A company decides to reduce its IT labor force by hiring an external company to manage various aspects of IT administration, such as software patch management, desktop virtualization, and remote network maintenance. The company will still retain technicians for maintenance and storage administration. Which of the following services has this company implemented?

A. Outsourcing

B. Virtualization

C. PaaS

D. IaaS

The answer is "Option A".

Explanation:

In information technology, the cost-cutting is the procedure of recruiting assets for other security processes outside an organization. The Company frequently relocate the space of the information. whereas contracting privately, it is easier than purchasing and maintaining their own devices and services, and certain choices were incorrect, that can be described as follows:

In option B, It is used to create a virtual resource of the device that is used in operating system, that's why it is wrong. Option C and Option D both is wrong because it is used in cloud computing.