Cost Management Benefit for Accounting Application Usage Pattern

C

Elasticity in this case is the ability to provide additional compute resource when needed and reduce the compute resource when not needed to reduce costs.

Autoscaling is an example of elasticity.

Elastic computing is the ability to quickly expand or decrease computer processing, memory and storage resources to meet changing demands without worrying about capacity planning and engineering for peak usage. Typically controlled by system monitoring tools, elastic computing matches the amount of resources allocated to the amount of resources actually needed without disrupting operations. With cloud elasticity, a company avoids paying for unused capacity or idle resources and doesn't have to worry about investing in the purchase or maintenance of additional resources and equipment.

The recommended solution to minimize the impact on users after the planned migration of all network resources to Azure and decommissioning the on-premises data center is to sync all the Active Directory user accounts to Azure Active Directory (Azure AD).

Explanation:

Option A: Implement Azure Multi-Factor Authentication (MFA) While Azure Multi-Factor Authentication (MFA) provides an additional layer of security to user accounts, it does not minimize the impact on users after the planned migration. Users will still need to access their accounts and resources in Azure and will require authentication, which can cause disruption during the transition.

Option B: Sync all the Active Directory user accounts to Azure Active Directory (Azure AD) Syncing all Active Directory user accounts to Azure AD is the recommended solution as it allows users to access their accounts and resources in Azure with their existing credentials. This solution provides a seamless transition for users, minimizing any potential impact or disruption. The Azure AD Connect tool can be used to sync on-premises Active Directory with Azure AD.

Option C: Instruct all users to change their password Instructing all users to change their password is not an effective solution to minimize the impact on users after the planned migration. Users may struggle to remember their new passwords and this can cause disruption to their workflow.

Option D: Create a guest user account in Azure Active Directory (Azure AD) for each user Creating a guest user account in Azure AD for each user is not an effective solution to minimize the impact on users after the planned migration. Guest accounts are intended for external users who require access to a limited set of resources in Azure AD. It is not suitable for migrating user accounts and their associated resources to Azure.

The benefit of Azure Cloud Services that supports cost management for the given usage pattern of App1 is C. elasticity.

Elasticity in cloud computing refers to the ability to dynamically scale resources up or down based on demand. In this scenario, App1 has low usage during the first three weeks of each month, and very high usage during the last week of each month. Without elasticity, the company would need to provision enough resources to handle the peak usage during the last week of each month, which would result in unused resources and unnecessary costs for the first three weeks.

With elasticity, the company can provision the minimum necessary resources during the low-usage weeks, and automatically scale up resources during the high-usage week to meet demand. This approach can help the company optimize its resource usage and reduce costs while still providing the necessary capacity to handle peak demand.

Therefore, C. elasticity is the correct answer as it allows the company to manage costs effectively by provisioning the appropriate amount of resources based on demand, without incurring unnecessary costs.