Before installing
The server requirements of a WordPress network are the same as those needed to power an individual WordPress site. It is important to be aware that the additional sites created by the network will increase the amount of bandwidth used as well as the size of the database. If the network is larger than a few sites, contact the hosting company to ensure that your hosting package will be able to handle the extra load.
When creating a network, there are two types of site URLs from which we can choose:
Sub-domain URLs are domain based and create URLs such as: http://samplestudent.example.org
Sub-directory URLs networks are path based and create URLs such as: http://example.org/samplestudent
In order to use the sub-domain option, we must make changes at the server or hosting level and update the DNS configuration. For this reason, I recommend using the sub-directory option. The only requirement of the sub-directory network is that our primary site is already using permalinks...