Abstract: A data protection method and associated apparatus are provided. The data protection method may include: running a data protection application on a host server system, the data protection application being configured to protect a data set stored in a tenant server system, wherein the host server system and the tenant server system are administered by different entities; receiving a plurality of versions of the data set from the tenant server system; and issuing at least one version request to get at least one specific version of the data set from the tenant server system, wherein the at least one specific version and the plurality of versions of the data set form a sequential version order of the data set.

Abstract: Disclosed is a method of network connection in a wireless local area network. The wireless local area network comprises a client, an access point, and an authentication database coupled to the access point. The authentication database comprises a plurality of collections of data entries, wherein each of the collections of data entries comprises a plurality of data entries. The network connection method comprises: passing messages containing queries relating to data entries in the authentication database and receiving responsive answer tags.