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?






2. What is the recommended default TTL?






3. What is prefix /30 in decimal notation?






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






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






6. What is SYN?






7. Which RFC defines the private IPv4 address ranges?






8. What is the IPv4 Protocol number of RSVP?






9. Disables the sending of ICMP redirect messages






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






11. What is ICMP Type 9?






12. What is the function of ICMP redirect messages?






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






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






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






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






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






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






19. What is the format of the ToS field?






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






21. What is IRDP?






22. Which RFC defines IPv4?






23. What is the IPv4 protocol number for UDP?






24. Adds a permanent static ARP entry for an Ethernet host






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






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






27. What is OSI?






28. Enables debugging output for ARP transactions






29. What are the most frequently used options in the IPv4 header?






30. What is a TCP Acknowledgement Number?






31. What is covered by the TCP Checksum field?






32. What is ICMP Type 11?






33. Who are LIRs?






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






35. What is IP?






36. Who assigns IP address space to its own customers?






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






38. What is the most commonly used Option field in the TCP header?






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






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






41. What is the format of an IPv4 header?






42. What are classful routing protocols?

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






44. What is prefix /28 in decimal notation?






45. What is prefix /27 in decimal notation?






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






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






48. Disables proxy ARP on an interface






49. What is the IPv4 Protocol number for OSPF?






50. What is ICMP Type 0?