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CSIS 330 QUIZ 3 QUESTION AND ANSWERS

CSIS 330 QUIZ 3 QUESTION AND ANSWERS

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CSIS 330 Quiz 3 D01 LUO

  1.  ____________________________ occurs when the fiber-optic media are not precisely aligned to one another when joined.
  2. What is the purpose of cladding in fiber-optic cables?
  3. What happens if the CSMA process fails and two devices transmit at the same time, creating a data collision?
  4. Which Wi-Fi standard operates in the 2.4-GHz frequency band and offers speeds of up to 54 Mbps?
  5. In which type of industry is fiber optic being used to provide always-on broadband services to homes and small businesses?
  6. The more dispersion there is in a fiber-optic cable, the less the loss in signal strength and the greater the effective distance of the signal over the fiber.
  7. The ___________________ topology is the most common physical LAN topology.
  8. Which of the following items do not comprise the physical components addressed in physical layer standards?
  9. A wireless device will experience degradation in performance based on its distance to a wireless access point.
  10. In _______________________________, all nodes compete for the use of the medium but have a plan if there are collisions.
  11. UTP cable consists of _______ pairs of color-coded wires that have been twisted together and then encased in a flexible plastic sheath that protects them from minor physical damage.
  12. What type of physical topology involves all end systems chained to each other and terminated in some form on each end?
  13. Which of the following statements is false?
  14. Which of the following is not a common type of fiber-optic termination and splicing error?
  15. _________________________ refers to the physical connections and identifies how end devices and infrastructure devices such as router, switches, and wireless access points are interconnected.
  16. Wireless media carry ___________________________ signals that represent the binary digits of data communications using radio or microwave frequencies.
  17. Coaxial cable was traditionally used in cable television and was capable of transmitting in two directions.
  18. Practical bandwidth of a network is determined by a combination of which factors?
  19. ___________________________ permits the transmission of data over longer distances and at higher bandwidths (data rates) than any other networking media.
  20. Controlled access is also known as ______.
  21. A(n) _______________________ transmission exists when data signals are transmitted without an associated clock signal. (CSIS 330 quiz 3)
  22. According to the textbook, throughput usually does not match the specified bandwidth in physical layer implementations.
  23. ___________________________ is throughput minus traffic overhead for establishing sessions, acknowledgements, and encapsulation.
  24. It is the _______________ that influences the type of network framing and Media Access Control used.
  25. _________________________ is a transmission technique in which the amplitude of the carrier varies in accordance with the signal.

csis 330 quiz 3

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