01
True or false
1 point
If two IPv4 subnets have the same starting address, the one with the longer CIDR prefix contains fewer total addresses.
Free Practice Quiz Question List
2 Subnet and Host Range Calculations Online Quiz Questions
Use this free practice quiz with 20 questions to review 2 Subnet and Host Range Calculations, test your knowledge, and prepare for your next test or exam.
20 questions
02
Choose one
1 point
What is the block size in the last octet of a /27 subnet?
- A
16 addresses
- B
32 addresses
- C
64 addresses
- D
128 addresses
03
Fill in the blank
1 point
How many total IPv4 addresses are in a /28 subnet? Enter the count:
04
Written response
1 point
For an ordinary /29 subnet, how many usable host addresses are there?
05
True or false
1 point
Under modern subnetting practice, the first and last definable subnets created by splitting a block can be used.
- A
True
- B
False
06
Choose one
1 point
Which subnet mask corresponds to the CIDR prefix /20?
- A
255.255.255.0
- B
255.255.224.0
- C
255.255.240.0
- D
255.255.248.0
07
Fill in the blank
1 point
Complete the subnet membership rule: address AND mask = .
08
Choose one
1 point
What is the network address of the /26 subnet containing 192.168.1.130?
- A
192.168.1.0
- B
192.168.1.64
- C
192.168.1.128
- D
192.168.1.192
09
Written response
1 point
What is the network address for 172.16.35.123/20?
10
Choose all
1 point
A /24 block is split into /27 subnets. Select all correct statements.
- A
The split creates 8 subnets.
- B
Each resulting subnet has 32 total addresses.
- C
Each resulting subnet typically has 30 usable host addresses.
- D
The split borrows 3 bits.
- E
Each resulting subnet has 64 total addresses.
- F
The split creates 4 subnets.
11
Choose all
1 point
Select all accurate statements about the special IPv4 prefixes /31 and /32.
- A
A /31 can be used on a point-to-point link with both addresses treated as host addresses.
- B
A /32 identifies a subnet with two addresses.
- C
A /32 identifies one address and is commonly used as a host route.
- D
A /31 always excludes one address as the network and one as the broadcast address.
12
Choose one
1 point
Which address belongs to the subnet 172.16.32.0/20? Treat the network and broadcast addresses as within the subnet when checking membership.
- A
172.16.47.255
- B
172.16.48.0
- C
172.16.31.255
- D
172.16.48.1
13
Written response
1 point
What is the broadcast address for 10.2.3.201/26?
14
Open ended
1 point
For 10.0.0.77/27, determine the network address, broadcast address, and usable host range. Briefly explain how the prefix identifies the block.
15
Choose one
1 point
How many total IPv4 addresses are in a /28 prefix?
- A
8
- B
14
- C
16
- D
32
16
True or false
1 point
On a point-to-point link using a /31 prefix, both addresses are interpreted as host addresses rather than excluding one as the network address and one as the broadcast address.
- A
True
- B
False
17
Choose one
1 point
Which subnet mask corresponds to the IPv4 prefix /20?
- A
255.255.224.0
- B
255.255.240.0
- C
255.255.248.0
- D
255.255.255.0
18
Written response
1 point
For an ordinary IPv4 /29 subnet, how many usable host addresses are there?
19
Choose one
1 point
A /24 network is divided into /27 subnets. How many subnets does this create?
- A
4
- B
6
- C
8
- D
16
20
Choose one
1 point
What is the network address of 10.4.7.201/26?
- A
10.4.7.128
- B
10.4.7.160
- C
10.4.7.192
- D
10.4.7.201
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