Have fun with the quiz. Subnetting is hard to learn so go easy on yourself and take your time.

Here is the book if you don’t have a copy yet.

1. Your boss asks you for the broadcast address host 192.168.25.148/28 is in. What do you tell her?

Question 1 of 50

2. Host 200.200.200.200 /28 is in which subnet?

Question 2 of 50

3. 200.100.40.0 /28 produces how many subnets and host-per-subnet?

Question 3 of 50

4. Your boss asks you to write a summary route for networks 172.16.0.0-172.20.0.0 inclusive. What you do tell him?

Question 4 of 50

5. Write the summary address for networks 192.168.0.0-192.168.50.0 inclusive.

Question 5 of 50

6. Which mask applied to 172.16.0.0 will give you 256 subnets with 254 hosts-per-subnet?

Question 6 of 50

7. Can you use address  200.100.40.15/28 on an interface or host?

Question 7 of 50

8. Tick which subnets belong to 200.10.10.0/28?

Question 8 of 50

9. Write the summary address for network 200.100.100.0-200.100.100.20 inclusive.

Question 9 of 50

10. Tick which addresses belong to the Class A group.

Question 10 of 50

11. Tick the valid Class B addresses.

Question 11 of 50

12. Tick the valid Class C addresses.

Question 12 of 50

13. Write out CIDR /12 in full.

Question 13 of 50

14. Your boss asks you for a subnet mask which will generate 2 host addresses for a point-to-point link. What do you say?

Question 14 of 50

15. What is the full range of addresses reserved for IPv4 multicasts?

Question 15 of 50

16. What is the full range of IP addresses reserved for IPv4 experimental use?

Question 16 of 50

17. Which range of IP addresses are reserved for loopback testing?

Question 17 of 50

18. Your boss tells you to use the second subnet generated from 10.0.0.0 /17. Which subnet can you use?

Question 18 of 50

19. Your boss tells you to use the second subnet generated from 12.0.0.0 /9. Which subnet do you use?

Question 19 of 50

20. What are the valid hosts generated from 12.128.0.0/9?

Question 20 of 50

21. What is the broadcast address for host  200.10.0.0 /25?

Question 21 of 50

22. Your boss gives you network 200.200.100.0 and asks you to create 4 subnets each with 62 hosts. Which mask do you use?

Question 22 of 50

23. Write out subnet mask 255.255.255.192 in CIDR.

Question 23 of 50

24. Write out the summary address for networks 10.0.0.0-10.17.0.0 inclusive.

Question 24 of 50

25. Network equipment recognises Class C addresses as such because the first three binary bits are?

Question 25 of 50

26. What are the valid subnets created from 15.0.0.0 /10? Choose all which apply.

Question 26 of 50

27. You have network 200.100.100.0 and need to create 32 subnets each having 6 hosts. Which mask do you use?

Question 27 of 50

28. Which wildcard mask will match subnet  255.192.0.0?

Question 28 of 50

29. You see subnet mask 255.255.255.224. Your subnets will go up in what increments?

Question 29 of 50

30. Write the summary route for networks 192.168.1.0-192.168.22.0 inclusive.

Question 30 of 50

31. You are told to use the third subnet created from 30.0.0.0 /14. Which subnet do you use?

Question 31 of 50

32. 192.168.100.0/28 means your subnets go up in what increment?

Question 32 of 50

33. What is the host range of addresses for 210.200.100.96/27?

Question 33 of 50

34. What is the broadcast address for subnet 210.200.100.32/27?

Question 34 of 50

35. Which are valid subnets for 210.200.100.0/30? Choose all which apply.

Question 35 of 50

36. With 192.168.1.0 255.255.255.252 how many hosts bits have been used for subnetting?

Question 36 of 50

37. What is the host range for subnet 10.1.128.0/17?

Question 37 of 50

38. What are the valid subnets created from  172.20.0.0 /19? Choose all which apply.

Question 38 of 50

39. Write out subnet mask 255.224.0.0 in CIDR.

Question 39 of 50

40. What is the broadcast address for subnet 172.20.224.0/19?

Question 40 of 50

41. What is the last subnet available to be used from 100.0.0.0 /10?

Question 41 of 50

42. What is the broadcast address for subnet 100.64.0.0/10?

Question 42 of 50

43. How many subnets and hosts-per-subnet are created from 180.10.0.0 /19?

Question 43 of 50

44. What is the usable host range for 180.10.0.0 /19?

Question 44 of 50

45. What is the usable host range for 194.100.100.4/30?

Question 45 of 50

46. What is the usable host range for the LAST subnet available from 194.100.100.0 /30?

Question 46 of 50

47. How many subnets and hosts-per-subnet are generated from  172.30.0.0 /20?

Question 47 of 50

48. Summarize networks 220.100.32.0-220.100.50.0 inclusive.

Question 48 of 50

49. Which mask do you apply to 200.100.100.0 to generate 64 subnets?

Question 49 of 50

50. What is the second subnet generated from 210.10.10.0 /26?

Question 50 of 50