Computer Networks Lecture 1: Introduction and Application Layer
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Questions and Answers

What is the primary focus of the book 'Computer Networking: A Top Down Approach'?

  • Exploring network security
  • Analyzing network performance
  • Studying access networks
  • Understanding Internet protocols (correct)

Which chapter of the book covers the 'Network Layer'?

  • Chapter 2
  • Chapter 3
  • Chapter 1
  • Chapter 4 (correct)

What does the lecture cover under 'Introduction to the Internet'?

  • Network Performance
  • Internet History and Future (correct)
  • Access Networks
  • Network Security

According to the provided text, what is the Internet described as?

<p>A network of networks (A)</p> Signup and view all the answers

In which layer does the 'Link Layer' fall according to the book's classification?

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

What does the course resource text book primarily focus on?

<p>Computer network introduction (D)</p> Signup and view all the answers

What is the Internet?

<p>A computer network that interconnects billions of computing devices throughout the world (D)</p> Signup and view all the answers

Which of the following are examples of network edges?

<p>Desktop PCs and smartphones (A)</p> Signup and view all the answers

What are the components of the Internet?

<p>Network edges, network links, network core, protocols, applications, hardware, and software (A)</p> Signup and view all the answers

What is the purpose of a packet switch?

<p>To forward packets between communication links and packet switches (D)</p> Signup and view all the answers

Which devices are considered as end systems in a network?

<p>Laptops, smartphones, tablets, and gaming consoles (A)</p> Signup and view all the answers

What types of communication links are used in networks?

<p>Copper wire, optical fiber, and radio spectrum (B)</p> Signup and view all the answers

What is the role of routers in a network?

<p>Forwarding packets between different networks (B)</p> Signup and view all the answers

How are data transmitted between end systems?

<p><strong>Segmentation</strong> of data into packets and <strong>forwarding</strong> through packet switches. (B)</p> Signup and view all the answers

Interconnected routers are part of which component of the Internet?

<p><strong>Network core</strong> (A)</p> Signup and view all the answers

Wired (fiber and copper) and wireless (radio and satellite) communication links are examples of?

<p><strong>Network links</strong> and <strong>physical media</strong> (B)</p> Signup and view all the answers

What is the main focus of the lecture agenda?

<p>Introduction to the Internet (C)</p> Signup and view all the answers

Which chapter of the book 'Computer Networking: A Top Down Approach' covers the 'Transport Layer'?

<p>Chapter 3: Transport Layer (B)</p> Signup and view all the answers

What does the 'network core' primarily involve?

<p>Packet/Circuit Switching (B)</p> Signup and view all the answers

What is considered as an essential feature of 'Internet structure'?

<p>Loss, Delay, Throughput (C)</p> Signup and view all the answers

What is a key element of 'Access Networks'?

<p>Wired (Fiber and Copper) and Wireless (Radio and Satellite) Communication Links (A)</p> Signup and view all the answers

Which layer of the Internet architecture is concerned with 'application layer protocols'?

<p>Chapter 2: Application Layer (A)</p> Signup and view all the answers

What are the primary components of the Internet described in the provided text?

<p>Network edges, network links, and applications (D)</p> Signup and view all the answers

Which devices are considered as end systems in a network based on the provided text?

<p>Desktop PCs, Linux workstations, servers, laptops, smartphones, tablets, and more (C)</p> Signup and view all the answers

Where does a packet switch forward packets between according to the provided text?

<p>Between different networks (B)</p> Signup and view all the answers

'Link Layer' falls under which layer according to the book's classification?

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

What is the primary purpose of a packet switch as mentioned in the text?

<p>To route packets between different networks (B)</p> Signup and view all the answers

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