How many layers are there in the OSI model?

A. 4

B. 5

C. 6

D. 7

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

You can do it
  1. Which of the following network topologies has the highest level of redundancy?
  2. ________allows receiver to inform sender about the successful receiving of all the segments.
  3. Which of the following is a simplex protocol?
  4. What is the range of multicast addressing?
  5. UDP datagram has a header, which is of ________.
  6. Which of the following was initially designed as a video and audio compression standard?
  7. Which of the following is currently a de facto standard, commonly used for point-to-point serial connections…
  8. Which of the following is used for testing the data-link connection in a PPP network?
  9. You're asked to install a Citrix MetaFrame XP server. What protocol will clients use to connect and…
  10. You are browsing www.microsoft.com on a machine named host.contoso.org.. What is the order of domain…
  11. ARP is defined in RFC _____ and it is a current internet standard, ________
  12. Which of the following protocols were designed for terminal emulation to connect dissimilar systems?
  13. Which layer use User Datagram Protocol (UDP) and Transmission Control Protocol (TCP)?
  14. Pure ALOHA has a maximum throughput of -----------
  15. Which of the following is a media type that is most susceptible to interference?
  16. Your Web server is also configured as an FTP server. What part of the data packet will tell the server…
  17. ARP is defined in RFC _____ and it is a current internet standard, ________
  18. Your network has gotten a single class C address but has 300 computers. How can you connect them to…
  19. Which type of connector is used on 10Base2 networks?
  20. How many 64-Kbps channels are used on an ISDN BRI?
  21. In 1996, 36.44% of _________ addresses were brought in use.
  22. Which of the following application uses 1.5 Mbps bandwidth?
  23. What is the default subnet mask for a class B network?
  24. Which of the following can support many concurrent B-channel links and one 64 Kbps Dchannel?
  25. 17. Which of the following use default routes for inter-domain routing?
  26. DSL stands for ------------------------
  27. Strings enclosed in _______ quotation marks indicate single tokens.
  28. Twisted-pair cable uses what type of connector?
  29. ADSL uses high-speed Internet service phone lines
  30. What is the length of MARKER field in BGP message header?