Access Networks Overview

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

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

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

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

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

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

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

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

What does TCP control in a network environment?

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

What is the typical upstream transmission rate for DSL?

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

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

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

What technology is used by wireless LANs within a building?

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

Which type of media does Ethernet typically use?

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

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

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

What is the typical downstream transmission rate for cable networks?

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

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

<p>100 km/hr (D)</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 (B)</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 (C)</p> Signup and view all the answers

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

<p>Direct relationship (D)</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 (B)</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 (A)</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 (B)</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 (C)</p> Signup and view all the answers

What happens to a packet arriving at a full buffer?

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

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

<p>To store packets temporarily (C)</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 (C)</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 (D)</p> Signup and view all the answers

Flashcards are hidden until you start studying

Related Documents

Chapter_1_V6.1 copy.pptx

More Like This

Use Quizgecko on...
Browser
Browser