Answer:
Option D i.e., ​vertical application.
Explanation:
A vertical application is called a software package formed to manage the data necessary for a particular form of corporation.
A vertical application is an application that assists a particular firm's method as well as aimed a lower amount of persons within a corporation who have particular skill pairs and work duties.
- Option A is incorrect about the following scenario because It's the method of recruiting the network operator to establish or improve the section of commercial-use apps.
- Option B is incorrect about the following scenario because It is an application that an entity has built for its inner usage, which is being further popular.
- Option B is incorrect about the following scenario because it is the opposite of the vertical application.
