Which of the following forms is used specifically to identify the entity created when encapsulating data inside data link layer headers and trailers

A relational database model uses ……….. to contain and organize information.

Collecting personal information and effectively posting as another individual is a crime known as ……..

The concept of ‘zero administration’ is associated with

………is a special field value, distinct from 0, blank or any other value, that indicates that the value for the field is missing or otherwise unknown.

If there are no functional dependencies between two (or more) non-primary key attributes, this describes …………