Test your basic knowledge |

IPV4 Addressing

Subject : it-skills
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Who are LIRs?






2. What is PSH?






3. What TCP/IP protocol suite layer corresponds to the physical and data link layers of the OSI model?






4. What is ARP?






5. What is the format of the ToS byte in the IPv4 header?






6. What is prefix /26 in decimal notation?






7. What is the IPv4 Protocol number for IGMP?






8. Who allocates IP address space and AS numbers to RIRs?






9. What is the ARP Hardware type value for Ethernet?






10. What are the private IPv4 address ranges?






11. What is prefix /27 in decimal notation?






12. What is prefix /25 in decimal notation?






13. What is the content of the TCP Window Size field?






14. What is the function of ICMP router advertisement and router selection messages?






15. What is Reverse ARP?






16. What is prefix /30 in decimal notation?






17. What is the maximum length of an IPv4 header?






18. Enables debugging output for ARP transactions






19. What is a TCP port number of an application called when it is coupled with the IP address of the server?






20. Why must the header checksum of an IPv4 packet be recalculated at every router?






21. What is the ARP Operation value for an Inverse ARP Reply?






22. What routing protocols are classful?






23. What is gratuitous ARP?






24. What is covered by the TCP Checksum field?






25. Disables the sending of ICMP redirect messages






26. Which IPv4 address range is reserved for IPv6 to IPv4 (6to4) relays (RFC 3068)?






27. What is IRDP?






28. What mechanism is used by TCP to provided ordered segment delivery?






29. What is a TCP Acknowledgement Number?






30. What is IP?






31. What is the ARP Protocol address length value for IPv4?






32. Which RFC defines the special use IPv4 address ranges?






33. What is prefix /28 in decimal notation?






34. What is the value of the TCP Reserved field?






35. What are classless routing protocols?






36. What is the IPv4 Protocol number for ICMP?






37. What is proxy ARP?






38. What are the protocol categories that describe the physical layer?






39. What is SYN?






40. Who is responsible for maintaining the official assignments of TCP and UDP port numbers for specific uses?






41. What is URG?






42. What is the format of the TCP Header Length field?






43. Who administers and registers IP address space and AS numbers within a region?






44. What is the format of the Flags field in the TCP header?






45. What is the content of the Maximum Segment Size (MSS) in the Option field of the TCP header?






46. What are the most common IP version numbers?






47. What is the IPv4 Protocol number for EIGRP?






48. What is the ARP Operation value for a Reverse ARP Request?






49. What is NIR?






50. What are classful routing protocols?

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