01
True or false
1 point
For ordinary IPv4 subnets with prefixes from /0 through /30, the typical usable host count is the total address count minus two, but this rule does not apply in the same way to /31 and /32 prefixes.
Free Practice Quiz Question List
3 IPv4 Subnetting Practice Online Quiz Questions
Use this free practice quiz with 20 questions to review 3 IPv4 Subnetting Practice, test your knowledge, and prepare for your next test or exam.
20 questions
02
Choose one
1 point
Which subnet mask corresponds to the IPv4 prefix /21?
- A
255.255.240.0
- B
255.255.248.0
- C
255.255.252.0
- D
255.255.255.0
03
Fill in the blank
1 point
A /28 subnet contains total addresses and typically provides usable host addresses.
04
Choose all
1 point
Divide 10.6.4.0/24 into /26 subnets. Select all correct statements about the resulting subnets.
- A
There are four /26 subnets.
- B
Each /26 subnet contains 64 total addresses.
- C
The third subnet begins at 10.6.4.128.
- D
The last subnet begins at 10.6.4.192.
- E
The first subnet begins at 10.6.4.64.
05
Written response
1 point
How many typical usable host addresses are provided by an IPv4 /23 subnet?
06
True or false
1 point
In an IPv4 subnet, the network address has all host bits set to 0, while the broadcast address has all host bits set to 1.
- A
True
- B
False
07
Choose all
1 point
For 192.168.9.173/26, select all correct statements about its subnet.
- A
The subnet mask is 255.255.255.192.
- B
The network address is 192.168.9.128.
- C
The broadcast address is 192.168.9.191.
- D
The subnet has 62 typical usable host addresses.
- E
The network address is 192.168.9.64.
08
Choose one
1 point
What is the network address for 198.51.100.77/25?
- A
198.51.100.77
- B
198.51.100.0
- C
198.51.100.128
- D
198.51.100.255
09
Fill in the blank
1 point
For 10.44.91.17/20, the network address is and the broadcast address is .
10
Written response
1 point
What is the largest IPv4 prefix length (the most specific subnet) that supports at least 500 typical usable host addresses?
11
Choose one
1 point
How many typical usable host addresses does a conventional IPv4 /30 subnet provide?
- A
0
- B
1
- C
2
- D
4
12
Choose one
1 point
What is the network address for 10.20.13.99/22?
- A
10.20.12.0
- B
10.20.13.0
- C
10.20.15.255
- D
10.20.16.0
13
Open ended
1 point
Allocate subnets from 192.168.40.0/24 for networks requiring 70 and 25 typical usable host addresses. Assign the larger subnet first, then place the second subnet at the next valid boundary. Give each subnet's prefix, network address, usable range, and broadcast address.
14
Choose one
1 point
Which subnet mask corresponds to the IPv4 prefix /27?
- A
255.255.255.192
- B
255.255.255.240
- C
255.255.255.224
- D
255.255.255.128
15
True or false
1 point
A /31 prefix can be used for a point-to-point link with two addresses, even though the usual usable-host calculation subtracts two addresses.
- A
True
- B
False
16
Choose one
1 point
What is the network address for 192.168.10.77/26?
- A
192.168.10.0
- B
192.168.10.64
- C
192.168.10.77
- D
192.168.10.128
17
Choose one
1 point
What is the broadcast address for 10.23.77.9/20?
- A
10.23.77.255
- B
10.23.79.0
- C
10.23.80.255
- D
10.23.79.255
18
Written response
1 point
What is the network address for 172.16.35.200/21?
19
Choose one
1 point
For 192.168.5.130/25, which is the usable host range?
- A
192.168.5.1–192.168.5.126
- B
192.168.5.128–192.168.5.255
- C
192.168.5.129–192.168.5.254
- D
192.168.5.130–192.168.5.255
20
Written response
1 point
What is the largest IPv4 prefix length (the most specific subnet) that supports at least 200 typical usable host addresses?
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