WorksheetsSubnetting
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
An administrator is given the IP address `195.16.8.100`. According to the principles of classful addressing, to which IP class does this address belong?
a)
Class C
b)
Class A
c)
Class B
d)
Class D
2.
What was a primary motivation for the transition from classful addressing to classless subnetting?
a)
To remove the need for subnet masks in network configuration.
b)
To reduce the inefficient allocation and waste of IP addresses.
c)
To increase the total number of available IPv4 addresses.
d)
To simplify the routing process for core internet routers.
3.
A network is subnetted with the mask `255.255.255.240`. How many usable host IP addresses are available per subnet?
a)
12
b)
16
c)
14
d)
30
4.
An administrator takes a standard Class C network (`192.168.10.0/24`) and applies a new subnet mask of `/26`. How many new subnets are created?
a)
4
b)
8
c)
2
d)
6
5.
You need to design a subnet that can support a minimum of 50 host devices. Which of the following CIDR notations provides the required number of hosts with the least amount of waste?
a)
/27
b)
/25
c)
/26
d)
/28
6.
What is the network address for the IP address `192.168.1.145` which is on a network using the subnet mask `/26`?
a)
192.168.1.192
b)
192.168.1.128
c)
192.168.1.64
d)
192.168.1.0
7.
Given the IP address `192.168.1.85/26`, what is the broadcast address for its subnet?
a)
192.168.1.127
b)
192.168.1.255
c)
192.168.1.63
d)
192.168.1.95
8.
What is the last usable host IP address in the subnet `192.168.1.192/26`?
a)
192.168.1.254
b)
192.168.1.193
c)
192.168.1.255
d)
192.168.1.253
9.
According to legacy classful networking standards, what is the default subnet mask for a Class B network?
a)
255.0.0.0
b)
255.255.255.0
c)
255.255.0.0
d)
255.255.255.255
10.
In the subnet mask `255.255.255.192`, what does the value `192` represent in binary?
a)
10101010
b)
00111111
c)
11000000
d)
11110000
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