Final Answer:
In order to use cloud computing effectively, it is necessary for a large company to have a robust Internet connection. Option A is the answer.
Step-by-step explanation:
Cloud computing relies heavily on internet connectivity. A robust Internet connection is crucial for a large company to access and utilize cloud services seamlessly. Cloud computing involves the use of computing resources, storage, and applications that are hosted on remote servers and accessed over the internet. Therefore, a reliable and high-speed Internet connection ensures efficient communication between the company's internal systems and the cloud service providers.
While the other options (B, C, D, and E) may be relevant for various computing needs, they are not specifically essential for effective use of cloud computing. The primary requirement for leveraging cloud services is a strong and stable Internet connection.
Option A is the answer.