Networking: Star Topology Overview
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Questions and Answers

What is a primary advantage of star topology over other types of network topologies?

  • Complex network control features can be easily implemented (correct)
  • Supports hierarchical connections
  • Failure in one cable affects the entire network
  • Uses a single cable for all connections
  • In tree topology, what is the role of the root node?

  • It serves as a parent node to other nodes (correct)
  • It acts as a central hub for routing
  • It is the terminal point of the network
  • It connects all other nodes directly
  • Which of the following is a disadvantage of tree topology?

  • Easy troubleshooting capabilities
  • High maintenance costs
  • Limited support for broadband transmission
  • Difficult troubleshooting when faults occur (correct)
  • How does star topology handle cable failures?

    <p>Only the affected station is impacted</p> Signup and view all the answers

    What characteristic of tree topology aids in broadband transmission?

    <p>Hierarchical node connection</p> Signup and view all the answers

    Which of the following best describes the expansion capabilities of star topology?

    <p>New stations can be added easily to open ports on the hub</p> Signup and view all the answers

    What is a common misconception about cabling in star topology?

    <p>All nodes are connected using their individual cables</p> Signup and view all the answers

    What is one of the outstanding features of tree topology?

    <p>Forms a parent-child hierarchy for data transmission</p> Signup and view all the answers

    Which of the following is a characteristic of star topology with regard to technology preference?

    <p>It is considered a familiar and cost-effective technology</p> Signup and view all the answers

    What is one primary advantage of mesh topology?

    <p>Reliable communication despite link failures</p> Signup and view all the answers

    Which of the following is a significant disadvantage of mesh topology?

    <p>High costs due to many connections</p> Signup and view all the answers

    How does the communication speed in mesh topology compare to other topologies?

    <p>It is faster due to direct node connections</p> Signup and view all the answers

    What defines a hybrid topology?

    <p>A combination of various different topologies</p> Signup and view all the answers

    What is a key advantage of hybrid topology?

    <p>Independent functioning despite faults in one part</p> Signup and view all the answers

    Which of these statements is a disadvantage of hybrid topology?

    <p>It has a complex network design</p> Signup and view all the answers

    Why can the maintenance of a mesh topology network be challenging?

    <p>There are multiple devices which complicates oversight.</p> Signup and view all the answers

    What does the term 'scalable' refer to in the context of hybrid topology?

    <p>The ease of integrating new devices without disruption</p> Signup and view all the answers

    How does redundancy in mesh topology affect network efficiency?

    <p>It can reduce network efficiency</p> Signup and view all the answers

    Which scenario does NOT describe a hybrid topology?

    <p>Two independent star networks that do not interact.</p> Signup and view all the answers

    What characterizes the data transmission in a bus topology?

    <p>Data is transmitted in one direction only.</p> Signup and view all the answers

    Which statement correctly describes the physical topology in networking?

    <p>It depicts the arrangement of network components and cabling.</p> Signup and view all the answers

    What is a significant disadvantage of using bus topology?

    <p>Cable faults disrupt communication for all nodes.</p> Signup and view all the answers

    What type of cable is primarily used in smaller networks utilizing bus topology?

    <p>Coaxial cable or RJ45 cable</p> Signup and view all the answers

    What is the initial installation cost of a bus topology compared to other topologies?

    <p>Low due to minimal hub requirements.</p> Signup and view all the answers

    Which of the following best describes linear bus topology?

    <p>It has two endpoints with a single cable running along a line.</p> Signup and view all the answers

    What is a notable feature of troubleshooting in bus topology?

    <p>It often involves using specialized test equipment.</p> Signup and view all the answers

    Why is bus topology considered outdated in modern networking?

    <p>It has limitations in scalability and reliability.</p> Signup and view all the answers

    Which situation best describes signal interference in a bus topology?

    <p>Only one node can communicate at a time.</p> Signup and view all the answers

    What speed do coaxial or twisted pair cables typically support in bus topology?

    <p>Up to 10 Mbps</p> Signup and view all the answers

    What is a defining characteristic of a Wide Area Network (WAN)?

    <p>It covers a larger geographical area and connects various smaller networks.</p> Signup and view all the answers

    Which of the following accurately describes a client-server network?

    <p>A dedicated server manages resources and controls user access, while clients connect to it.</p> Signup and view all the answers

    What is a key differentiator between an intranet and an extranet?

    <p>Intranets are exclusively for internal organizational use, enhancing security.</p> Signup and view all the answers

    How do extranet networks typically allow external users to access information?

    <p>Using Virtual Private Networks (VPNs) for secure access.</p> Signup and view all the answers

    Which two architectures are utilized for storing and accessing data within networks?

    <p>Client-server and peer-to-peer.</p> Signup and view all the answers

    What is a common use case for intranets in organizations?

    <p>Enabling secure internal data access using web technologies.</p> Signup and view all the answers

    What is a key challenge when adding new devices to a bus topology?

    <p>It may slow down the network.</p> Signup and view all the answers

    Which characteristic distinguishes ring topology from bus topology?

    <p>Ring topology has no termination points.</p> Signup and view all the answers

    What is the primary function of a token in a ring topology?

    <p>To regulate access to the network.</p> Signup and view all the answers

    What is attenuation in the context of network communication?

    <p>Loss of signal that affects communication.</p> Signup and view all the answers

    What is a major disadvantage associated with ring topology?

    <p>Troubleshooting requires specialized equipment.</p> Signup and view all the answers

    How does data flow within a ring topology?

    <p>In one continuous direction.</p> Signup and view all the answers

    Which statement correctly describes the failure behavior of nodes in a bus topology?

    <p>Devices can be disconnected without impact.</p> Signup and view all the answers

    What is the role of repeaters in network communication?

    <p>To regenerate and strengthen signals.</p> Signup and view all the answers

    What can be a consequence of faulty devices in ring topology?

    <p>Complete network shutdown.</p> Signup and view all the answers

    In token passing protocol, what does the sender do with the token?

    <p>Modifies it by adding data and address.</p> Signup and view all the answers

    Study Notes

    Star Topology

    • In star topology, all devices connect to a central hub or switch.
    • Troubleshooting requires access to the central station, complicating repairs.
    • Features complex network control that adapts to changes automatically.
    • Individual cable failure affects only one station, maintaining network stability.
    • Tools are cost-effective and familiar, making this topology widely used.
    • Easily expandable by adding new devices to available ports on the hub.
    • Utilizes inexpensive coaxial cables, ensuring cost-effectiveness.

    Tree Topology

    • Combines bus and star topology characteristics in a hierarchical structure.
    • The root node at the top connects to other descendant nodes.
    • Data transmission occurs through a single path between nodes.
    • Advantages include supporting broadband transmission over long distances.
    • Easily expands while maintaining its structured hierarchy.

    Mesh Topology

    • Highly reliable; link failures do not disrupt communication between devices.
    • Fast communication due to multiple connection paths.
    • Easier reconfiguration allows new devices to be added without interruption.
    • Complexity increases operational costs due to numerous connections and management demands.
    • High redundancy can reduce overall network efficiency.

    Hybrid Topology

    • Represents a combination of different topologies linked together.
    • Offers reliability; faults in one area do not disrupt the entire network.
    • Scalability is a key advantage, allowing for easy growth as demands increase.
    • Design complexity poses challenges in implementation and maintenance.

    Bus Topology

    • Devices connect to a single cable which transmits data unidirectionally.
    • Often called line topology; suitable for smaller networks using coaxial or RJ45 cabling.
    • Initial setup costs are low, but extensive cabling is required.
    • Troubleshooting can be difficult, often necessitating specialized equipment.
    • Data speeds are moderate, limited by potential signal interference and attenuation.

    Ring Topology

    • Features connected nodes forming a continuous loop, with data flowing in a single direction.
    • Each node retransmits data to the next, creating an endless loop advantage.
    • Token passing is the primary data access method, where a token circulates the network.
    • Faulty devices can be removed without major network disruptions.
    • Troubleshooting necessitates specialized equipment due to the circular nature.

    Wide Area Network (WAN)

    • Covers vast geographical areas, connecting multiple smaller networks, including LANs and MANs.
    • Can utilize public transmission systems or private infrastructure.
    • The internet serves as the most common example of a WAN.

    Client-Server Network

    • Features a dedicated server that manages data storage, resources, and user access.
    • Clients connect to the server to access managed resources.

    Peer-to-Peer Network

    • No central server governs the network; all computers share resources equally.
    • Each device, known as a peer, serves its own data and resources among others.

    Intranets

    • Private networks employing internet technology for internal organizational use.
    • Generally structured using client-server architecture, enhancing security and confidentiality.
    • Widely adopted in organizations, including schools, for applications such as Virtual Learning Environments (VLE).

    Extranets

    • An extension of an intranet that allows external access to certain users.
    • VPNs are commonly used to ensure secure connections for external users.
    • Access typically granted via an organization’s website, requiring login credentials.

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    Description

    This quiz explores the fundamentals of star topology in networking. It covers how stations connect to a centralized node and the implications for network control and troubleshooting. Test your understanding of star topology features and cable routing.

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