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. Deletes dynamic entries from the ARP cache






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






3. What is the format of the Flags field in the TCP header?






4. What are the uses of gratuitous ARP?






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






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






7. What is the format of a TCP header?






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






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






10. Enables debugging output for ARP transactions






11. What is Reverse ARP?






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






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






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






15. What is the format of an ARP packet?






16. What is the ARP Protocol address length value for IPv4?






17. What mechanism is used by TCP to regulate the flow of segments?






18. Disables proxy ARP on an interface






19. Who is responsible for the global coordination of the DNS Root - IP addressing - and other Internet protocol resources?






20. What is prefix /28 in decimal notation?






21. What is the IPv4 Protocol number for TCP?






22. Who group public IPv4 address space by major geographic region?






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






24. What are the most common IP version numbers?






25. What is prefix /27 in decimal notation?






26. What is the format of the ToS field?






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






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






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






30. Disables the sending of ICMP redirect messages






31. What is ISP?






32. How does the layers of the TCP/IP protocol suite map to the 7 layers of the OSI model?






33. What is ARP?






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






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






36. What is prefix /29 in decimal notation?






37. Which RFC defines the private IPv4 address ranges?






38. What is the content of the TCP Window Size field?






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






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






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






42. What is the format of a UDP header?






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






44. Which protocol has mostly replaced Reverse ARP?






45. What is LIR?






46. What is the IPv4 Protocol number for OSPF?






47. What is RIR?






48. What is the IPv4 Protocol number for EIGRP?






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






50. What is ACK?