13 What is twist ratio and why is it important It is the number of twists per

13 what is twist ratio and why is it important it is

This preview shows page 3 - 4 out of 4 pages.

13. What is twist ratio and why is it important?It is the number of twists per meter. More twists means that it is more resistant to cross talk.
Background image
14. What fiber is used in fiber-optic cabling to protect the inner core and prevent the cable from stretching?Kelvar15. What characteristic of optical transmissions is primarily responsible for the distance limitations of fiber-optic cabling?Cost and optical loss16. Why is SMF more efficient over long distances than MMF?MMF signals experience more attenuation than SMK signals. 17. Why do APC ferrules create less back reflection than do UPC ferrules?The end faces are angled towards each other 18. What does a fiber cleaver do? Cuts or breaks an optical fiber for termination19. How is latency measured and in what unit?It is measured by RTT which is the delay from when data leaves the source to when it arrives. 20. What is the difference between short circuits and open circuits?A short circuit is unwanted. An open circuit is when needed connections are missing.
Background image

You've reached the end of your free preview.

Want to read all 4 pages?

  • Spring '16
  • Doris Johnson
  • Networking, Category 6 cable, Twisted pair, twisted-pair cable, multiplexing assigns slots, B. Half-duplex

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture