How many security accounts per client is provided by Microsoft?

The correct answer is A. 1.

Microsoft provides one security account per client. This account is used to manage the client’s access to Microsoft services and resources. The account is also used to track the client’s usage of Microsoft services.

Option B is incorrect because Microsoft does not provide three security accounts per client.

Option C is incorrect because Microsoft does not provide five security accounts per client.

Option D is incorrect because Microsoft does not provide seven security accounts per client.