It depends on the protocol used. TLS is used for application level end-to-end encryption so it is somewhere at levels 5..7 (the distinction between these levels is blurry). Protocols like IPSec or OpenVPN instead work at the level of IP protocol, i.e. network layer which is layer 3.
Financial Data Management. The accounting structure of a company is an essential component to business operations. One of the primary roles of an accountant usually involves the collection and maintenance of financial data, as it relates to a company or firm.he accountant usually has a variety of administrative roles within a company's operations. In a smaller business, an accountant's role may consist of primarily financial data collection, entry and report generation.
There are two types of financial leadership roles in a business - controller and CFO. 1  They are not the same and neither of these is the same role as accountant. Some companies combine the two but the roles are different and if your business has any significant size to it and is planning to grow, you need both.