Computer Networking: Lecture 1 Overview
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Questions and Answers

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

  • Layered approach to networking (correct)
  • Computer network performance
  • Network history and future
  • Internet protocol

    • In the context of computer networks, what does the 'network core' primarily involve?

  • Packet filtering
  • Circuit switching (correct)
  • Internet structure
  • Physical media

    • What aspect of computer networks does the 'network edge' primarily encompass?

  • Internet history
  • Hosts and devices (correct)
  • Security service models
  • Access networks

    • Which layer of the OSI model deals with application-level communication?

    <p>Application Layer</p> Signup and view all the answers

    What is the primary function of an access network in the context of computer networking?

    <p>Connecting end-user devices to the network</p> Signup and view all the answers

    What is the Internet primarily described as in the provided text?

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

    What is the main function of the network core?

    <p>Interconnected routers/switches or network of networks</p> Signup and view all the answers

    Which types of devices are considered as non-traditional computing devices?

    <p>Internet-connected cars and traffic control systems</p> Signup and view all the answers

    What is the function of packet switches in a network?

    <p>Forward packets between different networks</p> Signup and view all the answers

    What is the term used for any device connected to the network with a microprocessor?

    <p>End system</p> Signup and view all the answers

    How are data transmission rates measured for different communication links?

    <p>Bits/second</p> Signup and view all the answers

    What are the different types of physical media used for communication links?

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

    Which component is used for forwarding packets between one network?

    <p>Link-layer switches</p> Signup and view all the answers

    What happens when one end system has data to send to another end system?

    <p>&quot;Packets&quot; are created by segmenting the data and adding header bytes to each segment</p> Signup and view all the answers

    Which of the following accurately describes the network edge in the context of computer networks?

    <p>It encompasses the hosts, access networks, and physical media.</p> Signup and view all the answers

    What is the primary purpose of an access network in the context of computer networking?

    <p>To provide connectivity between end systems and the network core.</p> Signup and view all the answers

    In the context of computer networking, what does the 'network core' primarily involve?

    <p>Packet/circuit switching and Internet structure.</p> Signup and view all the answers

    What is a protocol in the context of computer networks?

    <p>A set of rules that govern data communication.</p> Signup and view all the answers

    Which layer of the OSI model primarily deals with application-level communication?

    <p>Application Layer</p> Signup and view all the answers

    What does the term 'Internet structure' primarily refer to in the context of computer networking?

    <p>The overall design and organization of the interconnected networks.</p> Signup and view all the answers

    What is the primary function of the Internet?

    <p>To connect billions of computing devices worldwide</p> Signup and view all the answers

    What is the role of packet switches in a network?

    <p>Forward packets within the same network</p> Signup and view all the answers

    How are data transmission rates measured for different communication links?

    <p>In bits/second</p> Signup and view all the answers

    Which devices are considered as non-traditional computing devices?

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

    What does the 'network edge' primarily encompass in the context of computer networks?

    <p>End systems and hosts</p> Signup and view all the answers

    What does a packet switch do when it receives a packet?

    <p>Forwards the packet on one of its outgoing communication links</p> Signup and view all the answers

    "Network core" primarily involves which component in computer networking?

    <p>Interconnected routers and switches</p> Signup and view all the answers

    'Communication links' are made up of which types of physical media?

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

    "Hosts" or "end systems" refer to which type of devices connected to the network?

    <p>&quot;Computing devices or hosts or end-systems&quot;</p> Signup and view all the answers

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