Network Essay

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Unit 4 Assignment 4 Physical Layer Network Concepts
Jorge Santana
IT22 Network Standards And Protocols
Leno Jr, Henry R
May 3, 2013







  1. You have created a simple electrical circuit with a battery, wires, and a light bulb. Which of the following is true about this circuit? (Choose two.)
      a. The battery's positive lead pulls current toward the lead.
        c The circuit creates a direct current.
  2. A PC NIC and a switch port create one electrical circuit to use when sending data. 1- volt electrical signal with a frequency of 1000 hertz. Which of the following facts are also true? (Choose two answers)
  3. Which of the following tasks is a function done by the transmitter? (Choose two answers)
  4. Which of the following is a possible option to allow both nodes to send data?
  5. Which of the following is a possible option to allow both nodes to send data?
  6. Which of the following facts are in common between both of the Ethernet standards discussed in this chapter, 10 BASE-T and 100 BASE-T? (Choose two answers)
  7. Which of the following facts are in common between both of the Ethernet standards discussed in this chapter, 10 BASE-T and 100 BASE-T? (Choose two answers)
  8. Which of the following answers best describes the definition of a cabling pin out?
  9. Which of the following is true about what happens when a PC NIC connects to a switch using 100 BASE-T?
  10. With a fiber optic cable, the core of the cable, through which light passes, is made of which of the following?
  11. Which of the following is the type of transmitter used on a fiber optic link that provides the longest maximum distances?
  12. Which on answer lists the most likely place to find a fiber-optic link in a campus Ethernet LAN?
  13. Which of the following are true about the slow and fast end of the optical carrier (OC) standards mentioned in this book: OC-1 and OC-192?
  14. What physical medium/media do radio waves need to move from...

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