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What is the default port for Telnet?

A. 23

B. 21

C. 25

D. 80

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

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  1. What is the pattern of a preamble?
  2. Which of the following can provide a backbone network of 600 meters in length without using repeaters?
  3. When collection of various computers seems a single coherent system to its client, then it is called…
  4. Select the class C IP address from the following:
  5. Which of the following states suggests that the connection has been ended either at the request of the…
  6. In flags message attribute, which of the following flag indicates that message has been completed?
  7. In which of the following states after selecting a mailbox, actions can be taken against the mail within…
  8. The idea of sharing one network address among the multiple physical networks can be done using the following…
  9. _____________ command is used by the client to transfer the job across to the server.
  10. The packet transmit using standard Internet Protocol(IP) throughout the Internet by
  11. AppleTalk protocol configures hosts in zones on the network.
  12. Which of the following can provide a backbone network of 600 meters in length without using repeaters?
  13. Which of the following protocols is described in RFC 793?
  14. Which of the following application uses 1.5 Mbps bandwidth?
  15. Telnet protocol uses ___________ representation for the function Synchronize.
  16. preamble field of 802.3 frames is encoded using ------------------- encoding
  17. You've taken your Windows 2000 laptop to a client's network and plugged it in. Your computer is configured…
  18. Which Layer is Responsible for Congestion Control?
  19. What is the maximum length of thick Ethernet cable before a signal booster is needed?
  20. Which of the following delivery methods works with only one source and one destination? Multicast
  21. What is the IEEE specification for Ethernet?
  22. What is the maximum length of thinnet cable before a signal booster is needed?
  23. What is the maximum size of IP header in the UDP Datagram format?
  24. AppleTalk protocol configures hosts in zones on the network.
  25. You are browsing www.microsoft.com on a machine named host.contoso.org.. What is the order of domain…
  26. What is the length of MARKER field in BGP message header?
  27. Select the class C IP address from the following:
  28. In distance vector routing an active router sends out information ………………………….
  29. Which of the following provides control over multimedia sessions?
  30. Which of these is an example for unguided transmission?