Computer Networks Lecture 1: Introduction to Computer Networks and Internet
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Questions and Answers

What is the primary focus of Chapter 1 in the book 'Computer Networking: A Top Down Approach'?

  • Introduction to computer networks and Internet (correct)
  • Link Layer
  • Application Layer
  • Transport Layer
  • Which layer of the Internet model is responsible for providing end-to-end communication services for applications?

  • Network Layer
  • Application Layer
  • Link Layer
  • Transport Layer (correct)
  • What is the term used to describe the part of a network that connects the end systems (e.g., computers, smartphones) to the network?

  • Network Core
  • Access Networks (correct)
  • Physical Media
  • Internet History
  • Which type of switching involves data being sent through a dedicated communication path, which remains reserved for the duration of the communication?

    <p>Circuit switching</p> Signup and view all the answers

    What are the primary factors affecting performance in computer networks?

    <p>Loss, delay, throughput</p> Signup and view all the answers

    In computer networks, what does the term 'protocol' refer to?

    <p>Set of rules governing the exchange of data between devices</p> Signup and view all the answers

    What is the main function of network edges in the Internet?

    <p>Storing and transmitting information</p> Signup and view all the answers

    What type of communication links make up the network links in the Internet?

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

    Which devices are considered non-traditional computing devices connected to the Internet?

    <p>Cars, watches, eye glasses</p> Signup and view all the answers

    What is the primary function of a packet switch in the Internet?

    <p>Forwarding packets between the one network</p> Signup and view all the answers

    How are data transmission rates of different communication links measured?

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

    Which type of physical media could be used for communication links in the Internet?

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

    What is the term for a device connected to the network with a micro-processor?

    <p>Host or end system</p> Signup and view all the answers

    Which type of switching involves forwarding packets between different networks in the Internet?

    <p>Router switching</p> Signup and view all the answers

    What is the term used for the sequence of communication links and packet switches traversed by a packet from one end system to another in the Internet?

    <p>Network core</p> Signup and view all the answers

    What is the function of a router in the Internet?

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

    What is the primary focus of Chapter 2 in the book 'Computer Networking: A Top Down Approach'?

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

    Which type of switching involves forwarding packets between different networks in the Internet?

    <p>Packet Switching</p> Signup and view all the answers

    What is the term used for the part of a network that connects the end systems (e.g., computers, smartphones) to the network?

    <p>Access Network</p> Signup and view all the answers

    In computer networks, what does the term 'security service models' refer to?

    <p>Ensuring data confidentiality and integrity during transmission</p> Signup and view all the answers

    What type of communication links make up the network core in the Internet?

    <p>Optical Fibers</p> Signup and view all the answers

    What is the term used for a device connected to the network with a micro-processor?

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

    What is the term for computing devices or hosts at the network edges in the Internet?

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

    Which type of devices are considered non-traditional computing devices connected to the Internet?

    <p>TVs and cars</p> Signup and view all the answers

    What is the term used for the sequence of communication links and packet switches traversed by a packet from one end system to another in the Internet?

    <p>Packet route</p> Signup and view all the answers

    What is the primary function of link-layer switches in the Internet?

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

    What type of physical media could be used for communication links in the Internet?

    <p>Copper wire and optical fiber</p> Signup and view all the answers

    What is the term for a device connected to the network with a micro-processor?

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

    In computer networks, what does the term 'packet' refer to?

    <p>Segmented data with added header bytes</p> Signup and view all the answers

    What layer of the Internet model is responsible for providing end-to-end communication services for applications?

    <p>Applications</p> Signup and view all the answers

    What are the primary factors affecting performance in computer networks?

    <p>Protocols and applications</p> Signup and view all the answers

    What is the main function of network edges in the Internet?

    <p>Storing and transmitting information</p> Signup and view all the answers

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