INTERVIEW QUESTIONS NETWORKING COMPUTER NETWORKS DETAILS

Question: What is subnetting?Why is it used?

Answer: A portion of a network that shares a common address component. On TCP/IP networks, subnets are defined as all devices whose IP Address have the same prefix. For example, all devices with IP addresses that start with 100.100.100. would be part of the same subnet. Dividing a network into subnets is useful for both security and performance reasons. IP networks are divided using a subnet mask

A portion of a network that shares a common address component. On TCP/IP networks, subnets are defined as all devices whose IP Address have the same prefix. For example, all devices with IP addresses that start with 100.100.100. would be part of the same subnet. Dividing a network into subnets is useful for both security and performance reasons. IP networks are divided using a subnet mask
Source: CoolInterview.com

Supernetting is dividing the Subnet into different subnets each one of them has its particular required needs , such as Number of Networks and Number of Hosts Source: CoolInterview.com

A big network can be sub divided a small network this types of IP settings are called subneting.

192.168.10.0/30
n/w id 192.168.10.0
1st ip 192.168.10.1
last ip 192.168.10.2
Broadcast ad 192.168.3

Subnet Mask 255.255.255.252 Source: CoolInterview.com

A portion of a network that shares a common address component. On TCP/IP networks, subnets are defined as all devices whose IP Address have the same prefix. Source: CoolInterview.com

Subnetting is nothing but dividing a large network into small networks is known as SUBNETTING.

Generally We use this because
1. To avoid the network traffic.
2. To avoid the wasting of assigning IP Addresses. Source: CoolInterview.com

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