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. Enables debugging output for ARP transactions






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






3. What is prefix /25 in decimal notation?






4. What is Inverse ARP?

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






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






7. What is ACK?






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






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






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






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






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






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






14. What is the format of an ICMP header?






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






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






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






18. What is the IPv4 Protocol number for IGMP?






19. What routing protocols are classful?






20. What is ICMP Type 10?






21. What is the IPv4 Protocol number for GRE?






22. Which protocol has mostly replaced Reverse ARP?






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






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






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






26. What is the recommended default TTL?






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






28. What is ICMP Type 5?






29. What is FIN?






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






31. What is the function of ICMP redirect messages?






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






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






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






35. What are the IP Precedence values?






36. What is LIR?






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

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38. Disables proxy ARP on an interface






39. What is ISP?






40. What is prefix /26 in decimal notation?






41. What is the IPv4 Protocol number for ICMP?






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






43. What is the format of the DiffServ byte?






44. What is the name of the queuing and forwarding of IP packets based on DiffServ?






45. What is prefix /28 in decimal notation?






46. What is the format of an IPv4 header?






47. What is covered by the TCP Checksum field?






48. What is prefix /29 in decimal notation?






49. What is NIR?






50. Which RFC defines the private IPv4 address ranges?