Computer Networks Lecture 1: Introduction to Computer Networks and Internet

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Questions and Answers

What is the book reference for the course resource text book?

Jim Kurose, Keith Ross, “Computer Networking: A Top Down Approach”, 6th edition, Addison-Wesley, 2012

Name the chapters covered in the book 'Computer Networking: A Top Down Approach'?

Chapter 1: Introduction to computer networks and Internet, Chapter 2: Application Layer, Chapter 3: Transport Layer, Chapter 4: Network Layer, Chapter 5: Link Layer

What are the topics covered in the lecture agenda?

Introduction to the Internet, what’s a protocol, Internet History, Internet Future, Access Networks

Define the Internet in a sentence.

<p>The Internet is a network of networks.</p>
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What are the components of the network edge?

<p>Hosts, access networks, physical media</p>
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What are the two types of switching used in the network core?

<p>Packet switching, circuit switching</p>
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What are the components of the Internet network?

<p>Network edges, network links and physical media, network core, protocols, applications, hardware and software</p>
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Give an example of a non-traditional computing device connected to the Internet.

<p>Smartphones</p>
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What is the transmission rate of a link measured in?

<p>Bits/second</p>
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What is the function of a packet switch?

<p>To forward packets on outgoing communication links</p>
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What are the two types of communication links mentioned in the text?

<p>Wired (fiber and copper) and wireless (radio and satellite)</p>
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What is the term used for any device connected to the network with a micro-processor?

<p>Host or end system</p>
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What is the main difference between switches and routers?

<p>Switches are used for forwarding packets within one network, while routers are used for forwarding packets between different networks.</p>
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What does an end system do when it has data to send to another end system?

<p>Segments the data and adds header bytes to each segment, forming packets</p>
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What is the network that interconnects billions of computing devices throughout the world?

<p>The Internet</p>
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What book is the reference for the information presented in the text?

<p>Computer Networking: A Top Down Approach, 6th edition, by Jim Kurose and Keith Ross, Addison-Wesley, 2012</p>
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