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Videoconferencing is an example for…………………… communication

A. Simplex

B. Half duplex

C. Full duplex

D. serial

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

You can do it
  1. What is the maximum length of thick Ethernet cable before a signal booster is needed?
  2. Which class of IP addressing was not brought in much use?
  3. Which is the port used by POP3?
  4. Which of the following is the port used by SMTP?
  5. Which of the following IP addresses are used by multicast devices?
  6. The idea of sharing one network address among the multiple physical networks can be done using the following…
  7. The worldwide Internet is a well-known example of ------------------.
  8. Which directory service is used in Windows 2000 Server?
  9. You're asked to install a Citrix MetaFrame XP server. What protocol will clients use to connect and…
  10. At which layer of the OSI model do FTP, SMTP, POP3, and HTTP function?
  11. In FTP, to execute a file transfer, the user begins by _________.
  12. Which of the following protocols is described in RFC 793?
  13. What is the default subnet mask for a class B network?
  14. Twisted-pair cable uses what type of connector?
  15. Which of the following use default routes for inter domain routing?
  16. Network administrator checks whether all the devices connected to the end-to-end path are _________-enabled.
  17. How many table entries are supported by global routing table in CIDR?
  18. Which of the following can translate between dissimilar protocols and network types?
  19. Thick Ethernet cable uses what type of connector? Select all that apply.
  20. You're asked to install a Citrix MetaFrame XP server. What protocol will clients use to connect and…
  21. What is the default port for Telnet?
  22. ARP is defined in RFC _____ and it is a current internet standard, ________
  23. DSL stands for ------------------------
  24. What is the distance limitation of Cat5 UTP?
  25. Which of the following protocol was developed to overcome limitations of Routing Information Protocol…
  26. SMTP protocol is responsible for sending email across the Internet
  27. Which of the following protocols is described in RFC 793?
  28. If user A wants to send an encrypted message to user B, the plaintext is encrypted with the public key…
  29. Identify the topology and network type that uses a central hub with cables connected to workstations.
  30. Which type of connector is used on 10Base2 networks?