During this lockdown period, people are usually working from home which means they all are contributing to work by staying at home. So, if someone wants to work on something online, such as on a particular private or public server of a company, depending on the scenario, will need a network route to that server.
Meaning, they first need access to that particular server either via a public network or using VPN. These things have their own set of complexities. Therefore, we will discuss a few aspects of network access & their drawbacks:
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