Subnetting Practice MCQ Test: Master IP Addressing
Questions: 30
Questions
-
1. What is the default subnet mask for a Class A IP address?
- a) 255.255.255.0
- b) 255.0.0.0
- c) 255.255.0.0
- d) 255.255.255.255
-
2. How many subnets can be created by borrowing 3 bits from the host portion of a Class C network?
- a) 8
- b) 4
- c) 16
- d) 32
-
3. What is the subnet mask for a network with a /26 prefix?
- a) 255.255.255.240
- b) 255.255.255.192
- c) 255.255.255.128
- d) 255.255.255.224
-
4. How many host addresses are available in a subnet with a subnet mask of 255.255.255.0 (Class C)?
- a) 254
- b) 256
- c) 512
- d) 1024
-
5. What is the network address for the IP 192.168.10.12/28?
- a) 192.168.10.0
- b) 192.168.10.8
- c) 192.168.10.16
- d) 192.168.10.12
-
6. What is the broadcast address for the subnet 10.10.10.0/24?
- a) 10.10.10.255
- b) 10.10.10.0
- c) 10.10.11.255
- d) 10.10.10.128
-
7. How many IP addresses are available in a subnet with a subnet mask of 255.255.255.240?
- a) 16
- b) 30
- c) 32
- d) 64
-
8. Which of the following IP addresses falls within the subnet 192.168.1.0/29?
- a) 192.168.1.7
- b) 192.168.1.4
- c) 192.168.1.8
- d) 192.168.1.15
-
9. What is the valid host range for the subnet 192.168.10.16/29?
- a) 192.168.10.17 - 192.168.10.30
- b) 192.168.10.17 - 192.168.10.22
- c) 192.168.10.16 - 192.168.10.31
- d) 192.168.10.18 - 192.168.10.30
-
10. Which subnet mask would be used for a /30 prefix?
- a) 255.255.255.252
- b) 255.255.255.255
- c) 255.255.255.240
- d) 255.255.255.224
-
11. What is the number of subnets that can be created from a Class B network with a subnet mask of /22?
- a) 4
- b) 1024
- c) 16
- d) 64
-
12. How do you calculate the number of usable hosts in a subnet?
- a) Subtract 2 from the total number of IP addresses in the subnet
- b) Multiply the total number of IP addresses in the subnet
- c) Add 2 to the total number of IP addresses
- d) Use the default IP range
-
13. How many subnets can be created by borrowing 4 bits from the host portion of a Class C IP address?
- a) 16
- b) 4
- c) 8
- d) 32
-
14. What is the subnet mask for a Class B network with a /17 prefix?
- a) 255.255.255.255
- b) 255.255.128.0
- c) 255.255.255.0
- d) 255.255.192.0
-
15. What is the broadcast address for a subnet with the network address 172.16.0.0/19?
- a) 172.16.0.255
- b) 172.16.31.255
- c) 172.16.31.0
- d) 172.16.0.31
-
16. How many bits are used for the network portion in a /22 subnet mask?
- a) 22
- b) 16
- c) 24
- d) 8
-
17. What is the first usable IP address in the subnet 192.168.1.0/29?
- a) 192.168.1.1
- b) 192.168.1.2
- c) 192.168.1.3
- d) 192.168.1.5
-
18. Which subnet mask will create 64 subnets from a Class C network?
- a) 255.255.255.128
- b) 255.255.255.192
- c) 255.255.255.240
- d) 255.255.255.248
-
19. What is the largest number of hosts a subnet with a /30 mask can accommodate?
- a) 2
- b) 4
- c) 8
- d) 16
-
20. Which of the following subnets is created by borrowing 2 bits from the host portion of a Class C network?
- a) /30
- b) /28
- c) /27
- d) /26
-
21. How many bits does a Class C IP address have for host addresses?
- a) 8
- b) 16
- c) 24
- d) 32
-
22. What is the network address of the IP 192.168.2.85 with the subnet mask 255.255.255.128?
- a) 192.168.2.0
- b) 192.168.2.64
- c) 192.168.2.128
- d) 192.168.2.192
-
23. What is the broadcast address for the subnet 192.168.1.0/25?
- a) 192.168.1.128
- b) 192.168.1.255
- c) 192.168.1.0
- d) 192.168.1.64
-
24. How many bits are in the host portion of an IP address with a /23 prefix?
- a) 9
- b) 16
- c) 8
- d) 24
-
25. What is the maximum number of subnets available with a /27 subnet mask in a Class C network?
- a) 8
- b) 4
- c) 16
- d) 32
-
26. What does CIDR stand for?
- a) Classful Inter-Domain Routing
- b) Classless Inter-Domain Routing
- c) Centralized Internet Domain Routing
- d) Classless Internet Domain Routing
-
27. What is the range of IP addresses in the subnet 192.168.5.0/26?
- a) 192.168.5.0 - 192.168.5.63
- b) 192.168.5.1 - 192.168.5.64
- c) 192.168.5.0 - 192.168.5.127
- d) 192.168.5.1 - 192.168.5.128
-
28. What is the subnet mask for a network with 512 subnets?
- a) 255.255.255.128
- b) 255.255.255.192
- c) 255.255.255.240
- d) 255.255.255.248
-
29. How many IP addresses are reserved for the network and broadcast addresses in any subnet?
- a) 1
- b) 2
- c) 3
- d) 4
-
30. What is the maximum number of hosts that can be accommodated by a subnet with a /22 prefix?
- a) 1024
- b) 510
- c) 512
- d) 254
Ready to put your knowledge to the test? Take this exam and evaluate your understanding of the subject.
Start Exam