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 SYN?






2. Which IPv4 address range is reserved for use in documentation and example code?






3. What is ICMP Type 9?






4. What is the function of ICMP redirect messages?






5. What is the IPv4 Protocol number for GRE?






6. What is the IPv4 Protocol number for TCP?






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






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






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






10. What is covered by the TCP Checksum field?






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






12. Which RFC defines IPv4?






13. What is Reverse ARP?






14. What is gratuitous ARP?






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






16. What is the ARP Operation value for an ARP Reply?






17. Who are LIRs?






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






19. What is the TTL field in the IPv4 header?






20. What is the format of a UDP header?






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






22. What are the steps to subnet an IPv4 address?






23. What are the most common IP version numbers?






24. What is IANA?






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






26. What is the IPv4 Protocol number for OSPF?






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






28. What is the format of the ToS field?






29. What TCP/IP protocol suite layer corresponds to the session - presentation and application layers of the OSI model?






30. How can the receiver determine the size of a packet's data payload based on the IPv4 header?






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






32. What is FIN?






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






34. Disables the sending of ICMP redirect messages






35. What is the format of the Flags field in the IPv4 header?






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






37. What is CWR?






38. What is ICMP Type 3?






39. What is prefix /26 in decimal notation?






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






41. What are the uses of gratuitous ARP?






42. What is ICMP Type 10?






43. Who administers and registers public IP address space and AS numbers within a country or economic unit?






44. Who allocates public IP address ranges to NIRs or LIRs?






45. What is the other name for the TCP Header Length field?






46. What is ACK?






47. What is a TCP Acknowledgement Number?






48. What is the DF-bit in the IPv4 header?

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






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