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Cisco CCNA in 60 Days

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1. Given the class C network of 192.168.0.0/16, which subnet mask would be applied to allow for 512 equally sized subnets that consume the entire network range?

Question 1 of 50

2. You are tasked with assigning a network range that contains 64 usable addresses. Which of the following subnet masks would meet the requirement with the least amount of wasted space?

Question 2 of 50

3. Your company has been assigned public address space of 199.66.44.32/27. Which of the following is NOT a valid IP address for use?

Question 3 of 50

4. Which of the following is the broadcast address for 10.14.96.0/19

Question 4 of 50

5. A branch office has the following networks:

172.16.9.0/23
172.16.34.0/25
172.16.33.128/25
172.16.7.0/24

A summary route has been configured for 172.16.0.0/19 to represent the branch networks. Which of the following statements is true?

Question 5 of 50

6. A branch office has the following networks:

172.18.12.0/24
172.19.13.0/24
192.168.0.8/29
192.168.0.16/29

Which two summary routes should be used to represent all networks at the branch office?

Question 6 of 50

7. Given the network address 4.128.0.0/7, which two IP addresses are valid host addresses?

Question 7 of 50

8. Given the subnet mask 255.252.0.0, which two statements are FALSE?

Question 8 of 50

9. Given the class C network of 192.168.0.0/16, which two of the following statements are FALSE?

Question 9 of 50

10. Given the network address 8.16.24.0/22, which two of the following statements are TRUE?

Question 10 of 50

11. A client PC has an IP address of 10.32.41.11 and a subnet mask of 255.255.252.0. The default gateway for the client is the last usable address in the subnet. Which of the following two statements are TRUE?

Question 11 of 50

12. A summary route of 172.19.160.0/20 has been configured on your head office router in order to reach a branch office. You have been tasked with assigning two new subnets for the branch office. Which of the following networks should be chosen so that no additional routes need to be configured on the head office router?

Question 12 of 50

13. Your company data center has been allocated 10.1.0.0/18 for use. Which two of the following statements are true?

Question 13 of 50

14. Match the subnet mask with a corresponding CIDR notation

 
255.0.0.0
10.10.0.0/15

Unselect

10.10.0.0/28

Unselect

10.0.0.0/8

Unselect

10.10.0.0/17

Unselect

10.10.0.0/21

Unselect

255.254.0.0
10.10.0.0/15

Unselect

10.10.0.0/28

Unselect

10.0.0.0/8

Unselect

10.10.0.0/17

Unselect

10.10.0.0/21

Unselect

255.255.248.0
10.10.0.0/15

Unselect

10.10.0.0/28

Unselect

10.0.0.0/8

Unselect

10.10.0.0/17

Unselect

10.10.0.0/21

Unselect

255.255.128.0
10.10.0.0/15

Unselect

10.10.0.0/28

Unselect

10.0.0.0/8

Unselect

10.10.0.0/17

Unselect

10.10.0.0/21

Unselect

255.255.255.240
10.10.0.0/15

Unselect

10.10.0.0/28

Unselect

10.0.0.0/8

Unselect

10.10.0.0/17

Unselect

10.10.0.0/21

Unselect

Question 14 of 50

15. Match the CIDR notation to the number of usable host addresses
192.168.16.0/21
510

Unselect

2

Unselect

4094

Unselect

62

Unselect

2046

Unselect

172.16.0.0/26
510

Unselect

2

Unselect

4094

Unselect

62

Unselect

2046

Unselect

10.100.32.0/23
510

Unselect

2

Unselect

4094

Unselect

62

Unselect

2046

Unselect

64.4.4.96/30
510

Unselect

2

Unselect

4094

Unselect

62

Unselect

2046

Unselect

10.128.0.0/20
510

Unselect

2

Unselect

4094

Unselect

62

Unselect

2046

Unselect

Question 15 of 50

16. Match the subnet mask to the number of usable hosts
255.255.255.0
62

Unselect

254

Unselect

30

Unselect

14

Unselect

510

Unselect

255.255.255.240
62

Unselect

254

Unselect

30

Unselect

14

Unselect

510

Unselect

255.255.254.0
62

Unselect

254

Unselect

30

Unselect

14

Unselect

510

Unselect

255.255.255.192
62

Unselect

254

Unselect

30

Unselect

14

Unselect

510

Unselect

255.255.255.224
62

Unselect

254

Unselect

30

Unselect

14

Unselect

510

Unselect

Question 16 of 50

17. You are given a network allocation of 10.200.0.0/20 . Match the number of available subnets in this range to the subnet mask assigned to the hosts. Assume all subnets are of equal size.
255.255.255.0
8

Unselect

16

Unselect

2

Unselect

64

Unselect

255.255.255.192
8

Unselect

16

Unselect

2

Unselect

64

Unselect

255.255.254.0
8

Unselect

16

Unselect

2

Unselect

64

Unselect

255.255.248.0
8

Unselect

16

Unselect

2

Unselect

64

Unselect

Question 17 of 50

18. You are provided a network address of 192.168.96.0/21. The first 50 usable addresses are reserved for static IP assignment. How many usable IP addresses are left in the subnet?

Question 18 of 50

19. Which of the following subnet masks is represented by /13?

Question 19 of 50

20. A small company has chosen to use the 172.16.0.0/16 network range for use in their network. Match the number of available subnets to the CIDR notation. Assume all other subnets are the same size.
172.16.0.0/24
256

Unselect

16

Unselect

1024

Unselect

64

Unselect

172.16.0.0/20
256

Unselect

16

Unselect

1024

Unselect

64

Unselect

1172.16.0.0/26
256

Unselect

16

Unselect

1024

Unselect

64

Unselect

172.16.0.0/22
256

Unselect

16

Unselect

1024

Unselect

64

Unselect

Question 20 of 50

21. A PC has an IP address of 82.34.55.194/25.  Which two of the following statements are true about the subnet the PC is contained in?

Question 21 of 50

22. Match the default subnet mask to the given IP addresses based on class membership.
25.68.61.24
255.255.0.0

Unselect

255.255.255.0

Unselect

255.255.0.0

Unselect

255.255.255.0

Unselect

255.0.0.0

Unselect

255.0.0.0

Unselect

54.38.29.104
255.255.0.0

Unselect

255.255.255.0

Unselect

255.255.0.0

Unselect

255.255.255.0

Unselect

255.0.0.0

Unselect

255.0.0.0

Unselect

201.34.23.19
255.255.0.0

Unselect

255.255.255.0

Unselect

255.255.0.0

Unselect

255.255.255.0

Unselect

255.0.0.0

Unselect

255.0.0.0

Unselect

135.59.23.204
255.255.0.0

Unselect

255.255.255.0

Unselect

255.255.0.0

Unselect

255.255.255.0

Unselect

255.0.0.0

Unselect

255.0.0.0

Unselect

186.28.54.8
255.255.0.0

Unselect

255.255.255.0

Unselect

255.255.0.0

Unselect

255.255.255.0

Unselect

255.0.0.0

Unselect

255.0.0.0

Unselect

198.56.23.10
255.255.0.0

Unselect

255.255.255.0

Unselect

255.255.0.0

Unselect

255.255.255.0

Unselect

255.0.0.0

Unselect

255.0.0.0

Unselect

Question 22 of 50

23. A PC is configured with the IP address of 144.12.98.17 and the default subnet mask for a class B network. Which of the following is the broadcast address?

Question 23 of 50

24. You are tasked with creating a network large enough for 125 hosts. Which of the following networks will meet the requirement while wasting the least amount of address space?

Question 24 of 50

25. How many host addresses are contained within a network using the subnet mask of 255.255.192.0? Include the broadcast and network addresses.

Question 25 of 50

26. Given the network address 10.80.0.0/12, which two of the following IP address can be used for client PC's?

Question 26 of 50

27. A branch office has the following networks:

10.88.144.0/24
10.88.146.0/24
10.88.148.0/24
10.88.145.0/24

Which is the smallest of the following summary addresses that contains all four networks?

Question 27 of 50

28. The 172.20.16.0/21 summary address has been configured on the HQ router in order to reach the following Branch A networks:

172.20.20.0/24
172.20.21.0/24
172.20.23.0/24

A network administrator at Branch B has noticed that 172.20.25.0/ 23 is not yet in use and would like to use this subnet.  Which of the following two statements are true?

Question 28 of 50

29. Given the network address 198.152.22.0/21, which two of the following statements are TRUE?

Question 29 of 50

30. What is the binary representation of 255.255.192.0?

Question 30 of 50

31. A network engineer wants to create two subnets within the 192.168.100.0/24 network. The subnets will require 50 and 100 hosts respectively.

Which two subnets below can be used together to meet his requirements?

Question 31 of 50

32. A branch office currently has the following networks:

192.168.0.0/27
192.168.48.0/28

A network administrator would like to create another subnet using 192.168.32.0/27. Which of the following statements is true?

Question 32 of 50

33. A branch office currently has the following networks:

192.168.64.0/26
192.168.128.0/26

Which of the following is the smallest summary address that will include both networks?

Question 33 of 50

34. Your office location currently has the following networks:

10.100.0.0/26
10.100.0.64/27
10.100.0.120/29
10.100.0.128/26

You need to create a new subnet that contains at least 75 usable addresses. Which subnet should you create?

Question 34 of 50

35. How many usable host addresses are available in a network with the subnet mask of 255.255.240.0?

Question 35 of 50

36. What is the network address for a PC with the IP address 65.4.78.78 and a subnet mask of 255.255.240.0?

Question 36 of 50

37. What is the broadcast address for 22.12.88.0/21?

Question 37 of 50

38. The default gateway for a client PC is the first usable address in the network range. If a PC is configured with an IP address of 192.168.13.232 and the subnet mask is 255.255.252.0 What is the gateway IP address?

Question 38 of 50

39. What is the range of valid host address that contains 76.72.75.34/15

Question 39 of 50

40. What is the last valid host address for the network containing 24.32.66.58/17?

Question 40 of 50

41. Given the broadcast address of 192.168.99.255 and a subnet mask of 255.255.252.0, what is the network address?

Question 41 of 50

42. Given the network address of 172.16.20.0 and a broadcast address of 172.16.21.255, which of the following is the subnet mask?

Question 42 of 50

43. Which of the following CIDR notations would represent a usable IP address range of 192.168.4.65-192.168.4.94?

Question 43 of 50

44. Which two of the following statements are TRUE for a network that contains 6 usable host addresses?

Question 44 of 50

45. A branch office has three departments. IT has been allocated 25% of the usable address space, Finance has been allocated 25%, and the remaining 50% of addresses has been given to the sales team.

If the network subnet assigned to IT is 192.168.64.0/26, how many IP addresses are in the sales subnet? Include the broadcast and network addresses.

 

Question 45 of 50

46. A branch office has three departments. IT has been allocated 25% of the usable address space, Finance has been allocated 25%, and the remaining 50% of addresses has been given to the sales team.

If the network subnet assigned to IT is 192.168.64.0/26 which two subnets would be allocated to Sales and Finance

 

Question 46 of 50

47. A branch office has three departments. IT has been allocated 25% of the usable address space, Finance has been allocated 25%, and the remaining 50% of addresses has been given to the sales team.

If the network subnet assigned to Finance is 192.168.128.0/26, which subnet must be used for IT?

 

Question 47 of 50

48. If two clients have the IP addresses 10.16.8.31 and 10.16.8.62, which of the following network masks should not be used if the clients need to reside in the same subnet ?

Question 48 of 50

49. If two clients have the IP addresses 10.31.64.3 and 10.31.64.65, which of the following is the smallest subnet that contains both clients?

Question 49 of 50

50. If the subnet mask for a given network is 255.240.0.0, which of the following pairs of IP addresses belong to the same subnet?

Question 50 of 50


 

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