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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 allocates public IP address ranges to NIRs or LIRs?






2. What is ICMP Type 10?






3. Deletes dynamic entries from the ARP cache






4. What is proxy ARP?






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






6. What is ISP?






7. What is prefix /27 in decimal notation?






8. What is the ARP Hardware address length value for Ethernet?






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






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






11. What is the recommended default TTL?






12. What is ECE?






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






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






15. What is IANA?






16. Disables proxy ARP on an interface






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






18. What is a TCP Acknowledgement Number?






19. What is ICMP Type 0?






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






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






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






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






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






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






26. What is the format of an ICMP header?






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






28. What is gratuitous ARP?






29. Which RFC defines IPv4?






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






31. What is the purpose of a socket?






32. What is ICMP Type 11?






33. What is the format of a TCP header?






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






35. What are the IP Precedence values?






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






37. What is the IPv4 Protocol number for ICMP?






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






39. What is IRDP?






40. What is prefix /25 in decimal notation?






41. What is ICMP Type 3?






42. What is OSI?






43. What is the IPv4 Protocol number for EIGRP?






44. What are the private IPv4 address ranges?






45. What is ICMP Type 8?






46. Which protocol has mostly replaced Reverse ARP?






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






48. What is IP?






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






50. What is the function of ICMP redirect messages?






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