Network Development and Components
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Questions and Answers

What is a key characteristic of a P2P network?

  • All nodes operate independently without communication.
  • Only clients request services from a server.
  • Only servers provide services to clients.
  • Each node can both request and provide services. (correct)
  • Which computing model relies heavily on a central server for processing and storage?

  • Distributed computing
  • Thin client (correct)
  • Parallel computing
  • Thick client
  • How does distributed computing differ from parallel computing?

  • Distributed computing uses one powerful computer.
  • Parallel computing operates over a network of separate devices.
  • Distributed computing allows tasks to be shared among independent nodes. (correct)
  • Parallel computing spreads tasks across multiple independent computers.
  • What best describes a thick client?

    <p>It processes data and applications locally without server dependency. (A)</p> Signup and view all the answers

    Which of the following statements is true about a client-server network?

    <p>Clients request services while servers provide them. (D)</p> Signup and view all the answers

    What is the primary function of nodes in a computer network?

    <p>To send, receive or process data (D)</p> Signup and view all the answers

    Which of the following is NOT a primary benefit of networking?

    <p>Increased hardware costs (B)</p> Signup and view all the answers

    What does packet switching refer to in networking?

    <p>Breaking data into packets for efficient transfer (C)</p> Signup and view all the answers

    Which of the following exemplifies resource sharing in a network?

    <p>Connecting a computer to a printer (A)</p> Signup and view all the answers

    What is a significant disadvantage of networking?

    <p>Dependency on network functionality (B)</p> Signup and view all the answers

    Which option describes centralized management in a network?

    <p>Simplifying user control, backups, and updates (D)</p> Signup and view all the answers

    What is a stand-alone computer?

    <p>A computer without network connectivity (C)</p> Signup and view all the answers

    Which of the following is a common security risk associated with networking?

    <p>Vulnerability to cyberattacks (A)</p> Signup and view all the answers

    What is one advantage of P2P networks?

    <p>Easy scalability (A)</p> Signup and view all the answers

    Which of the following is a disadvantage of P2P networks?

    <p>Dependency on peer availability (A)</p> Signup and view all the answers

    In the client-server model, what role does the client play?

    <p>Requests services or data from the server (C)</p> Signup and view all the answers

    Which specialized server is responsible for handling e-mail messages?

    <p>Mail server (D)</p> Signup and view all the answers

    What is a critical step in creating a good network plan?

    <p>Documenting the network design (A)</p> Signup and view all the answers

    What is a function of the database server?

    <p>Offers database services to other programs (D)</p> Signup and view all the answers

    Which statement best describes a disadvantage related to P2P networks?

    <p>They introduce legal and copyright concerns. (A)</p> Signup and view all the answers

    What is an advantage of a multi-core processor?

    <p>Ability to run multiple processes simultaneously (A)</p> Signup and view all the answers

    What is the primary function of a server in relation to user queries?

    <p>To provide data and dynamic elements to display websites (B)</p> Signup and view all the answers

    Which of the following is NOT a key feature of servers?

    <p>Personalization for each user (D)</p> Signup and view all the answers

    What is the primary function of a modem?

    <p>Translates internet signals from your provider (C)</p> Signup and view all the answers

    What defines a Local Area Network (LAN)?

    <p>It is a small network connecting devices within a localized area. (A)</p> Signup and view all the answers

    How does a router differ from a modem in terms of connections?

    <p>It connects multiple devices either through Wi-Fi or cables (A)</p> Signup and view all the answers

    What characterizes a Wide Area Network (WAN)?

    <p>It connects computers across long distances such as cities or countries. (C)</p> Signup and view all the answers

    Which of the following describes an Internet Area Network (IAN)?

    <p>It allows devices to communicate through internet or cloud resources. (D)</p> Signup and view all the answers

    What role does a network switch play in a network?

    <p>Connects devices and sends data directly to the right device (A)</p> Signup and view all the answers

    What is a key characteristic of bus topology?

    <p>All devices are connected to a single communication cable. (D)</p> Signup and view all the answers

    Which topology is best suited for networks requiring easy scalability?

    <p>Star topology (B)</p> Signup and view all the answers

    Which statement accurately describes the function of a server in a network?

    <p>It provides resources, services, or data to other computers (C)</p> Signup and view all the answers

    What is the primary purpose of a Home Area Network (HAN)?

    <p>To facilitate communication for personal devices within a home. (C)</p> Signup and view all the answers

    What is a disadvantage of ring topology?

    <p>If one device fails, the entire network can be affected. (D)</p> Signup and view all the answers

    Which network type primarily focuses on storage and data management?

    <p>Storage Area Network (SAN) (C)</p> Signup and view all the answers

    What type of IP address does a modem obtain from an Internet Service Provider (ISP)?

    <p>Public IP address (D)</p> Signup and view all the answers

    What is NOT a benefit associated with the features of servers?

    <p>Personal customization for individual users (D)</p> Signup and view all the answers

    In what way does a router enhance network security compared to a modem?

    <p>It adds a firewall to protect your network (A)</p> Signup and view all the answers

    When is bus topology typically used?

    <p>In legacy systems that cannot be easily upgraded. (A)</p> Signup and view all the answers

    What is a primary advantage of star topology?

    <p>A single point of failure does not affect other devices. (D)</p> Signup and view all the answers

    What is the primary difference between a client and a server in networking?

    <p>Clients request and use services provided by servers (C)</p> Signup and view all the answers

    What is a key function of packets when sending files over a network?

    <p>They determine and route the most efficient path for data transfer (B)</p> Signup and view all the answers

    Which topology relies on a token passing mechanism for managing data flow?

    <p>Ring topology (B)</p> Signup and view all the answers

    What is a common use case for star topology?

    <p>Modern networks found in homes and businesses. (B)</p> Signup and view all the answers

    What is a disadvantage of bus topology for larger networks?

    <p>A single cable failure can disrupt the entire network. (B)</p> Signup and view all the answers

    Flashcards

    What is a computer network?

    A collection of interconnected devices that share data and resources.

    What are nodes?

    Devices that send, receive, and process data in a network.

    What is a network protocol?

    A set of rules that govern how computers communicate on a network.

    What is resource sharing in a network?

    Sharing resources like printers, data, and software between multiple devices in a network.

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    What is a standalone computer?

    A computer that operates independently and isn't connected to a network.

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    What is packet switching?

    A process of breaking data into smaller packets for transmission across a network.

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    What are the benefits of communication in a network?

    Sharing information and collaborating with others remotely through a network.

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    What is centralized management in a network?

    Managing and controlling user access, backups, and updates centrally across a network.

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    Modem

    A device that connects your home to the internet by translating signals from your internet provider.

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    Router

    A device that shares the internet connection with all your devices, creating a local network and assigning IP addresses.

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    Network Switch

    A device that connects devices in a network and directs data to the right recipient directly, instead of sending it to everyone.

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    Server

    A computer or system that provides resources, services, or data to other computers (clients) over a network.

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    Client

    A device or software that requests and uses services or resources provided by a server.

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    Packet Switching

    The process of breaking down a file into smaller units (packets) for efficient transmission over a network.

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    IP Address

    A unique address given to each device on a network, allowing communication between them.

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    Firewall

    A security feature built into some network devices, protecting them from unauthorized access.

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    What distinguishes a P2P network?

    Each device in the network can both request and provide services.

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    What is the role of a client and a server in a client-server network?

    A client device requests services, while a server device provides them.

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    What is a thin client?

    A lightweight computer or device that relies heavily on a central server for processing power and data storage.

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    What is a thick client?

    A device that performs most of its processing and data storage locally, without relying heavily on a server.

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    What is distributed computing?

    Processing and data are spread across multiple computers that work together to complete tasks.

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    Parallel processing

    Computers working together on a task simultaneously, like multi-core processors.

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    Peer-to-peer (P2P) network

    A type of network where all devices have equal status and share resources directly, without a central server.

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    Client-server model

    A communication model where a client requests services from a server, which provides them. For example, your web browser (client) requests a webpage from a server.

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    Benefits of P2P networks

    Advantages of P2P networks include decentralized control, easy scalability, efficient resource use, cost savings, and enhanced privacy.

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    Drawbacks of P2P networks

    Disadvantages of P2P networks include complex management, reliance on peer availability, security risks, and potential legal issues.

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    Mail Server

    A server that handles email messages for network users, acting as a clearinghouse for local message exchange.

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    Database Server

    Provides access to databases, handling requests from clients and delivering the requested data according to the client-server model.

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    Application Server

    Makes the server side of client/server applications and data available to clients.

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    What is a server?

    A computer or system that provides resources, services, or data to other computers (clients) over a network. It collects website data and dynamic elements for display on the user's device.

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    What is a star topology?

    A network topology where all devices are connected to a single central point (hub or switch).

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    What is a bus topology?

    It's a linear topology where all devices are connected to a single cable. Data travels in both directions.

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    What is a WAN?

    A type of network that connects computers and devices over large distances, such as between cities or countries, often using the internet or other communication technologies.

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    What is a LAN?

    A group of connected computers and devices within a small area, like a home, school, or office, that share data and resources.

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    What is a ring topology?

    This topology arranges devices in a closed loop, where data travels circularly.

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    Describe a ring topology with token passing.

    It's a network topology where devices connect to two neighbors, forming a closed loop. Data travels in one direction, managed by a token.

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    What is an IAN?

    A network that connects devices and systems through the internet or cloud infrastructure, allowing them to communicate remotely regardless of physical location. It relies on cloud services to manage and store data.

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    What scenarios are suitable for a bus topology?

    A network topology well-suited for small offices and homes, with simplicity and cost-effectiveness as key advantages.

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    What is a HAN?

    A small network within a home that connects personal devices, such as computers, smartphones, smart TVs, printers, and smart home devices, allowing them to communicate and share resources like the internet.

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    What are common use cases for star topologies?

    This topology is commonly seen in modern networks, offering high reliability and easy management.

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    What is server scalability?

    The ability of a system or network to grow and adapt to increasing demands without significant performance degradation. For servers, it means handling more users or data requests without slowing down.

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    What is server processing power?

    The capability of a server to process data and requests quickly and efficiently. It relates to the server's processing power and speed.

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    What type of network is a ring topology best suited for?

    Suitable for networks with moderate size, where data flow needs to be organized and prioritized.

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    Compare the advantages and disadvantages of common network topologies.

    Bus topology is cost-effective, but a single cable failure can affect the entire network. Star topology is more reliable but can be expensive. Ring topology is organized but susceptible to failures.

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    What is server reliability?

    The ability of a server to operate reliably without experiencing failures or downtime. It's crucial for critical services and data storage.

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    Study Notes

    Notebook

    • A good notebook facilitates learning experiences.

    Network Development

    • A computer network connects two or more devices for communication and idea sharing.
    • A network can be wireless or wired.
    • Shared resources include data, printers, fax machines, and email systems.
    • Primary network elements include resources (to share), pathways (data transfer), and protocols (computer communication rules).
    • Network benefits include resource sharing, communication, centralized management, cost efficiency, flexibility, data security, collaboration, and productivity.
    • Network disadvantages include high initial costs, security risks (e.g., cyberattacks), complexity, dependency, performance issues, privacy concerns, and maintenance demands.
    • A stand-alone computer operates independently.
    • Packet switching breaks data into packets for efficient transfer across digital networks.

    Modems vs. Routers

    • Modems connect a home to the internet.
    • Modems translate internet signals from providers.
    • Modems connect to one device (or a router).
    • Modems get a public IP address from the internet service provider (ISP).
    • Routers share the internet with all devices.
    • Routers create Wi-Fi and connect multiple devices.
    • Routers connect to multiple devices (via Wi-Fi or cables).
    • Routers assign local IP addresses to devices.
    • Routers add firewalls to protect networks.
    • Modems bring internet access to a home.
    • Routers distribute internet access to all devices.
    • One device may perform both modem and router functions.

    Network Switches

    • A network switch connects network devices (e.g., computers, printers) enabling communication.
    • It directs data only to the intended device instead of broadcasting to all connected devices.

    Network Definitions

    • Servers: Provide resources to clients over a network. They store files, manage apps, etc.
    • Clients: Request and use resources provided by servers.
    • Peers: Devices that share equal status in a network, both providing and requesting services.

    Peer-to-Peer vs. Client-Server Networks

    • Peer-to-Peer (P2P): No dedicated central server. Each computer acts as both client and server sharing resources directly.
      • Advantages include decentralization, scalability, and cost efficiency.
      • Disadvantages include lack of centralized control, security risks, network management complexity, reliability issues, and potential limitations with scaling.
    • Client-Server: A central server manages resources and services. Clients request resources from the server.
      • Advantages include centralized control, better security, scalability, data backup, and resource sharing.
      • Disadvantages include higher setup costs, single point of failure, complex setup, server load issues, and client dependency.

    Centralized Computing

    • Centralized computing uses one central server to process data. Clients connect to the server for tasks.
    • Thin clients: Lightweight computers that rely heavily on a server for most processing.
    • Thick clients: Perform most processing locally, thus requiring less reliance on a server.
    • Distributed computing distributes tasks and data across multiple computers.
    • Parallel computing uses multiple processors simultaneously within a single computer.

    Client-Server Model

    • Clients request resources. Servers provide those resources.
    • This model is used, for example, when browsing websites. Your device (client) asks a web server for a webpage, and the server sends it back.

    Steps to Create a Network Plan

    • Review current infrastructure.
    • Evaluate existing technologies.
    • Assess infrastructure requirements.
    • Document the network design for reference.

    Specialized Servers

    • Application servers specialize in providing client/server application features and data.
    • File servers provide file storage and retrieval.
    • Print servers manage printing tasks.
    • Mail servers manage email traffic.
    • Database servers manage databases for use by other applications.
    • Web servers host websites' data and provide responses to clients' queries.
    • Name servers translate domain names to IP addresses

    Network Planning and Design

    • Network planning involves encompassing topological design and network synthesis.
    • Requirements, devices, network topology, and implementation plans must be defined.

    Network Topologies

    • Bus topology: Single cable connects all devices. Simple and inexpensive but vulnerable to errors.
    • Star topology: Each device connected to a central hub, reliable structure. Downside - if the central unit fails, the entire network does.
    • Ring topology: Devices connected in a circular pattern. Good for managed data flow; vulnerable to network disruption if one node fails.
    • Network topology affects the performance and reliability of the entire network.

    Key Server Components

    • Processor: The "brain" of the server.
    • RAM: Stores data being used by the operating system.
    • Storage: Stores data on the server.
    • Bandwidth: The transmission rate of the server.

    Key Network Features

    • Scalability: Ability to handle growth in users and data.
    • High Processing Power: Enables concurrent processing of multiple requests.
    • Cost Savings: Efficient use of resources in network infrastructure.
    • Reliability: Consistent performance with minimal downtime.
    • Better Collaboration: Facilitates teamwork and shared resources.
    • Types of Networks: LAN, WAN, CAN, SAN, MAN, HAN.

    OSI and DoD Layers

    • OSI model: A conceptual model used to describe how information travels over a network (7 layers).
    • DoD Model: A simpler approach to describing network functionality (4 layers).

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    Network Development PDF

    Description

    This quiz covers essential concepts in network development, including the advantages and disadvantages of computer networks. It also differentiates between modems and routers, explaining their roles in connecting to the internet and facilitating communication. Test your understanding of key networking terms and concepts.

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