Ch 2 - Network Topologies and Cabling Standards (Network+)
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Questions and Answers

Which standards organization is responsible for accrediting other groups?

  • EIA
  • TIA
  • IEEE
  • ANSI (correct)
  • Which organization ceased operations on February 28, 2011?

  • ANSI
  • IEEE
  • TIA
  • EIA (correct)
  • Which standards organization handles MAC address registration?

  • ANSI
  • EIA
  • TIA
  • IEEE (correct)
  • What is the most common type of network cable implemented for a new LAN?

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

    What type of topology is used by IoT devices in smaller coverage areas in smart homes?

    <p>Mesh Topology (D)</p> Signup and view all the answers

    What type of cable is used in the network installation described in Step 1?

    <p>UTP cable (C)</p> Signup and view all the answers

    What type of connectors are used in the network installation described in Step 1?

    <p>RJ45 connectors (C)</p> Signup and view all the answers

    What is the primary advantage of a star topology over older network topologies like bus and ring?

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

    Which of the following are advantages of a mesh topology?

    <p>Redundancy and fault tolerance (D)</p> Signup and view all the answers

    What is the primary disadvantage of a mesh topology compared to a star topology?

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

    Which of the following applications is most likely to use a mesh network?

    <p>A wireless network in a large building (A)</p> Signup and view all the answers

    Which of the following is NOT a benefit of fiber-optic cable compared to UTP cable?

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

    Which of the following network cabling options is most likely to be used for connecting two buildings that are 900 feet apart?

    <p>Single-mode fiber (C)</p> Signup and view all the answers

    What is the most likely reason for the DMV choosing to have separate buildings for administration and vehicle inspections?

    <p>To create a more secure environment for the vehicle inspection area (B)</p> Signup and view all the answers

    What is the primary concern that JSW has for designing the network infrastructure for the DMV complex?

    <p>Meeting the performance requirements of the administrative and inspection buildings (C)</p> Signup and view all the answers

    Which of the following is NOT a factor that JSW should consider when recommending network cabling for the DMV complex?

    <p>The number of employees working at the DMV (A)</p> Signup and view all the answers

    What type of cabling should be used to connect the two buildings of the DMV complex?

    <p>Single-mode fiber (B)</p> Signup and view all the answers

    Which of the following characteristics of fiber-optic cabling makes it a good choice for connecting buildings?

    <p>High bandwidth and long distances (D)</p> Signup and view all the answers

    What type of cabling is typically recommended for short-distance connections within a building, such as connecting a computer to a wall jack?

    <p>Cat 6 UTP (A)</p> Signup and view all the answers

    Which of the following is the most important factor for JSW to consider when recommending network cabling for the DMV complex?

    <p>The performance requirements of the network (B)</p> Signup and view all the answers

    What is the most likely reason for JSW to recommend fiber-optic cabling for connecting the two DMV buildings?

    <p>To ensure that the network can handle high traffic (B)</p> Signup and view all the answers

    What is the focus when evaluating the topology design in an existing network?

    <p>Determining the physical layout of network components (A)</p> Signup and view all the answers

    Which organization is NOT mentioned as governing networking standards?

    <p>W3C (A)</p> Signup and view all the answers

    What should a network technician document in their network management practices?

    <p>Details of network cabling and hardware (C)</p> Signup and view all the answers

    What defines the physical layout of network cabling and associated hardware in a network?

    <p>Network topology (D)</p> Signup and view all the answers

    What is a common consequence of insufficient documentation by network technicians?

    <p>Challenges in gathering necessary network information (C)</p> Signup and view all the answers

    When setting up a network from scratch, what is the first step a technician should take?

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

    Why is it important for network technicians to document their networks?

    <p>To facilitate troubleshooting and upgrades (D)</p> Signup and view all the answers

    What term refers to the various types of physical network media used in networking?

    <p>Network media (C)</p> Signup and view all the answers

    What is the primary purpose of implementing standards organizations in networking?

    <p>To set international standards for compatibility and communication (C)</p> Signup and view all the answers

    Which cabling type is recommended for a run that will be buried and require minimal future maintenance?

    <p>Single-mode fiber (C)</p> Signup and view all the answers

    What grade of cable would be recommended to meet the strict fire codes for the cabling installation?

    <p>Category 6A, Riser (C)</p> Signup and view all the answers

    What distinguishes multicore distribution cables from breakout cables?

    <p>Breakout cables have a single fiber for each port (A)</p> Signup and view all the answers

    Which optical multimode cable level is the most advanced and offers the highest performance?

    <p>OM5 (C)</p> Signup and view all the answers

    For the network upgrade of remote offices currently using Cat 5e UTP, which cable would be recommended?

    <p>Category 6 (D)</p> Signup and view all the answers

    Why is it important to future-proof the cabling installation?

    <p>To ensure compatibility with future technologies (C)</p> Signup and view all the answers

    What distinguishes ANSI from ISO?

    <p>ANSI is the official U.S. representative of ISO (C)</p> Signup and view all the answers

    Which of the following categories of cable is specifically designed to meet stringent fire codes in buildings?

    <p>Category 6A, Riser (A)</p> Signup and view all the answers

    What is the main benefit of using multimode fiber optics instead of single-mode fiber in shorter distance applications?

    <p>Multimode fibers are cheaper and easier to install (D)</p> Signup and view all the answers

    What is the potential downside of using single-mode fiber for this project compared to multimode fiber?

    <p>Higher cost of installation (B)</p> Signup and view all the answers

    Which application of cabling installation involves a specific length of 11,500 feet?

    <p>The combined cabling for both buildings (D)</p> Signup and view all the answers

    Which of the following is NOT a feature of standards organizations?

    <p>Providing financial support to manufacturers (D)</p> Signup and view all the answers

    What criteria should be considered when selecting the cabling for efficient technology improvements?

    <p>Distance, performance, and future-proofing (C)</p> Signup and view all the answers

    Flashcards

    Network Topology

    The physical layout of network cabling and hardware.

    Cabling Requirements

    Specification of types and standards for network cables used.

    Physical Layout

    Arrangement of network components in a tangible space.

    Logical Layout

    The abstract representation of how data flows in a network.

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    Cable Run

    Installation path for network cables in a network.

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    Wireless Access Point (WAP)

    Device that allows wireless devices to connect to a wired network.

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    Documentation in Networking

    Records detailing the network layout and equipment used.

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    Standards Organizations

    Govern entities like ANSI, TIA, IEEE that set networking standards.

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    IEEE

    Institute of Electrical and Electronics Engineers, a professional organization that develops technology standards.

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    IEEE 802

    A set of network protocols standardized by IEEE, mainly concerning local area networks (LANs).

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    Ethernet

    A common technology for wired local area networks defined by IEEE standards.

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    Wireless LANs

    Local area networks that connect devices wirelessly, often governed by the IEEE 802.11 standard.

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    Bus Topology

    A topology where all nodes share a single communication line.

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    Ring Topology

    A topology where nodes are connected in a circular path.

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    Star Topology

    A topology with a central hub connecting all nodes.

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    Mesh Topology

    A topology where every node connects to every other node.

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    Demarcation Point

    The point where the public network ends and the private network begins.

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    MDF

    Main Distribution Frame - central point for a network.

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    IDF

    Intermediate Distribution Frame - connects to the MDF for distribution.

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    Patch Panel

    A panel used to connect incoming and outgoing lines.

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    UTP Cable

    Unshielded Twisted Pair - a type of cable for networking.

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    Fiber-Optic Cable

    Cable that uses light to transmit data, enabling high-speed communication.

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    RJ45 Connector

    A standard connector for UTP cables, often used for network connections.

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    Network Installation

    The process of setting up network components and cabling.

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    Cabling Recommendations

    Advice on the type of cabling best suited for a network setup.

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    Cost/Performance Ratio

    Comparison of the cost of a cabling solution to its performance capabilities.

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    Price/Performance Balance

    A design consideration between cost and capability effectiveness.

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    Cabling Installation

    The process of setting up wired connections for network communication.

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    Fire Codes

    Regulations that ensure safety measures are implemented to prevent fire hazards.

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    Future-Proofing

    Designing a system to ensure longevity and adaptability to new technologies.

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    Category 6A Cable

    A type of cabling that supports higher frequencies and speeds for data transmission.

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    Riser Cable

    Cable designed for vertical spaces in a building, safe for fire regulations.

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    Plenum Cable

    Cable rated for air handling spaces, offering low smoke and flame characteristics.

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    Optical Multimode (OM)

    Different levels of multimode fiber optic cables defined by their bandwidth capabilities.

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    Breakout Cable

    A cable that splits into multiple fibers for individual connections.

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    Distribution Cable

    A type of cable used for delivering signals to multiple locations.

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    Single-mode Fiber

    Fiber optic cable designed for long-distance communication with a single light path.

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    Multimode Fiber

    Fiber optic cable that transmits multiple light modes for shorter distances.

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    International Organization for Standardization (ISO)

    An international body that develops and publishes standards for various industries.

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    American National Standards Institute (ANSI)

    The U.S. organization that oversees the development of consensus standards for products and services.

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    Telecommunications Industry Association (TIA)

    A trade association that provides standards and guidelines for telecommunication industries.

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    Study Notes

    Network Topologies

    • Network topology defines the physical layout of network hardware (cabling, switches, routers, etc.)
    • Proper topology design is crucial for new networks and evaluating existing ones.
    • Network technicians should document everything about a network, including cable runs, WAPs, cabling type, and hardware details.
    • Formal techniques like site surveys are used by installers to document network components (demarcs, MDFs, IDFs, punchdown blocks).

    Network Cabling Requirements

    • Network cabling options include glass-cored fiber-optic cables and copper wire (UTP).
    • UTP cabling is common and offers varied characteristics (cost, bandwidth, fire ratings).
    • Fiber-optic cables offer high speed, long distances, and high security but are more expensive.
    • Cabling design should balance cost, performance, and future-proofing.
    • Internal cabling needs to meet fire codes and future technology needs.

    Standards Organizations

    • Standards organizations ensure that devices/applications can communicate effectively across various manufacturers.
    • These organizations set standards for networking components and devices. Examples include ISO, ANSI, TIA, and IEEE.
    • ISO is a global standards organization.
    • ANSI is the official US representative of ISO.
    • TIA sets cabling standards.
    • IEEE handles standards for Ethernet and wireless LANs.

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    Description

    This quiz covers the essential concepts of network topologies and cabling requirements. It explores the physical layout of network hardware and the types of cabling such as fiber-optic and UTP. Additionally, the importance of standards organizations in maintaining consistent networking practices is discussed.

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