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Download Administering Relational Databases on Microsoft Azure Exam Dumps
NEW QUESTION 41
You have an Azure SQL database named DB1 that contains two tables named Table1 and Table2. Both tables contain a column named a Column1. Column1 is used for joins by an application named App1.
You need to protect the contents of Column1 at rest, in transit, and in use.
How should you protect the contents of Column1? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/security/encryption/always-encrypted-database-engine
NEW QUESTION 42
You have an Azure SQL database named DB1.
You need to ensure that DB1 will support automatic failover without data loss if a datacenter fails. The solution
must minimize costs.
Which deployment option and pricing tier should you configure?
- A. Azure SQL Database Premium
- B. Azure SQL Database Standard
- C. Azure SQL Database serverless
- D. Azure SQL Database managed instance Business Critical
Answer: A
Explanation:
Section: [none]
Explanation:
By default, the cluster of nodes for the premium availability model is created in the same datacenter. With the
introduction of Azure Availability Zones, SQL Database can place different replicas of the Business Critical
database to different availability zones in the same region. To eliminate a single point of failure, the control ring
is also duplicated across multiple zones as three gateway rings (GW). The routing to a specific gateway ring is
controlled by Azure Traffic Manager (ATM). Because the zone redundant configuration in the Premium or
Business Critical service tiers does not create additional database redundancy, you can enable it at no extra
cost. By selecting a zone redundant configuration, you can make your Premium or Business Critical databases
resilient to a much larger set of failures, including catastrophic datacenter outages, without any changes to the
application logic. You can also convert any existing Premium or Business Critical databases or pools to the
zone redundant configuration.
Incorrect Answers:
C. This feature is not available in SQL Managed Instance.
Reference:
https://docs.microsoft.com/en-us/azure/azure-sql/database/high-availability-sla
NEW QUESTION 43
You have SQL Server on an Azure virtual machine that contains a database named DB1.
You have an application that queries DB1 to generate a sales report.
You need to see the parameter values from the last time the query was executed.
Which two actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
- A. Enable Last_Query_Plan_Statsin DB1
- B. Enable Lightweight_Query_Profilingin DB1
- C. Enable Lightweight_Query_Profilingin the master database
- D. Enable PARAMETER_SNIFFINGin DB1
- E. Enable Last_Query_Plan_Statsin the master database
Answer: A,E
Explanation:
Section: [none]
Explanation:
Last_Query_Plan_Stats allows you to enable or disable collection of the last query plan statistics (equivalent to an actual execution plan) in sys.dm_exec_query_plan_stats.
Lightweight profiling can be disabled at the database level using the LIGHTWEIGHT_QUERY_PROFILING database scoped configuration: ALTER DATABASE SCOPED CONFIGURATION SET LIGHTWEIGHT_QUERY_PROFILING = OFF;.
Incorrect Answers:
E: Parameter sensitivity, also known as "parameter sniffing", refers to a process whereby SQL Server "sniffs" the current parameter values during compilation or recompilation, and passes it along to the Query Optimizer so that they can be used to generate potentially more efficient query execution plans.
Parameter values are sniffed during compilation or recompilation for the following types of batches:
* Stored procedures
* Queries submitted via sp_executesql
* Prepared queries
Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/performance/query-profiling-infrastructure
NEW QUESTION 44
......
