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. What is ICMP Type 5?






2. What is ICMP Type 11?






3. What is IRDP?






4. What is ICMP?






5. Which RFC defines the private IPv4 address ranges?






6. What is prefix /28 in decimal notation?






7. What is the IPv4 Protocol number for OSPF?






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






9. What is URG?






10. What is the format of a UDP header?






11. What is the format of the ToS field?






12. What is prefix /29 in decimal notation?






13. Which RFC defines IPv4?






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






15. What are the IP Precedence values?






16. What is the format of a TCP header?






17. What routing protocols are classful?






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






19. What is ICMP Type 10?






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






21. What are the private IPv4 address ranges?






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






23. What is CWR?






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






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






26. What is SYN?






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






28. Disables proxy ARP on an interface






29. Disables the sending of ICMP redirect messages






30. What is PSH?






31. What TCP/IP protocol suite layer corresponds to the network layer of the OSI model?






32. What is FIN?






33. What is the recommended default TTL?






34. What is the function of ICMP redirect messages?






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






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






37. What is OSI?






38. What is the IPv4 Protocol number for GRE?






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






40. What is ICMP Type 0?






41. What is the the MF-bit in the IPv4 header?






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






43. What is the ARP Operation value for a Reverse ARP Reply?






44. What is the formula to calculate the next Sequence Number based on the Sequence Number of the current TCP segment?






45. Who are LIRs?






46. What is the IPv4 Protocol number for IGMP?






47. What is ECE?






48. What field identifies where the TCP encapsulated data fits within the data stream from the sender?






49. Which IPv4 address range is reserved for loopback testing?






50. What is ICMP Type 3?