The objective of digital marketing is the online advertisement of products and services. We can therefore conclude that it is a technical form of marketing that belongs under IT. It is the best field for those who are looking for great career opportunities.
If you are interested in learning this technology then I recommend you to enroll in digital marketing certification from Intellipaat and become a certified digital marketing specialist. This program helps you to master all the required skills for the industry.
Also, if you wish to get started right away, you can watch the following video on Software Testing Tutorial to do so - https://intellipaat.com/blog/digital-marketing-tutorial/