Networking Quiz on Medium and Fiber-Optics
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Questions and Answers

Which of the following is a common characteristic of a networking medium?

  • Wireless compatibility
  • Interference susceptibility (correct)
  • Signal strength
  • Data compression rate
  • Which type of fiber-optic connector provides high density and requires only one connector for two cables?

  • ST
  • RJ-45
  • MT-RJ (correct)
  • SC
  • What is the primary reason for limiting the maximum length of network cables?

  • Diminution (correct)
  • Material strength
  • Cost efficiency
  • Interference reduction
  • Which process is used for representing bit signals on a networking medium?

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

    What generally happens to signals as they travel the length of the medium?

    <p>They attenuate.</p> Signup and view all the answers

    Which of the following factors is UTP susceptible to?

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

    What type of cable is most resistant to electronic eavesdropping?

    <p>Fiber optic</p> Signup and view all the answers

    Which characteristic is associated with fiber-optic cabling?

    <p>Carries data over longer distances than UTP</p> Signup and view all the answers

    What phenomenon occurs when signals traveling down one wire interfere with those on another wire?

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

    Which cable category is specified for 25GBaseT and 40GBaseT networks?

    <p>Cat 6a</p> Signup and view all the answers

    Which wiring standard is associated with twisted-pair cable connections?

    <p>TIA/EIA 568A</p> Signup and view all the answers

    Which component is typically found in a structured cabling system?

    <p>Patch cables</p> Signup and view all the answers

    Where are you most likely to find backbone cabling?

    <p>Between IDFs</p> Signup and view all the answers

    Which tool is necessary for making a patch cable?

    <p>Crimping tool</p> Signup and view all the answers

    Which limitations of UTP can be resolved by using fiber-optic cables?

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

    How many strands of fiber-optic cable are typically used for a network connection?

    <p>2</p> Signup and view all the answers

    Study Notes

    Networking Medium Characteristics

    • Common characteristics include bandwidth rating, interference susceptibility, and maximum segment length.
    • No common characteristic of a networking medium falls under broadband rating.

    Fiber-Optic Connectors

    • MT-RJ connector is high density, requiring one connector for two cables.
    • SC and ST connectors do not have this feature; RJ-45 is not a fiber-optic connector.

    Cable Length Conditions

    • Cables must not exceed maximum length due to attenuation, which refers to signal loss over distance.

    Bit Signal Representation

    • Encoding is the process for representing bit signals on transmission mediums.

    Signal Behavior in Transmission

    • Signals attenuate as they travel along the medium, indicating a reduction in strength.

    UTP Susceptibility

    • Unshielded Twisted Pair (UTP) cables are susceptible to electromagnetic interference (EMI) and crosstalk.

    Ceiling Airspace

    • The space between a false ceiling and the true ceiling where air circulates is called a plenum.

    Common TP Network Connector

    • RJ-45 is the most commonly used connector for twisted-pair (TP) network wiring.

    Eavesdropping Resistant Cables

    • Fiber optic cables are most resistant to electronic eavesdropping.

    Characteristics of UTP

    • Unshielded twisted-pair cable typically consists of four wires and has a distance limitation of 100 meters. It is also prone to electrical interference but can be used in physical bus topologies.

    Characteristics of Fiber-Optic Cabling

    • Fiber-optic cables can operate in electrically noisy environments, can carry data over longer distances than UTP, and generally feature high bandwidth.

    Future-Proof Ethernet Cables

    • For potential switchover to 1 Gbps Ethernet, consider installing Cat 5, Cat 6, or fiber optic cables.

    Crosstalk Phenomenon

    • When two cables run side by side, the interference is known as crosstalk.

    Mitigation of Crosstalk

    • Twisted-pair cabling mitigates crosstalk through the use of differential signals.

    Cabling Category for High-Speed Networks

    • Cat 6a and Cat 8 are specified for 25GBaseT and 40GBaseT networks.

    Wiring Standards for Twisted-Pair Cable

    • Relevant wiring standards include TIA/EIA 568A and TIA/EIA 568B.

    Components of Structured Cabling

    • Key components include patch cables and horizontal wiring; RJ-11 plugs and coax cable are not standard for structured cabling.

    Backbone Cabling Locations

    • Backbone cabling is typically found in MDF rooms, between IDFs, or connecting work areas to an IDF.

    Tools for Patch Cable Making

    • Essential tools for making patch cables include cable strippers, crimping tools, and RJ-45 jacks; 110 punchdown tools are not required.

    Crossover Cable Connections

    • Crossover cables are most likely needed for PC to router connections.

    Fiber-Optic Solutions to UTP Limitations

    • Fiber-optic cables address UTP limitations related to bandwidth, EMI susceptibility, and segment length.

    Fiber-Optic Strands

    • Typical fiber-optic network connections use 2 strands.

    Fiber-Optic Cabling Facts

    • Multimode Fiber (MMF) uses LEDs and has a thicker core; Singlemode Fiber (SMF) employs lasers and has a thinner core.

    Rollover Cable Use

    • Rollover cables are used to configure Cisco devices and connect a PC to that device.

    802.11b Wireless Technology

    • Original 802.11b standard utilizes specific wireless technologies to transmit data.

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    Description

    Test your knowledge on the characteristics of networking mediums and the types of fiber-optic connectors. This quiz covers essential concepts such as bandwidth ratings and maximum segment lengths, as well as connector types suited for high-density applications. Challenge yourself to see how well you understand these fundamental networking topics!

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