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. Which IPv4 address range is reserved for benchmark testing of Internet devices (RFC 2544)?






2. What is the ARP Operation value for an ARP Request?






3. What is the first octet rule for IPv4 address classes in decimal?






4. What TCP/IP protocol suite layer corresponds to the transport layer of the OSI model?






5. What is gratuitous ARP?






6. What are the most common IP version numbers?






7. What routing protocols are classful?






8. What is ICMP Type 8?






9. What is IRDP?






10. What is CWR?






11. What are the private IPv4 address ranges?






12. Who is responsible for the global coordination of the DNS Root - IP addressing - and other Internet protocol resources?






13. Who owns the processes by which public IP address space and AS numbers are allocated and assigned?






14. What is prefix /26 in decimal notation?






15. What is the format of a TCP header?






16. What is the IPv4 Protocol number for GRE?






17. What is SYN?






18. What is prefix /29 in decimal notation?






19. What is the Fragment Offset field in the IPv4 header?






20. What is the difference between the ToS and the DiffServ byte?






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






22. What is TCP?






23. What mechanisms are used by TCP to provide reliable segment delivery?






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






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






26. What is the ARP Operation value for an Inverse ARP Request?






27. What is the minimum length of an IPv4 header?






28. What IPv4 header fields are used for fragmentation?






29. What is ICMP Type 10?






30. Who are LIRs?






31. What is PSH?






32. What is ICMP Type 11?






33. Specifies the format in which subnet masks are displayed in show command output






34. What is the first octet rule for IPv4 address classes in binary?






35. Deletes dynamic entries from the ARP cache






36. What is URG?






37. Who can assign IP address space to end user organizations?






38. What is the ARP Protocol type value for IPv4?






39. What is a TCP Acknowledgement Number?






40. What is ICMP Type 9?






41. What is LIR?






42. What is proxy ARP?






43. What is the content of the the Urgent Pointer field in the TCP header?






44. What is added after the Option field in the TCP header?






45. What is the IPv4 Protocol number for IP in IP encapsulation?






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






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






48. What mechanism is used by TCP to regulate the flow of segments?






49. Which IPv4 address range is reserved for self-identification on a local subnet?






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