11.1.3 Networking Facts
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11.1.3 Networking Facts

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Questions and Answers

What is the primary function of a router in a network?

  • To transmit signals wirelessly between devices
  • To convert digital data into a network-compatible signal
  • To connect multiple computers within a single network
  • To connect multiple networks together (correct)
  • Which component is responsible for transmitting data between network nodes?

  • Network interface card (NIC)
  • Switch
  • Transmission medium (correct)
  • Access point
  • In the IPv4 address 192.168.0.5, what do the first two octets represent if the subnet mask is 255.255.0.0?

  • Host ID
  • Network ID (correct)
  • Gateway address
  • Broadcast address
  • What is the purpose of a subnet mask in a network?

    <p>To identify which part of an IP address belongs to the network ID</p> Signup and view all the answers

    What type of devices can be considered network nodes or hosts?

    <p>Any device capable of connecting to the network</p> Signup and view all the answers

    What is a common use of switches in a network?

    <p>To connect multiple computers within the same network</p> Signup and view all the answers

    How many octets are typically used in an IPv4 address?

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

    What do the octets with a value of 255 in a subnet mask indicate?

    <p>The network ID</p> Signup and view all the answers

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

    <p>Difficult to expand</p> Signup and view all the answers

    Which network type is characterized by central management and specific roles for hosts?

    <p>Client-server network</p> Signup and view all the answers

    Which statement correctly describes the limitations of a Personal Area Network (PAN)?

    <p>Limited to a few feet in range</p> Signup and view all the answers

    What is a major benefit of using a Local Area Network (LAN)?

    <p>Centralized storage and management</p> Signup and view all the answers

    Which type of network is specifically used for high-speed access to storage?

    <p>Storage Area Network</p> Signup and view all the answers

    What distinguishes a Metropolitan Area Network (MAN) from a Wide Area Network (WAN)?

    <p>Distance coverage between connected devices</p> Signup and view all the answers

    How do routers function in a network?

    <p>Connect multiple subnets</p> Signup and view all the answers

    Which term describes a network that is both large and public, allowing virtually anyone to connect?

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

    What is a primary challenge associated with client-server networks?

    <p>Requires extensive planning</p> Signup and view all the answers

    What is the typical communication method for a Wireless Local Area Network (WLAN)?

    <p>Radio signals</p> Signup and view all the answers

    Which network is an example of a very small-scale network used for personal devices?

    <p>Personal Area Network</p> Signup and view all the answers

    What characteristic does a Wireless Mesh Network (WMN) provide?

    <p>Communication between nodes for data sharing</p> Signup and view all the answers

    Which network type is often confused with a Wide Area Network due to similar technologies?

    <p>Metropolitan Area Network</p> Signup and view all the answers

    What is a central feature of an Intranet?

    <p>Services limited to connected hosts</p> Signup and view all the answers

    What is a characteristic of a subnet within a larger network?

    <p>Unique subnet address with common network address</p> Signup and view all the answers

    Study Notes

    Networking Components

    • Network components include devices, transmission medium, network interface cards (NICs), and connection devices like routers, switches, and access points.
    • Devices: Commonly referred to as network nodes or hosts, can include computers, tablets, mobile phones, gaming consoles, IoT devices, and servers.
    • Transmission Medium: Connects network devices and can be wired (twisted pair cabling, fiber optics) or wireless (radio signals).
    • NIC: Converts digital data into signals for transmission via the medium.
    • Routers: Connect multiple networks.
    • Switches: Connect multiple computers within a single network.
    • Access Point: Facilitates wireless network connections.
    • Networking Protocols: Standards defining data formatting and communication between network hosts.

    Network Addressing

    • Every device on a network has a unique address, formatted using IPv4 (Internet Protocol version 4).
    • IPv4 addresses consist of four octets separated by periods.
    • Each IPv4 address comprises a network ID and a host ID.
    • Network ID: Identifies the network the device belongs to, shared by all hosts on that network.
    • Host ID: Unique identifier for each device on the network.
    • Subnet Mask: Specifies which octets represent the network ID and which represent the host ID.
    • Subnet masks typically use 255 for network ID octets and 0 for host ID octets.
    • Subnets: Divide large networks into smaller, manageable segments.
    • Devices on the same subnet can communicate directly, while those on different subnets require a router for communication.

    Benefits of Networking

    • Cost Savings: Centralizes data storage, shares peripheral devices (like printers), facilitates communication (internal and external), increases productivity and collaboration, and allows for centralized management of user accounts and security.
    • Increased Efficiency: Enables remote troubleshooting and streamlined resource access.

    Network Types

    • Peer-to-peer: Each device acts as both client and server, sharing resources directly, but lacking centralized control and being difficult to scale.
    • Client-server: Devices have specific roles, with servers providing resources and clients consuming them. Provides centralized control, scalability, and ease of support, but requires more planning and involves higher server costs.
    • BAN (Body Area Network): Very small network of wearable or implanted devices (smartwatches, fitness trackers, medical implants).
    • PAN (Personal Area Network): Limited-range network connecting personal devices (e.g., wireless earbuds & smartphone) using Bluetooth.
    • LAN (Local Area Network): Covers a small area (like an office), typically wired.
    • WLAN (Wireless LAN): Covers a similar area as a LAN, but uses radio signals.
    • CAN (Campus Area Network): Multiple interconnected LANs within a limited area (e.g., college campus, multiple buildings).
    • MAN (Metropolitan Area Network): Covers a city or a large metropolitan area, often owned by the city as a public utility.
    • WAN (Wide Area Network): Interconnects geographically dispersed LANs to form a large internetwork.
    • WMN (Wireless Mesh Network): Uses mesh nodes to relay connections across a large area, offering flexibility and avoiding infrastructure needs.
    • WWAN (Wireless Wide Area Network): Covers a large geographical area through wireless connections, commonly utilizing cellular network technologies (4G, 5G, LTE).

    Network Management

    • Network: Refers to a computer system managed by a single organization, encompassing LANs and WANs.
    • Subnet: A portion of a network where devices share a common network address but have unique host addresses.
    • Internetwork: A network with geographically dispersed WAN connections linking multiple LANs.
    • SAN (Storage Area Network): High-speed network dedicated to storing and providing network access to data, using specialized hardware.

    Internet Networks

    • Internet: A large, public network accessible to anyone, using TCP/IP communication protocols.
    • ISP (Internet Service Provider): Connects users and organizations to the internet.
    • Intranet: A private network utilizing internet technologies, accessible only to internal users.
    • Extranet: A private network utilizing internet technologies, providing access to trusted external users.

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    Description

    This quiz covers essential networking components, such as devices, transmission media, and networking protocols. It also delves into network addressing, specifically focusing on IPv4 and its unique address format. Test your knowledge of how these elements interact within a network.

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