CCNA (200-301) Subnetting
Actual ExAM Testbank
Questions with solutions
manual 2026
(Solutions Provided at End of Document)
Question #1
What is the range of assignable IP addresses for a subnet containing an IP
address of 172.16.1.10 /19?
a. 172.16.0.1 – 172.16.31.254
b. 172.16.0.1 – 172.16.63.254
c. 172.16.0.0 – 172.16.31.255
d. 172.16.0.1 – 172.16.31.255
e. 172.16.0.0 – 172.16.63.254
,Question #2
You are assigning IP addresses to hosts in the 192.168.4.0 /26 subnet. Which
two of the following IP addresses are assignable IP addresses that reside in that
subnet?
a. 192.168.4.0
b. 192.168.4.63
c. 192.168.4.62
d. 192.168.4.32
e. 192.168.4.64
Question #3
A host in your network has been assigned an IP address of 192.168.181.182 /25.
What is the subnet to which the host belongs?
a. 192.168.181.128 /25
b. 192.168.181.0 /25
c. 192.168.181.176 /25
d. 192.168.181.192 /25
e. 192.168.181.160 /25
Question #4
You are working with a Class B network with the private IP address of 172.16.0.0
/16. You need to maximize the number of broadcast domains, where each
broadcast domain can accommodate 1000 hosts. What subnet mask should you
use?
a. /22
b. /23
c. /24
d. /25
e. /26
Question #5
What is the directed broadcast address of a subnet containing an IP address of
172.16.1.10 /19?
a. 172.16.15.255
b. 172.16.31.255
c. 172.16.255.255
, d. 172.16.95.255
e. 172.16.0.255
Question #6
A customer is using a Class C network of 192.168.10.0 subnetted with a 28-bit
subnet mask. How many subnets can be created by using this subnet mask?
a. 32
b. 16
c. 30
d. 8
e. 14
Question #7
Given a subnet of 172.16.56.0 /21, identify which of the following IP addresses
belong to this subnet. (Select 2.)
a. 172.16.54.129
b. 172.16.62.255
c. 172.16.61.0
d. 172.16.65.255
e. 172.16.64.1
Question #8
What is the subnet address of the IP address 192.168.5.55 with a subnet mask
of 255.255.255.224? a. 192.168.5.0 /27
b. 192.168.5.16 /27
c. 192.168.5.32 /27
d. 192.168.5.48 /27
e. 192.168.5.64 /27
Question #9
You are working for a company that will be using the 192.168.1.0 /24 private IP
address space for IP addressing inside their organization.
They have multiple geographical locations and want to carve up the 192.168.1.0
/24 address space into subnets. Their largest subnet will need 13 hosts.
What subnet mask should you use to accommodate at least 13 hosts per subnet,
while maximizing the number of subnets that can be created?
Actual ExAM Testbank
Questions with solutions
manual 2026
(Solutions Provided at End of Document)
Question #1
What is the range of assignable IP addresses for a subnet containing an IP
address of 172.16.1.10 /19?
a. 172.16.0.1 – 172.16.31.254
b. 172.16.0.1 – 172.16.63.254
c. 172.16.0.0 – 172.16.31.255
d. 172.16.0.1 – 172.16.31.255
e. 172.16.0.0 – 172.16.63.254
,Question #2
You are assigning IP addresses to hosts in the 192.168.4.0 /26 subnet. Which
two of the following IP addresses are assignable IP addresses that reside in that
subnet?
a. 192.168.4.0
b. 192.168.4.63
c. 192.168.4.62
d. 192.168.4.32
e. 192.168.4.64
Question #3
A host in your network has been assigned an IP address of 192.168.181.182 /25.
What is the subnet to which the host belongs?
a. 192.168.181.128 /25
b. 192.168.181.0 /25
c. 192.168.181.176 /25
d. 192.168.181.192 /25
e. 192.168.181.160 /25
Question #4
You are working with a Class B network with the private IP address of 172.16.0.0
/16. You need to maximize the number of broadcast domains, where each
broadcast domain can accommodate 1000 hosts. What subnet mask should you
use?
a. /22
b. /23
c. /24
d. /25
e. /26
Question #5
What is the directed broadcast address of a subnet containing an IP address of
172.16.1.10 /19?
a. 172.16.15.255
b. 172.16.31.255
c. 172.16.255.255
, d. 172.16.95.255
e. 172.16.0.255
Question #6
A customer is using a Class C network of 192.168.10.0 subnetted with a 28-bit
subnet mask. How many subnets can be created by using this subnet mask?
a. 32
b. 16
c. 30
d. 8
e. 14
Question #7
Given a subnet of 172.16.56.0 /21, identify which of the following IP addresses
belong to this subnet. (Select 2.)
a. 172.16.54.129
b. 172.16.62.255
c. 172.16.61.0
d. 172.16.65.255
e. 172.16.64.1
Question #8
What is the subnet address of the IP address 192.168.5.55 with a subnet mask
of 255.255.255.224? a. 192.168.5.0 /27
b. 192.168.5.16 /27
c. 192.168.5.32 /27
d. 192.168.5.48 /27
e. 192.168.5.64 /27
Question #9
You are working for a company that will be using the 192.168.1.0 /24 private IP
address space for IP addressing inside their organization.
They have multiple geographical locations and want to carve up the 192.168.1.0
/24 address space into subnets. Their largest subnet will need 13 hosts.
What subnet mask should you use to accommodate at least 13 hosts per subnet,
while maximizing the number of subnets that can be created?
