Networking Today
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Questions and Answers

What is the primary objective of the 'Networking Today' module?

  • To explain the advances in modern technologies (correct)
  • To describe the four basic requirements of a reliable network
  • To compare the characteristics of common types of networks
  • To explain how networks affect our daily lives

    • What is the main topic of discussion in the 'Networks Affect our Lives' chapter?

  • Network Security
  • How networks affect our daily lives (correct)
  • Network Components
  • Common Types of Networks

    • What is the primary function of host and network devices in a network?

  • To ensure network security
  • To facilitate communication between devices (correct)
  • To provide internet connectivity
  • To manage network traffic

    • What is the main benefit of using networks in today's world?

    <p>Improved communication between devices</p> Signup and view all the answers

    What is a key requirement for a reliable network?

    <p>Scalability and flexibility</p> Signup and view all the answers

    What is the primary focus of the 'Network Trends' topic?

    <p>The trends changing the way we interact with networks</p> Signup and view all the answers

    What is a key area of focus for IT professionals in the networking field?

    <p>Employment opportunities in the networking field</p> Signup and view all the answers

    What is the primary role of LANs and WANs in a network?

    <p>To interconnect to the internet</p> Signup and view all the answers

    What is the primary reason why the network must continually transform?

    <p>To keep up with new end-user devices and technologies</p> Signup and view all the answers

    Which of the following is NOT a type of device that can be used with BYOD?

    <p>Desktop computer</p> Signup and view all the answers

    What is the main benefit of BYOD for end users?

    <p>Greater flexibility and freedom</p> Signup and view all the answers

    What is the primary function of data centers in cloud computing?

    <p>To store and manage user data</p> Signup and view all the answers

    Which of the following is a characteristic of cloud computing?

    <p>It allows access to applications from anywhere</p> Signup and view all the answers

    What is the benefit of cloud computing for smaller companies?

    <p>They can lease server and storage services</p> Signup and view all the answers

    What is the main purpose of online collaboration?

    <p>To enable communication and teamwork</p> Signup and view all the answers

    What is the primary advantage of video communications?

    <p>It reduces the need for in-person meetings</p> Signup and view all the answers

    What is a characteristic of a peer-to-peer network?

    <p>It is easy to set up</p> Signup and view all the answers

    What is the primary function of a file server?

    <p>To store and provide access to corporate and user files</p> Signup and view all the answers

    What is a disadvantage of a peer-to-peer network?

    <p>It is not scalable</p> Signup and view all the answers

    What type of software does a client use to access email?

    <p>Client software</p> Signup and view all the answers

    What is a characteristic of a server?

    <p>It provides information to end devices</p> Signup and view all the answers

    What is an advantage of a peer-to-peer network?

    <p>It is easy to set up</p> Signup and view all the answers

    What type of tasks are peer-to-peer networks used for?

    <p>Simple tasks such as transferring files and sharing printers</p> Signup and view all the answers

    What is a type of server that runs web server software?

    <p>Web server</p> Signup and view all the answers

    What is the main function of an end device in a network?

    <p>To originate or receive messages</p> Signup and view all the answers

    Which of the following is NOT a role of an intermediary device?

    <p>Originate messages</p> Signup and view all the answers

    What type of medium uses pulses of light to transmit data?

    <p>Glass or plastic fibers within cables</p> Signup and view all the answers

    What is the term for a diagram that represents devices within a network?

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

    What is the purpose of a Network Interface Card (NIC)?

    <p>To connect devices to a network</p> Signup and view all the answers

    What is the main difference between a physical port and an interface?

    <p>The terms are often used interchangeably</p> Signup and view all the answers

    Which of the following is an example of an intermediary device?

    <p>A wireless access point</p> Signup and view all the answers

    What is the main characteristic of wireless transmission?

    <p>Uses modulation of specific frequencies of electromagnetic waves</p> Signup and view all the answers

    What is the primary concern when it comes to internal threats in a network?

    <p>Lost or stolen devices</p> Signup and view all the answers

    Which of the following security solutions is used to block unauthorized access to a network?

    <p>Firewall filtering</p> Signup and view all the answers

    What is the primary focus of network security?

    <p>Implementing multiple security solutions</p> Signup and view all the answers

    What is the primary reason for having a dedicated firewall system in a larger network?

    <p>To provide additional security requirements</p> Signup and view all the answers

    What is the primary purpose of intrusion prevention systems (IPS) in a network?

    <p>To detect and prevent intrusion attempts</p> Signup and view all the answers

    What is the primary benefit of using virtual private networks (VPN) in a network?

    <p>To enable secure remote access to the network</p> Signup and view all the answers

    What is the primary concern when it comes to external threats in a network?

    <p>All of the above</p> Signup and view all the answers

    What is the primary focus of the study of network security?

    <p>Understanding the underlying switching and routing infrastructure</p> Signup and view all the answers

    Study Notes

    Networking Today

    • Communication is as important as air, water, food, and shelter in today's world.
    • Networks connect us, and devices are connected like never before.

    Networks Affect Our Lives

    • Networks affect our daily lives in various ways.
    • Recent trends in networks include:
      • Bring Your Own Device (BYOD)
      • Online collaboration
      • Video communications
      • Cloud computing
    • BYOD allows users to use their own devices, giving them more opportunities and greater flexibility.
    • Cloud computing allows storing personal files or backup data on servers over the internet.

    Network Components

    • Every computer on a network is called a host or end device.
    • Servers provide information to end devices, such as email, web, and file servers.
    • Clients are computers that send requests to servers to retrieve information.
    • Peer-to-Peer Networks allow devices to be clients and servers, but are only recommended for very small networks.
    • End devices are where messages originate or are received.
    • Intermediary devices interconnect end devices, including switches, wireless access points, routers, and firewalls.
    • Network media carries communication across a network, including metal wires, glass or plastic fibers, and wireless transmission.

    Network Representations and Topologies

    • Network diagrams use symbols to represent devices within the network.
    • Important terms to know include Network Interface Card (NIC), Physical Port, and Interface.

    Network Security

    • Security threats include:
      • External threats: viruses, worms, Trojan horses, spyware, zero-day attacks, threat actors, denial of service attacks, data interception, and identity theft.
      • Internal threats: lost or stolen devices, accidental misuse by employees, and malicious employees.
    • Security solutions include:
      • Antivirus and antispyware software for end devices.
      • Firewall filtering to block unauthorized access.
      • Dedicated firewall systems, access control lists (ACL), intrusion prevention systems (IPS), and virtual private networks (VPN) for larger networks.

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    mcq network .pdf

    Description

    Explore the importance of networks in our daily lives, recent trends, and their impact on our world.

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