Which service provides serverless SQL capabilities in Azure?
AAzure SQL Database Serverless
BAzure Synapse Analytics
CAzure SQL Managed Instance
DAzure Data Lake Storage
Explanation
Azure SQL Database Serverless automatically scales resources based on demand, while others do not provide serverless options.
Q32
A company needs to securely access Azure SQL Database from an on-premises network. What should they implement?
APoint-to-Site VPN
BPublic IP Whitelisting
COn-Premises Data Gateway
DExpressRoute
Explanation
ExpressRoute provides a private, high-speed connection to Azure, while others may not ensure security or performance.
Q33
What happens when a database in Azure SQL Database is set to 'Read Scale-Out'?
AWrite operations are disabled
BPerformance improves for read operations
CData is replicated automatically
DIt incurs extra licensing fees
Explanation
Read Scale-Out allows for improved performance on read-only queries by redirecting them to readable secondaries, while the other options either don’t apply or are incorrect.
Q34
Which service provides built-in analytics for SQL databases?
AAzure SQL Analytics
BAzure Monitor
CAzure Data Factory
DAzure Storage
Explanation
Azure SQL Analytics specifically analyzes SQL databases, while the others focus on broader or different needs.
Q35
A company needs to minimize downtime during upgrades. What should they configure?
AActive Geo-Replication
BDatabase Sharding
CSQL Database Auditing
DElastic Pools
Explanation
Active Geo-Replication allows for failover with minimal downtime, while the others do not directly address downtime during upgrades.
Q36
You are configuring a SQL Managed Instance. What happens if you set more computed columns than the limit?
ANo error, columns ignored
BError; not all columns created
CColumns created but non-functional
DInstance goes into read-only mode
Explanation
If you exceed the limit, an error occurs, preventing creation rather than ignoring or creating non-functional columns.
Q37
A company needs to enable geo-replication for its Azure SQL Database. Which service should they use?
AAzure SQL Database
BAzure Storage
CAzure Functions
DAzure Blob Storage
Explanation
Azure SQL Database supports geo-replication natively; the others do not.
Q38
What happens when you perform a 'ROLLBACK' command in a transaction block?
ACommit all changes made
BUndo all changes made
CSave the transaction forever
DPermanently delete the database
Explanation
ROLLBACK undoes all changes made during the transaction; the others describe incorrect outcomes.
Q39
You are configuring a Dynamic Data Masking strategy in Azure SQL. Which of the following is a valid masking function?
ADefault
BNullify
CMaskD
DPartial
Explanation
'Default' is a valid masking function; others are not recognized masking functions.
Q40
Which service is best for low-latency responses in Azure SQL?
AAzure SQL Database
BAzure Blob Storage
CAzure Data Lake Storage
DAzure App Service
Explanation
Azure SQL Database provides low-latency SQL responses, while other options serve different purposes.