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






2. What are classful routing protocols?

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3. Configures how long a dynamically learned protocol address and its corresponding hardware address remains in the ARP cache






4. What is the function of ICMP redirect messages?






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






6. What is prefix /27 in decimal notation?






7. Who are LIRs?






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






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






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






11. What is TCP?






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






13. What are the private IPv4 address ranges?






14. Disables the sending of ICMP redirect messages






15. What is ICANN?






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






17. What is SYN?






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






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






20. What is IP?






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






22. Which RFC defines IPv4?






23. What is the IPv4 Protocol number for IGMP?






24. What is the recommended default TTL?






25. What is RIR?






26. What is a TCP Acknowledgement Number?






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






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






29. What is prefix /29 in decimal notation?






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






31. What is RST?






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






33. What is LIR?






34. What is ISP?






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






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






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






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






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






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






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






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






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






44. What is prefix /25 in decimal notation?






45. What is IANA?






46. What is the format of the DiffServ byte?






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






48. What is ICMP Type 5?






49. Disables proxy ARP on all interfaces






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