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

What is the main focus of the book 'Computer Networking: A Top Down Approach' by Jim Kurose and Keith Ross?

  • Comprehensive overview of computer networking (correct)
  • Network performance
  • Application development
  • Network security
  • Which chapter of the book 'Computer Networking: A Top Down Approach' is likely to cover topics related to data transmission across physical media?

  • Chapter 5: Link Layer (correct)
  • Chapter 4: Network Layer
  • Chapter 2: Application Layer
  • Chapter 3: Transport Layer
  • What is the primary focus of the lecture on 'Introduction to the Internet' according to the provided information?

  • Access networks
  • Internet future
  • Internet history
  • Understanding protocols (correct)
  • In the context of computer networks, what is the Internet primarily described as?

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

    Which layer of the Internet architecture is concerned with data integrity and error detection?

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

    What aspect of computer networks does the concept of 'network edge' primarily refer to?

    <p>Host connection to network</p> Signup and view all the answers

    What is the Internet primarily considered as in terms of network type?

    <p>Wide Area Network (WAN)</p> Signup and view all the answers

    Which of the following is NOT a component of the Internet network as described in the text?

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

    What type of devices are referred to as 'host' or 'end system' in the context of the Internet?

    <p>Both traditional and non-traditional devices</p> Signup and view all the answers

    What do communication links in the context of the Internet network consist of?

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

    How is data transmitted between end systems in the Internet network?

    <p>In packets</p> Signup and view all the answers

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

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

    Which type of packet switch is primarily used for forwarding packets within a single network?

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

    What is the measurement unit for the transmission rate of a communication link in the Internet network?

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

    What types of devices are considered as non-traditional computing devices connected to the Internet?

    <p>'Internet of Things' devices only</p> Signup and view all the answers

    Which type of network connects computing devices throughout the world?

    <p>Wide Area Network (WAN)</p> Signup and view all the answers

    What is the primary characteristic of circuit switching?

    <p>Dedicated communication path</p> Signup and view all the answers

    Which physical media transmits data in electron format and has a transmission rate of 10Gbps?

    <p>Twisted pair copper (Category 5)</p> Signup and view all the answers

    What is the primary characteristic of packet switching?

    <p>Data division into smaller units</p> Signup and view all the answers

    Which type of physical media allows signals to propagate freely in the form of electro-magnetic radio waves?

    <p>Electro-magnetic radio waves</p> Signup and view all the answers

    What is the main disadvantage of electro-magnetic radio waves as a physical media?

    <p>Interference by objects</p> Signup and view all the answers

    What is the transmission rate offered by the 802.11 (WiFi) protocol for Wireless LANs as mentioned in the lecture?

    <p>450 Mbps</p> Signup and view all the answers

    Which technology is commonly used for offering between 1 and 10 Mbps in wide-area wireless networks such as GSM?

    <p>3G</p> Signup and view all the answers

    What is the primary difference between Wireless LANs and wide-area wireless networks like GSM, based on the lecture?

    <p>Coverage area</p> Signup and view all the answers

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

    <p>Forwarding packets within a single network</p> Signup and view all the answers

    Which of the following technologies is NOT commonly associated with offering wide-area wireless network coverage, according to the lecture?

    <p>WiFi 6</p> Signup and view all the answers

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