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

A. coaxial cable

B. Optical fiber

C. twisted pair

D. wave guides

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. Which of the following protocol resolves a host's hardware address for a known IP address?
  2. Following are the advantages of tree topologyi) Point-to-point wiring for individual segments.ii) Supported…
  3. 25 is used by SMTP
  4. Select the standard for token ring using token-passing media access.
  5. Which of the following is a simplex protocol?
  6. Which of the following use default routes for inter domain routing?
  7. Which of the following provides control over multimedia sessions?
  8. What can be used in the place of DNS to resolve host names to IP addresses?
  9. _____________ command is used by the client to transfer the job across to the server.
  10. Videoconferencing is an example for…………………… communication
  11. The worldwide Internet is a well-known example of ------------------.
  12. What is the maximum size of IP header in the UDP Datagram format?
  13. In an active mode if any FTP client sends the port command "PORT 192,168,0,1,4,1" then what will be…
  14. In which of the following states after selecting a mailbox, actions can be taken against the mail within…
  15. In an authentication using symmetric keys, if 10 people need to communicate, we need _______ keys.
  16. FTP servers by default listen on port ________ for incoming connections from FTP clients.
  17. Which of the following is the port used by SMTP?
  18. Which of the following is used for establishing, configuring, and testing the data-link Link Control…
  19. In Secure Electronic Transaction, the description of the purchase and cost is contained in ________…
  20. Which of the following filed represents the sender of the message in an electronic mail?
  21. _____________________ are set up to fulfill service ordering, service assurance, and billing functions.
  22. BGP is …………………………………….routing…
  23. Which of the following provides the service for any casting?
  24. What is the maximum distance of single-mode fiber (SMF)?
  25. What layer of the OSI protocol reference model does a bridge operate under?
  26. Which OSI model layer provides for encryption and decryption of data?
  27. Which of the following are not the standard representations defined by Telnet protocol?
  28. You have a network card with only one connector, which looks like a place to plug an oversized phone…
  29. Router B receives an update from router A that indicates Net1 is two hops away. The next update from…
  30. In FTP, to execute a file transfer, the user begins by _________.