Which of the following transmission media suffers more from transmission impairment?

A. coaxial cable

B. Optical fiber

C. twisted pair

D. wave guides

Related Questions

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  2. What is the length of MARKER field in BGP message header?
  3. This mapping of name to IP address is done by …………………………….
  4. Which function is not supported by E-mail?
  5. What does a patch cable connect to within an Ethernet network?
  6. Which directory service is used in Windows 2000 Server?
  7. Which of the following transmission media suffers more from transmission impairment?
  8. Which layer of the OSI model does a switch operate in?
  9. 25 is used by SMTP
  10. Which of the following can support many concurrent B-channel links and one 64 Kbps Dchannel?
  11. Which of the following is required to communicate between two computers?
  12. The network interface layer specifies how to organize data into………………………..and…
  13. Which of the following protocols is described in RFC 793?
  14. A network's Internet connection uses a 128-Kbps Basic Rate Interface (BRI). What type of connection…
  15. preamble field of 802.3 frames is encoded using ------------------- encoding
  16. Which of the following was initially designed as a video and audio compression standard?
  17. Which of the following provides control over multimedia sessions?
  18. To communicate across a TCP/IP network, you must have a DNS server and DNS clients installed.
  19. TCP protocol is responsible for connection-oriented communication
  20. ADSL uses high-speed Internet service phone lines
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  22. ICMP messages require ………………. levels of encapsulation
  23. Thick Ethernet cable uses what type of connector? Select all that apply.
  24. What is the pattern of a preamble?
  25. --------------- is/are used for error detection.
  26. What is the range of multicast addressing?
  27. Which of the following protocols is not routable?
  28. 80 is the well-known port number for the HTTP service.
  29. Which of the following protocol resolves a host's hardware address for a known IP address?
  30. Videoconferencing is an example for…………………… communication

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