Networking Concepts and Client Types
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Questions and Answers

What defines a thin client in computing?

  • A computer that operates independently without a server.
  • A powerful device with extensive local storage.
  • A lightweight computer that relies on a server. (correct)
  • A device that performs most processing locally.
  • How do Peer-to-Peer (P2P) networks differ from client-server networks?

  • Client-server networks are solely based on user devices.
  • P2P networks use a centralized server for services.
  • In P2P networks, each node can request and provide services. (correct)
  • Client-server networks allow nodes to request and provide services.
  • What is a key characteristic of centralized computing?

  • Data is processed independently at each device.
  • It relies solely on individual thins clients for processing.
  • All data processing is managed by one central server. (correct)
  • It distributes processing among multiple devices.
  • What is the primary difference between distributed computing and parallel computing?

    <p>Distributed computing consists of independent computers working together. (A)</p> Signup and view all the answers

    Which statement correctly describes a thick client in computing?

    <p>It performs most processing and stores data locally. (A)</p> Signup and view all the answers

    What is the primary role of a name server in a network?

    <p>To resolve queries for host names into IP addresses (C)</p> Signup and view all the answers

    Which of the following is NOT a key component of a server?

    <p>Domain Name Server (B)</p> Signup and view all the answers

    In the process of a web browser resolving a URL, what is the first step taken?

    <p>The browser sends a domain name request to the DNS server (C)</p> Signup and view all the answers

    Which of the following is included in the three parts of a URL?

    <p>The communication protocol used (D)</p> Signup and view all the answers

    What is the purpose of network planning and design?

    <p>To plan for successful network design implementation (D)</p> Signup and view all the answers

    What is a significant advantage of P2P networks?

    <p>Enhanced privacy and security (A)</p> Signup and view all the answers

    What is the main function of a modem?

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

    Which of the following statements correctly defines the client-server model?

    <p>Clients request services or data, and servers provide them. (B)</p> Signup and view all the answers

    Which statement best describes the role of a router?

    <p>Creates Wi-Fi networks and connects multiple devices (D)</p> Signup and view all the answers

    What is a disadvantage of P2P networks?

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

    What is the primary function of a network switch?

    <p>Links devices within a local network and directs data to the correct device (D)</p> Signup and view all the answers

    Which type of server is primarily responsible for handling emails within a network?

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

    What step is NOT part of creating a good network plan?

    <p>Ignore current infrastructure (A)</p> Signup and view all the answers

    Which definition best describes a client in a network?

    <p>A device or software that requests services from a server (C)</p> Signup and view all the answers

    Which statement best represents a disadvantage associated with the client-server model?

    <p>Increased complexity in network management (D)</p> Signup and view all the answers

    What important function is NOT performed by a modem?

    <p>Creating a Wi-Fi network (B)</p> Signup and view all the answers

    What is a characteristic of a database server in the client-server model?

    <p>Handles data storage and retrieval for applications (A)</p> Signup and view all the answers

    What type of IP address does a router assign to connected devices?

    <p>Local IP addresses (C)</p> Signup and view all the answers

    Which advantage of P2P networks increases their flexibility in growth?

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

    Which of the following statements about servers is true?

    <p>Servers manage and share information across a network. (A)</p> Signup and view all the answers

    Which is a feature of a router that is not present in a modem?

    <p>Creation of a firewall for network security (D)</p> Signup and view all the answers

    What is a local area network (LAN) primarily designed for?

    <p>Connecting computers within a small area (C)</p> Signup and view all the answers

    What is a characteristic of a wide area network (WAN)?

    <p>It spans large geographical areas. (C)</p> Signup and view all the answers

    Which of the following best defines a cloud area network (IAN)?

    <p>A network that connects devices via internet or cloud infrastructure. (B)</p> Signup and view all the answers

    Which feature of servers helps them adapt to changing demands?

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

    What advantage do servers offer in terms of cybersecurity?

    <p>Safeguard from cyberattacks (D)</p> Signup and view all the answers

    What type of network connects personal devices within a single home?

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

    Which of the following is NOT a type of network mentioned?

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

    What is a storage area network (SAN) primarily used for?

    <p>High-speed data storage and management (B)</p> Signup and view all the answers

    What is the primary purpose of a campus area network?

    <p>To provide scalable data transfer within limited geographic areas (C)</p> Signup and view all the answers

    Which of the following accurately describes a metropolitan area network (MAN)?

    <p>Is larger than a LAN but smaller than a WAN (D)</p> Signup and view all the answers

    Which OSI layer is responsible for error checking and organizing data frames?

    <p>Data link layer (C)</p> Signup and view all the answers

    What does the Physical layer of the OSI model do?

    <p>Sends data as bits over physical cables (D)</p> Signup and view all the answers

    Which layer of the DoD model is responsible for ensuring reliable delivery of data?

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

    Which layer in the OSI model is responsible for translating and encrypting data?

    <p>Presentation layer (A)</p> Signup and view all the answers

    What function does the Network layer serve in the OSI model?

    <p>Finds the best route for data delivery (B)</p> Signup and view all the answers

    What is a key difference between a LAN and a MAN?

    <p>A LAN connects devices within a limited geographic area, while a MAN covers larger areas such as cities. (D)</p> Signup and view all the answers

    Flashcards

    Modem

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

    Router

    A device that shares the internet with all your devices by creating a Wi-Fi network and connecting multiple machines.

    Network Switch

    A device that connects devices on a network and allows them to communicate directly with each other. It sends data only to the intended recipient, not to everyone on the network.

    Server

    A computer or system that provides resources, services, or data to other computers (clients) over a network. It stores, manages, and shares information such as files, websites, or applications.

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    Client

    A device or software that requests and uses services or resources provided by a server. Examples include a computer accessing a website or an email app retrieving messages from a mail server.

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    Packet Transmission

    The process of breaking down a file into smaller packets for easier and more efficient transmission across a network. Packets are then reassembled at the destination.

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    IP Address

    A unique identifier assigned to a device on a network. Each device has a different IP address to distinguish it from other devices.

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    Firewall

    A security feature that protects a network from unauthorized access and malicious activity.

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    P2P network

    A type of network where each device can both request and provide services, allowing for direct communication between peers.

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    Client-server network

    A network where client devices request services and a dedicated server provides them. Clients cannot offer services to other clients.

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    Centralized computing

    A computing model where all processing and data are handled by a single central server. Client devices connect to the server to access resources.

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    Thin client

    A lightweight computer or device that depends heavily on a central server for processing and data storage. It primarily acts as an interface to access services hosted on the server.

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    Thick client

    A computer or device that performs most of its processing and stores data locally, without relying heavily on a central server. It can function independently and handle complex tasks.

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    Web Server

    A computer that stores web server software and the files that make up a website (HTML, images, CSS, JavaScript).

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    Domain Name Server (DNS)

    A network service that translates domain names (like example.com) into IP addresses (like 192.168.1.1), which are the numerical addresses computers use to communicate.

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    HTTP

    The communication protocol used for transferring files between web browsers and web servers. It allows your browser to request and download website content.

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    Network Planning and Design

    A network design process involving planning the physical layout (topology) and connecting devices (synthesis).

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    Peer-to-peer (P2P) Network

    A network architecture where computers connect directly to each other without a central server. This creates a decentralized system with distributed resources and responsibilities.

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    Client-Server Model

    A network architecture where one or more dedicated computers (servers) provide resources to other computers (clients) on the network. Clients request services or data from servers, which then deliver the information.

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    File Server

    A type of server that focuses on providing access to files stored centrally on a network, allowing users to share and access documents, images, or other files.

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    Mail Server

    A server responsible for managing email communication within a network or organization, receiving and delivering email messages to users.

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    Database Server

    A special type of server that handles database operations, storing and retrieving information from a database system.

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    Application Server

    A server focused on executing application software and providing access to the application's data to clients on the network.

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    Print Server

    A server that manages the printing tasks for a network, receiving print requests from users and sending them to connected printers.

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    LAN (Local Area Network)

    A network that connects computers and devices within a small area, such as a home, office, or school, allowing them to share data and resources.

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    WAN (Wide Area Network)

    A large network connecting computers and devices over long distances, such as between cities or countries, often using the internet or other communication technologies.

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    IAN (Internet Area Network) / CAN (Cloud Area Network)

    A network that connects devices and systems through the internet or cloud infrastructure, allowing them to communicate and share resources remotely regardless of physical location.

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    HAN (Home Area Network)

    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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    SAN (Storage Area Network)

    A high-speed network designed specifically for storage and data transfer between servers and storage devices.

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    MAN (Metropolitan Area Network)

    A network that connects devices and systems within a metropolitan area, often used for city-wide communication and data exchange.

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    Key Features of Servers

    Features like scalability, high processing power, reliability, and cost savings make servers valuable for businesses.

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    What is a MAN?

    A network that connects computers and devices within a limited geographic area, like a school or office. Smaller than a WAN, but bigger than a LAN.

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    What is a WAN?

    A network that spans a large geographical area, connecting multiple LANs and MANs. Used for long-distance communication.

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    What is a LAN?

    A network that connects devices within a small area, like a single building or home. Limited in range, typically used for local communication.

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    What is a CAN?

    A high-speed network with centralized data storage, allowing multiple servers to share resources. Typically used by businesses or data centers.

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    What is the OSI model?

    A networking model that standardizes communication between devices by dividing communication into seven layers, each responsible for a specific function.

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    What does the Physical Layer do?

    The physical layer of the OSI model, responsible for sending data bits over physical cables.

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    What does the Data Link Layer do?

    The data link layer of the OSI model, responsible for organizing data into frames and checking for errors.

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    What does the Network Layer do?

    The network layer of the OSI model, responsible for finding the best route for data to travel.

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    Study Notes

    Introduction to Networking

    • Good notebook promotes learning experience.

    Network Development

    • Computer Network: Connects two or more devices to communicate and share ideas; either wireless or wired.
    • Shared Resources: Examples include data, printers, faxes, and email systems.
    • Primary Network Elements: Resources (shared items), pathway (transmission medium), and protocol (rules governing communication between computers).
    • Primary Benefits of Networking: Resource sharing, communication (email, messaging, conferencing), centralized management (simplifying user control, backups, updates), cost-efficiency (lowering equipment and maintenance costs), flexibility (allowing remote access and scalability), data security (protecting information through controlled access and monitoring), enhanced collaboration (facilitating teamwork via shared tools and platforms), increased productivity (boosting efficiency through faster access and streamlined processes).
    • Disadvantages of Networking: High initial costs of hardware, software, and maintenance; security risks (vulnerability to cyberattacks, malware, and breaches); technical complexity for management and troubleshooting; dependency on the network for connected systems; performance issues (due to heavy traffic or poor design); privacy concerns (shared resources and data increasing unauthorized access risk); maintenance needs (updates and monitoring demands time and resources).
    • Standalone Computer: A computer that operates independently of other computers in a network.
    • Packet Switching: Breaks data into smaller packets for efficient transfer across networks. Network devices route these packets to the final destination where the receiving device reassembles them.

    Modems vs. Routers

    • Modem: Connects a home to the internet,translates internet signals from the provider, typically connects to one device (or a router).obtains a public IP address from the internet service provider. No built-in security.
    • Router: Shares internet access with all devices, creates Wi-Fi and connects multiple devices.Connects to many devices, assigns local IP addresses, adds a firewall to protect network.

    Network Switches

    • Network Switch: Connects devices (like computers or printers) on a network, facilitating communication between them; sends data directly to the intended device.

    Important Definitions

    • Server: A computer providing resources, services, or data to other computers (clients).
    • Client: A device requesting resources or services from a server.
    • Peer: A device in a peer-to-peer network that can both provide and request resources and services.

    Peer-to-Peer vs. Client-Server Networks

    • Peer-to-Peer (P2P): Network without a dedicated server. Each computer shares its resources and acts as both client and server. Typically involves a small number of computers (under 20). Less security concerns, easier setup, and less costly.
    • Client-Server: Network with a central server managing resources. Centralized control and management, better security, scalable, centralized data backup, and easier resource sharing. More expensive, but with potential for higher reliability and performance.

    Centralized vs. Distributed Computing

    • Centralized Computing: All data and processing occur on a central server.
    • Distributed Computing: Processing and data are spread across multiple computers.
    • Parallel Computing: Multiple processors within a single computer work together on a task simultaneously.

    Network Plan Steps

    • Review existing infrastructure and technologies.
    • Identify appropriate infrastructure and requirements.
    • Document network design for reference.

    Specialized Servers

    • Application Server: Makes server-side of client/server applications available to clients.
    • File Server: Provides networked file storage and retrieval services.
    • Print Server: Connects devices to the network, queues print requests.
    • Mail Server: Manages email messages.
    • Database Server: Provides database services through a client/server model.
    • Web Server: Stores website components and provides access to them.
    • Name Server: Resolves domain names to IP addresses.

    Network Topologies

    • Bus Topology: All devices connected to a single cable. If one part of the cable fails, it affects the entire network. Easy setup, low cost for smaller systems.
    • Star Topology: Each device connects to a central hub or switch. Failure in one part does not affect other parts. Reliable, manageable, and scalable.
    • Ring Topology: Each device connects to two other devices through a circular path. Data flows in a single direction. Good for controlling data flow; token passing can help.

    DHCP and IP Addressing

    • DHCP (Dynamic Host Configuration Protocol): Automatically assigns IP addresses to devices; simplifies device connection.
    • IP Address: A unique 32-bit number identifying a device on a network.
    • Subnet Mask: Defines the network and host portions of an IP address.
    • DNS (Domain Name System): Translates domain names into IP addresses.

    Transmission Medium

    • UTP (Unshielded Twisted Pair): Commonly used for LANs; short distances; less expensive.
    • STP (Shielded Twisted Pair): Suitable for high-interference environments; longer distances; more expensive.
    • Coaxial Cable: For long distances; often used for cable internet and TV.
    • Fiber Optic Cable: Very high-speed; long distances; resistant to interference.

    OSI and DoD Network Models

    • OSI (Open Systems Interconnection): Theoretical model defining how networking hardware and software interact. Seven layers define how data flows through a network.
    • DoD (Department of Defense): Network model used by the US Department of Defense.

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    Related Documents

    Network Development PDF

    Description

    Test your knowledge on essential networking concepts, including the differences between thin clients, thick clients, P2P and client-server networks. Explore the roles of various network components, such as servers, routers, and switches. This quiz covers fundamental aspects of network planning and design as well.

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