What happens when you query a materialized view in Azure Synapse Analytics?
AQuery uses pre-computed data.
BReal-time data is always used.
CPerformance is significantly slower.
DMaterialized views cannot be updated.
Explanation
Materialized views store pre-computed data for faster querying, while the others are incorrect statements.
Q52
Which Azure service is primarily used for data orchestration?
AAzure Data Factory
BAzure Storage
CAzure Synapse
DAzure Databricks
Explanation
Azure Data Factory specializes in data orchestration, while others serve different purposes.
Q53
A company needs to analyze real-time streaming data. Which service should they use?
AAzure SQL Database
BAzure Stream Analytics
CAzure Blob Storage
DAzure Data Lake
Explanation
Azure Stream Analytics is designed for real-time data analysis, unlike the others.
Q54
What happens when you set a data retention period on Azure Blob Storage?
AData is deleted automatically after retention.
BData is archived to cheaper storage.
CData becomes read-only after setting.
DNo impact on data accessibility.
Explanation
Setting a data retention period ensures automatic deletion after the specified duration.
Q55
Which service helps visualize data relationships in Azure Data Factory?
AMapping Data Flow
BData Lake Storage
CAzure Synapse Analytics
DData Factory Pipelines
Explanation
Mapping Data Flow specifically helps to visually design data transformations; the other options focus on storage or orchestration without visualization.
Q56
A company needs to automate their Azure storage lifecycle. What should they configure?
ABlob Lifecycle Management
BAzure Backup Policies
CService Fabric
DBlob Metadata
Explanation
Blob Lifecycle Management automates storage policies, while the others do not manage lifecycle specifically.
Q57
What happens when an Azure Data Factory pipeline fails during execution?
AAll dependent pipelines restart
BOnly failed activities are retried
CThe pipeline exits without error
DThe entire Data Factory stops running
Explanation
Only the failed activities can be retried in a pipeline, while the other responses are incorrect in the context of Azure Data Factory's error handling.
Q58
Which service is primarily used for data warehousing in Azure?
AAzure Synapse Analytics
BAzure Blob Storage
CAzure Functions
DAzure Cosmos DB
Explanation
Azure Synapse Analytics is designed for data warehousing, while others serve different purposes.
Q59
You are configuring an Azure Data Factory pipeline. A task fails due to a transient network error. What is the best approach to handle this?
ARetry the task automatically
BImmediately notify the admin
CStop the entire pipeline
DLog the error and ignore it
Explanation
Automatically retrying helps manage transient errors efficiently, while other options may not address the issue effectively.
Q60
A company needs to ensure that sensitive data in Azure SQL Database is encrypted. What must be enabled?
AEncryption at Rest
BAlways Encrypted
CNetwork Security Group
DAccess Control Lists
Explanation
Always Encrypted provides encryption for sensitive data, while the others serve different security functionalities.