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Which is the port used by POP3?

A. 69

B. 110

C. 143

D. 443

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  1. A router receives an IP packet with source IP address 130.45.3.3 and destination IP address 202.23.4.16.…
  2. In ________ routing, the tunnel creates a bridge through areas that do not support multicast traffic.
  3. A network's Internet connection uses a 128-Kbps Basic Rate Interface (BRI). What type of connection…
  4. Pure ALOHA has a maximum throughput of -----------
  5. Which of the following can be used to transfer files from a Unix server?
  6. Which Layer is Responsible for Congestion Control?
  7. Which of the following can provide a backbone network of 600 meters in length without using repeaters?
  8. Which is the port used by POP3?
  9. Which of the following is currently a de facto standard, commonly used for point-to-point serial connections…
  10. What is the maximum length of thick Ethernet cable before a signal booster is needed?
  11. Which piece of equipment operates at both the data-link and network layers?
  12. Using a class B address maximum of …………………networks can be…
  13. A financial institution that issues the card to the purchaser is ________.
  14. The idea of sharing one network address among the multiple physical networks can be done using the following…
  15. What is the distance limitation of Cat5 UTP?
  16. Which of the following is required to communicate between two computers?
  17. If user A wants to send an encrypted message to user B, the plaintext is encrypted with the public key…
  18. DSL stands for ------------------------
  19. Where are routing tables placed?
  20. 127.0.0.1 address is reserved for internal loopback functions.
  21. How many 64-Kbps channels are used on an ISDN BRI?
  22. Which of the following application uses 1.5 Mbps bandwidth?
  23. Which type of connector is used on 10Base2 networks?
  24. Which of the following is defined in RFC 4366?
  25. FDDI operates on 100 Mbps.
  26. What is the default subnet mask for a class B network?
  27. What layer of the OSI protocol reference model does a bridge operate under?
  28. FTP servers by default listen on port ________ for incoming connections from FTP clients.
  29. How many table entries are supported by global routing table in CIDR?
  30. Which of the following filed represents the sender of the message in an electronic mail?