AZ-301 Case Studies & Practical Application 3

Question 1

A startup needs to build a serverless API that handles variable traffic, with each function executing up to 10 minutes. Which Azure Function plan is required?

Accepted Answer

Premium plan

Answer

The Premium plan supports execution durations up to 60 minutes, whereas the Consumption plan caps at 10 minutes only if configured, but Premium also provides VNET integration and no cold-start penalties.

Question 2

An architect must design a solution where multiple microservices communicate asynchronously, but each message must be processed exactly once even if the consumer fails midway. Which service meets this requirement?

Accepted Answer

Azure Service Bus queues with peek-lock mode

Answer

Service Bus peek-lock holds a message invisible to other consumers until explicitly completed or abandoned, enabling exactly-once processing semantics.

Question 3

A law firm stores sensitive documents in Azure Blob Storage. Regulatory requirements mandate that documents cannot be deleted or modified for 7 years. Which feature enforces this?

Accepted Answer

Azure Storage immutability policies with time-based retention locks

Answer

Immutable storage with time-based retention and locked policies prevents blob deletion or modification for the defined retention period, satisfying WORM compliance.

Question 4

A company wants to allow developers to deploy resources to Azure but prevent them from creating resources in regions outside of East US and West US. What is the most efficient enforcement mechanism?

Accepted Answer

Apply an Azure Policy with an 'allowed locations' effect at the subscription or management group level

Answer

Azure Policy with the 'allowed locations' built-in definition enforces region restrictions at scale across the subscription or management group.

Question 5

An organization needs to federate identities from an on-premises Active Directory to Azure AD so users can sign in to Azure portal with their corporate credentials without password sync. Which solution is correct?

Accepted Answer

Azure AD Connect with AD FS federation

Answer

AD FS federation with Azure AD allows authentication to remain on-premises without any password hash or credential data leaving the corporate network.

AZ-301 - Microsoft Azure Solutions Architect Expert Practice Test

AZ-301 - Microsoft Azure Solutions Architect Expert Practice Test

AZ-301 Case Studies & Practical Application 3