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What is the full name of the "Ethernet" technology we see today?

Ethernet

Which of these is NOT a benefit of Ethernet?

  • High complexity (correct)
  • Widely used
  • Simple architecture
  • Low cost

    • The original Ethernet system had a transmission rate of 2.94 Mbps.

    True

    Which of these companies was NOT involved in the development of the 10 Mbps Ethernet standard in 1980?

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

    What does the abbreviation "DIX" stand for in the context of Ethernet?

    <p>DEC, Intel, and Xerox</p> Signup and view all the answers

    What is the name of the first 10 Mbps Ethernet standard?

    <p>10Base5</p> Signup and view all the answers

    What year did Xerox abandon the trademark for the Ethernet technology?

    <p>1982</p> Signup and view all the answers

    Which of these is NOT a common classification of Ethernet?

    <p>Operating system</p> Signup and view all the answers

    What are the typical transmission speeds for Ethernet in Mbps?

    <p>1, 10, 100, 1000, 10000</p> Signup and view all the answers

    Which modulation technique transmits signals directly without modulation?

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

    Which transmission medium is used for 100BaseTx Ethernet?

    <p>Twisted pair cable</p> Signup and view all the answers

    Which of these is NOT a common type of transmission medium used for Ethernet?

    <p>Microwave cable</p> Signup and view all the answers

    What is the standard convention for naming different Ethernet variations?

    <p>The convention is to use a three-part naming scheme, specifying the transmission speed, modulation method, and transmission medium.</p> Signup and view all the answers

    What is the maximum distance achievable with 100BaseT Ethernet over category 5 twisted pair cable?

    <p>100 meters</p> Signup and view all the answers

    What kind of cable is often used for 10BaseF Ethernet?

    <p>Multi-mode fiber optic cable</p> Signup and view all the answers

    Ethernet is a very old technology that is being replaced by newer technologies.

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

    Which Ethernet type is defined by the standard "IEEE 802.3z"?

    <p>1000BaseT</p> Signup and view all the answers

    The Gigabit Ethernet standard (1000BaseT) introduced a faster transmission speed of 1 Gbps using the same category 5 cable as 100BaseTX.

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

    The newest Ethernet speeds achieve a transmission rate of 100 Gbps.

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

    What is the most common and straightforward network topology used for Ethernet?

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

    What common network element can be used to connect multiple devices to an Ethernet network?

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

    What is the most common type of connector used with Ethernet cables?

    <p>RJ-45</p> Signup and view all the answers

    What is the main purpose of an RJ-45 connector on an Ethernet cable?

    <p>To provide a physical connection between the cable and a network device.</p> Signup and view all the answers

    A RJ-45 connector uses 8 metal pins to establish the connection.

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

    What is the typical color scheme of a cable used for Ethernet networking?

    <p>White, blue, orange, green, brown</p> Signup and view all the answers

    Which of these is NOT a common component needed for Ethernet networking?

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

    A network card (NIC) is commonly used to connect a device to an Ethernet network.

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

    What is the most common purpose of a hub in an Ethernet network?

    <p>To amplify signals for longer distances</p> Signup and view all the answers

    Which network device offers more intelligent data routing compared to a hub?

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

    A switch is a key component in a star topology network.

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

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

    <p>To manage data flow between connected devices, intelligently routing traffic to the correct destination.</p> Signup and view all the answers

    A switch can be used to increase the number of devices that can be connected to a network.

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

    When creating an Ethernet connection between two computers directly, which type of cable is typically used?

    <p>Crossover cable</p> Signup and view all the answers

    A straight-through cable is used to connect two computers directly.

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

    When direct-connecting two computers with an Ethernet cable, the cable ends should be terminated using different wiring schemes.

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

    Modern network switches automatically detect the connection type (straight-through or crossover) and adjust accordingly.

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

    What is the term for a network port that can automatically detect the connection type and adjust accordingly?

    <p>Auto MDI-X (Automatic Medium-Dependent Interface Crossover)</p> Signup and view all the answers

    A crossover cable is still required when connecting a network device to a switch or hub.

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

    A daisy chain connection uses what type of cable?

    <p>Straight-through cable</p> Signup and view all the answers

    Which of these is NOT a benefit of using a switch for network connections?

    <p>Lower cost compared to hubs</p> Signup and view all the answers

    In a wireless network, network devices communicate directly with each other without a central hub.

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

    Which type of network uses radio waves for communication?

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

    What is the primary purpose of a wireless router?

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

    What is the most common type of wireless network used today?

    <p>WLAN (Wireless Local Area Network)</p> Signup and view all the answers

    What are some examples of WMAN networks?

    <p>3G, 4G, and 5G networks</p> Signup and view all the answers

    What type of wireless network might be used for connecting a smartphone to a headset?

    <p>WPAN (Wireless Personal Area Network)</p> Signup and view all the answers

    What IEEE standard is commonly used for WLAN networks?

    <p>IEEE 802.11</p> Signup and view all the answers

    What wireless communication technology uses 2.4 GHz and 5 GHz frequency bands?

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

    Which of these is NOT a benefit of using Wi-Fi 6E?

    <p>Lower cost compared to Wi-Fi 6</p> Signup and view all the answers

    What is the term often used as a certification for Wi-Fi products?

    <p>Wi-Fi Alliance</p> Signup and view all the answers

    Wi-Fi 7 offers faster speeds and supports multi-user MIMO for improved network performance.

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

    Bluetooth technology is used for which type of wireless network?

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

    Bluetooth 5 offers increased speed and extended range compared to previous versions.

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

    What is the main purpose of LoRa technology?

    <p>To enable long-range, low-power wireless communication for IoT applications.</p> Signup and view all the answers

    Which wireless technology is frequently used for industrial automation and smart home applications?

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

    ZigBee supports a wider range and faster data rates than Bluetooth.

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

    Which of these is NOT a wireless network type?

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

    Study Notes

    Chapter 5 Regional Network Setup

    • Network Fundamentals and Practices

    Outline

    • Ethernet network history
    • Ethernet network types
    • Ethernet network setup
    • Introduction to wireless local area networks (WLANs)
    • WLAN classifications
    • WLAN setup

    Ethernet Introduction

    • A common network architecture
    • Simple design, low cost

    Ethernet History

    • Developed by Xerox Palo Alto Research Center and Robert Metcalfe and Davis Boggs
    • Inspired by the Aloha system at the University of Hawaii
    • Initial speed of 2.94 Mbps
    • 1980: 10 Mbps Ethernet standard (DEC, Intel, Xerox)
    • 1982: Xerox lost trademark rights, allowing broader use
    • Became a prevalent network architecture

    Ethernet Types

    • Various types based on speed, data transmission, and media

    Ethernet Classifications

    • Categorized by speed, modulation type, and transmission media
    • 10Mbps, 100Mbps, 1Gbps, 10Gbps, 1000Gbps
    • Baseband: direct signal transmission
    • Broadband: multiple signals on a single channel
    • Media: twisted pair, coaxial cable, fiber optic

    Ethernet Naming Conventions

    • Format: [speed] [modulation] [media]
    • Example: 100BaseT (100Mbps, baseband, twisted pair)
    • Standard specifications (IEEE 802.3) define various Ethernet types
    • Different types of cables (10Base5, 10Base2, 10BaseT, 10BaseF, 100BaseTX, 100BaseFX, 1000BaseCX, 1000BaseSX, 1000BaseLX, 1000BaseZX, 1000BaseT, 10GBaseCX4, 10GBaseSR, 10GBaseLR, 10GBaseZR, 10GBaseT, 40GBaseER4, 40GBaseT, 100GBaseER4)

    Ethernet Growth

    • Increased in 10x step size increments, progressing from 10, 100, 1000, 10000 to higher speeds
    • Use of fiber optic cable and higher bandwidth media
    • Further developments in the gigabit and multi-gigabit eras

    Ethernet Network Structure

    • Primarily a tree-like structure connecting devices using switches, network cards, and cables (Category 5, Enhanced Category 5, 100BaseTX, 1000BaseT Ethernet)
    • Uses various connectors and cable types

    Materials and Equipment

    • UTP cables
    • RJ-45 connectors
    • RJ-45 jacks
    • Network cards
    • Cable testers
    • Crimping tools
    • Stripping tools

    RJ-45 Connectors

    • Standardized interface for connecting network cables
    • Connects the cable to the network card
    • Pin 1-8: specific signal transmission designation

    Network Card (NIC)

    • Connects the computer to the network
    • Auto-sensing adjustments depending on wired speed/environment/Ethernet environment
    • Full-duplex transmission capabilities

    Hubs and Switches

    • Network devices used for connecting multiple computers
    • Have LED indicators to demonstrate connection status/speed

    Additional Considerations

    • Wiring distances and cable types
    • Types of cables
    • Wire specifications: bandwidth limit, EMI effects, proper wiring
    • Connection speeds and requirements

    Wireless Network Introduction

    • Suitable for mobile and less structured environments
    • Used in various applications (shops, factories)

    Wireless Network Classifications

    • WMAN: Wireless Metropolitan Area Network
    • WLAN: Wireless Local Area Network
    • WPAN: Wireless Personal Area Network

    Wireless Standards and Frequency Bands

    • ISM and UNII Bands, as standards that devices operate at different frequency bands.

    802.11 Standards (Wi-Fi)

    • 802.11b(WiFi 1)
    • 802.11a (WiFi 2)
    • 802.11g(WiFi 3)
    • 802.11n (Wi-Fi 4)
    • 802.11ac(Wi-Fi 5)
    • 802.11ax(Wi-Fi 6)
    • 802.11be(Wi-Fi 7)
    • Frequency bands and use cases
    • MIMO/MU-MIMO

    802.15 Standards (short-range wireless)

    • 802.15.1 (Bluetooth)
    • 802.15.4 (ZigBee)

    Wireless Network Setup

    • AP, repeater, bridge configurations
    • Security standards (WEP, WPA, WPA2, WPA3)
    • Range and coverage

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