Question: In IP addressing, what does the subnet mask 255.255.255.0 indicate?
Options:
Class A network
Class B network
Class C network
Class D network
Correct Answer: Class C network
Solution:
A subnet mask of 255.255.255.0 indicates a Class C network, allowing for 256 IP addresses in total.
In IP addressing, what does the subnet mask 255.255.255.0 indicate?
Practice Questions
Q1
In IP addressing, what does the subnet mask 255.255.255.0 indicate?
Class A network
Class B network
Class C network
Class D network
Questions & Step-by-Step Solutions
In IP addressing, what does the subnet mask 255.255.255.0 indicate?
Step 1: Understand what an IP address is. It is a unique number assigned to each device on a network.
Step 2: Learn about subnet masks. A subnet mask helps to divide the IP address into two parts: the network part and the host part.
Step 3: Recognize that the subnet mask 255.255.255.0 is written in decimal format. It can also be represented in binary.
Step 4: Convert 255.255.255.0 to binary. It becomes 11111111.11111111.11111111.00000000.
Step 5: Count the number of '1's in the binary subnet mask. There are 24 '1's.
Step 6: Understand that a subnet mask of 255.255.255.0 indicates a Class C network, which typically has 24 bits for the network and 8 bits for the host.
Step 7: Calculate the total number of IP addresses. With 8 bits for hosts, you can have 2^8 = 256 addresses.
Step 8: Realize that out of these 256 addresses, 2 are reserved (one for the network and one for the broadcast), leaving 254 usable IP addresses.
Subnet Mask β A subnet mask defines the network and host portions of an IP address, determining how many addresses can be used within a subnet.
Classful Addressing β Class C networks are defined by a subnet mask of 255.255.255.0, which allows for a specific number of hosts.
IP Addressing β Understanding the structure of IP addresses and how subnet masks affect network segmentation.
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