T level

 Types of data numeric data - representing using any number type text data - represented using text media data - represented using video or audio geospatial data - represents a location/area temporal data - represents a moment in time logical data (Boolean data) - has two choices A or B Sources of data Internal data - sales, marketing, financial, employee, customer, usage (website traffic, etc). data that is sourced internally and should be kept within the org. External data - public data government data, supplier, competitor, sector data. - data that can be found by anyone, companies still need this data Methods of Data storage - on premises Internal databases - with databases and relational databases Hard drives - HDDs, SSDs File server - (file structures) Network attached storage (NAS) - a storage device that is attached to a network and acts as a central point for storage, management and access of files Storage area network (SAN) - a network of interconnected storage devices Me...

  Types of Hyper-V Virtual Switches Using Virtual Switch Manager, you can create three types of Hyper-V virtual switches: External  switches are bound to the physical network cards located in the host. They provide VMs located on them access to the physical network to which the Hyper-V host is connected. The External switch can also share management traffic and VM traffic on the same switch, which is one of the options that can be set when creating the external switch. Internal  switches are not bound to a physical network card. They only allow traffic between VMs and the host itself. However, in 2016, new functionality was added to allow external connectivity via NAT from the Hyper-V host: the NAT forwarding internal switch. Private  switches are only used for virtual machines to communicate with each other. This type can be useful for specific types of traffic such as a cluster network only if you are using one host (as it can’t be used between hosts).