Cisco Rollover and Ethernet Cables Quiz
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Questions and Answers

When connecting two devices that are similar in regard to the pins they use to transmit, which type of cable should be used?

  • Crossover cable (correct)
  • Fiber-optic cable
  • Ethernet cable
  • Straight-through cable
  • What type of light does fiber-optic cabling typically use for transmission?

  • Infrared light (correct)
  • Ultraviolet light
  • Visible light
  • X-rays
  • What should you avoid doing with a fiber optic cable when it is plugged into a networking device?

  • Bending the cable sharply
  • Exposing the cable to direct sunlight
  • Plugging and unplugging the cable frequently
  • Looking into the end of the cable (correct)
  • What is the purpose of the cladding in optical fiber cabling?

    <p>To reflect light back into the core</p> Signup and view all the answers

    What is the main difference between single-mode fiber and multimode fiber?

    <p>Single-mode fiber allows for longer transmission distances and higher data transmission rates than multimode fiber</p> Signup and view all the answers

    What is the purpose of a WLAN infrastructure mode?

    <p>To use an AP as a central hub for the WLAN</p> Signup and view all the answers

    Which IEEE standards use frequencies in the 2.4 GHz band for wireless communication?

    <p>802.11b and 802.11g</p> Signup and view all the answers

    What characteristic makes fiber-optic cabling more secure than copper cabling?

    <p>It is less susceptible to interference</p> Signup and view all the answers

    In optical fiber cabling, what does 'Tx' stand for?

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

    What is the main advantage of single-mode fiber over multimode fiber?

    <p>Support for longer cabling distances</p> Signup and view all the answers

    What is the purpose of the outer jacket in a fiber-optic cable?

    <p>To provide physical protection to the cladding and core</p> Signup and view all the answers

    What characteristic of light does wavelength refer to?

    <p>The length of one complete wave cycle</p> Signup and view all the answers

    What characteristic distinguishes laser transmitters from LED transmitters?

    <p>Emitting light in a straight line</p> Signup and view all the answers

    Which component of a fiber-optic cable surrounds the core and reflects light back into the core?

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

    What is used to connect an access point (AP) to an existing LAN switch during the installation of a WLAN?

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

    What method does a wireless network use to avoid collisions?

    <p>Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA)</p> Signup and view all the answers

    What is used by WLAN devices to find each other and form an ad hoc network?

    <p>Passive scanning</p> Signup and view all the answers

    Which option describes the main characteristic of wireless media?

    <p>Uses radio waves for data transmission without wire or cable</p> Signup and view all the answers

    What standard defines WLAN standards as part of the 802.11 committee?

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

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