Network Communication Concepts
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Questions and Answers

Which factor is NOT considered in measuring network reliability?

  • Time it takes a link to recover from a failure
  • Frequency of failure
  • Network's robustness in a catastrophe
  • Network's performance speed (correct)
  • In a point-to-point connection, what is true about the link?

  • Devices must take turns using the link
  • The capacity of the link is reserved for transmission between two devices (correct)
  • It is shared among multiple devices
  • Multiple devices use the link simultaneously
  • What is the main difference between spatially and temporally shared channels in a multipoint connection?

  • Spatially shared channels are more secure than temporally shared channels.
  • Spatially shared channels have reserved capacity, while temporally shared channels are open for all devices simultaneously.
  • Spatially shared channels require devices to take turns, while temporally shared channels allow simultaneous use. (correct)
  • Spatially shared channels are dedicated links, while temporally shared channels involve sharing capacity among devices.
  • What does a mesh topology imply about the network layout?

    <p>Every device has a dedicated point-to-point link to every other device</p> Signup and view all the answers

    Which characteristic does NOT apply to a full-duplex communication channel?

    <p>'Spatially' sharing is necessary between devices</p> Signup and view all the answers

    What is the key element for successful communication according to the passage?

    <p>Establishing rules or agreements to govern the conversation</p> Signup and view all the answers

    Which of the following is NOT mentioned as an external quality of service (QoS) factor that can prevent a message from reaching the recipient or distort its intended meaning?

    <p>The sender's ability to convey the message clearly</p> Signup and view all the answers

    According to the passage, what is the purpose of establishing rules or protocols before communicating with each other?

    <p>To ensure the message is successfully delivered and understood</p> Signup and view all the answers

    Which of the following is NOT mentioned as a type of communication environment in the passage?

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

    According to the passage, what is the meaning of the term 'communication'?

    <p>The act of exchanging information</p> Signup and view all the answers

    What does the passage suggest about data delivered late?

    <p>Data delivered late are useless</p> Signup and view all the answers

    Which of the following is NOT a primary requirement for achieving network security goals?

    <p>Implementing redundant network infrastructure</p> Signup and view all the answers

    Which type of network security concern focuses on protecting the information contained within the packets being transmitted over the network?

    <p>Information security</p> Signup and view all the answers

    What is the primary purpose of QoS in a network?

    <p>To ensure that priorities are matched with the type of communication and its importance to the organization</p> Signup and view all the answers

    Which of the following is NOT a type of network security concern that must be addressed?

    <p>Quality of Service (QoS)</p> Signup and view all the answers

    What is the primary goal of ensuring communication integrity in network security?

    <p>To assure that the information has not been altered in transmission, from origin to destination</p> Signup and view all the answers

    Which of the following is NOT a primary requirement for achieving network security goals?

    <p>Implementing encryption algorithms</p> Signup and view all the answers

    Which of the following statements best describes the primary role of networks in our daily lives?

    <p>Networks facilitate instantaneous communication and sharing of ideas and resources globally.</p> Signup and view all the answers

    Which of the following statements accurately reflects the impact of the internet on social, commercial, political, and personal interactions?

    <p>The internet has changed the manner in which these interactions occur, facilitating the creation of online communities.</p> Signup and view all the answers

    Which of the following statements accurately describes the concept of the "human network" mentioned in the text?

    <p>The &quot;human network&quot; centers on the impact of the Internet and networks on people and businesses.</p> Signup and view all the answers

    Which of the following statements accurately describes the historical development of data networks?

    <p>Data networks have rapidly expanded and been repurposed to improve the quality of life for people everywhere.</p> Signup and view all the answers

    Which of the following statements best captures the importance of communication as described in the text?

    <p>Communication is almost as important to us as our reliance on air, water, food, and shelter.</p> Signup and view all the answers

    Which of the following statements accurately describes the impact of networks on productivity opportunities?

    <p>The creation of online communities has the potential to increase productivity opportunities across the globe.</p> Signup and view all the answers

    Which of the following is NOT a characteristic that network architectures need to address?

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

    What is the primary mechanism for managing congestion and ensuring reliable delivery of content to all users?

    <p>Quality of service (QoS)</p> Signup and view all the answers

    What occurs when the demand for bandwidth exceeds the amount available?

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

    What happens when the volume of traffic is greater than what can be transported across the network?

    <p>Devices queue the packets in memory until resources become available to transmit them</p> Signup and view all the answers

    Which of the following statements about scalability is correct?

    <p>Scalability refers to the ability to accept new products and applications without impacting performance</p> Signup and view all the answers

    What is the purpose of fault tolerance in network architectures?

    <p>To limit the effect of a failure and enable quick recovery</p> Signup and view all the answers

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