSL?

    <p>2 Mbps</p> Signup and view all the answers

    What is the function of a DSLAM in a DSL network?

    <p>Split voice and data signals</p> Signup and view all the answers

    What technology is used by wireless LANs within a building?

    <p>802.11b/g (WiFi)</p> Signup and view all the answers

    Which type of media does Ethernet typically use?

    <p>Twisted pair (TP)</p> Signup and view all the answers

    What is the primary purpose of a cable modem termination system (CMTS)?

    <p>Terminate cable modem signals onto the internet</p> Signup and view all the answers

    What is the primary function of a cable splitter in a cable network?

    <p>Split data and TV signals onto different cables</p> Signup and view all the answers

    What technology allows for high-speed point-to-point transmission over long distances?

    <p>Fiber optic cable</p> Signup and view all the answers

    What is the typical downstream transmission rate for cable networks?

    <p>24 Mbps</p> Signup and view all the answers

    What is the propagation speed of the cars in the caravan analogy?

    <p>100 km/hr</p> Signup and view all the answers

    How long does it take for the last car to reach the 2nd toll booth in the caravan analogy?

    <p>1 hour</p> Signup and view all the answers

    In the caravan analogy, if the cars now propagate at 1000 km/hr, how long does it take for the 1st car to reach the 2nd toll booth?

    <p>7 minutes</p> Signup and view all the answers

    What is the relationship between traffic intensity (La/R) and average queueing delay?

    <p>Direct relationship</p> Signup and view all the answers

    When La/R is close to 0, what can be said about the average queueing delay?

    <p>It is small</p> Signup and view all the answers

    What happens when La/R is greater than 1 in terms of average delay?

    <p>Average delay is infinite</p> Signup and view all the answers

    What is the purpose of the traceroute program?

    <p>To measure delay from the source to the destination router</p> Signup and view all the answers

    What does it mean when there is no response (*) in the traceroute output?

    <p>The router is not replying to probe packets</p> Signup and view all the answers

    What happens to a packet arriving at a full buffer?

    <p>It is dropped or lost</p> Signup and view all the answers

    What is the purpose of a queue (buffer) preceding a link?

    <p>To store packets temporarily</p> Signup and view all the answers

    How is throughput defined in networking?

    <p>The rate at which bits are transferred between sender and receiver</p> Signup and view all the answers

    What does it indicate if Rs < Rc in terms of throughput?

    <p>The average end-to-end throughput is lower than expected</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser