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Microsoft Administering Relational Databases on Microsoft Azure Sample Questions (Q31-Q36):

NEW QUESTION # 31
You have an Azure subscription that contains a SQL Server on Azure Virtual Machines instance named SQLVMI. SQLVM1 hosts a database named DB1.
You need to retrieve query plans from the Query Store on DB1.
What should you do first?

A. From Microsoft SQL Server Management Studio, modify the properties of the SQL Server instance.
B. On SQLVM1, install the SQL Server laaS Agent extension.
C. From Microsoft SQL Server Management Studio, modify the properties of DB1.
D. On SQLVM1, install the Azure Monitor agent for Windows.

Answer: A

NEW QUESTION # 32
You receive numerous alerts from Azure Monitor for an Azure SQL database.
You need to reduce the number of alerts. You must only receive alerts if there is a significant change in usage patterns for an extended period.
Which two actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.

A. Set Threshold Sensitivity to Low
B. Set the Alert logic threshold to Dynamic
C. Set Force Plan to On
D. Set Threshold Sensitivity to High
E. Set the Alert logic threshold to Static

Answer: A,B

Explanation:
B: Dynamic Thresholds continuously learns the data of the metric series and tries to model it using a set of algorithms and methods. It detects patterns in the data such as seasonality (Hourly / Daily / Weekly), and is able to handle noisy metrics (such as machine CPU or memory) as well as metrics with low dispersion (such as availability and error rate).
D: Alert threshold sensitivity is a high-level concept that controls the amount of deviation from metric behavior required to trigger an alert.
Low - The thresholds will be loose with more distance from metric series pattern. An alert rule will only trigger on large deviations, resulting in fewer alerts.
Incorrect Answers:
A: High - The thresholds will be tight and close to the metric series pattern. An alert rule will be triggered on the smallest deviation, resulting in more alerts.
Reference:
https://docs.microsoft.com/en-us/azure/azure-monitor/platform/alerts-dynamic-thresholds

NEW QUESTION # 33
You plan to create a table in an Azure Synapse Analytics dedicated SQL pool.
Data in the table will be retained for five years. Once a year, data that is older than five years will be deleted.
You need to ensure that the data is distributed evenly across partitions. The solutions must minimize the amount of time required to delete old data.
How should you complete the Transact-SQL statement? To answer, drag the appropriate values to the correct targets. Each value may be used once, more than once, or not at all.
You may need to drag the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Reference:
https://docs.microsoft.com/en-us/sql/t-sql/statements/create-table-azure-sql-data-warehouse
https://docs.microsoft.com/en-us/azure/synapse-analytics/sql/best-practices-dedicated-sql-pool

NEW QUESTION # 34
You have an Azure subscription that contains an Azure SQL managed instance, a database named db1, and an Azure web app named Appl. Appl uses db1.
You need to enable Resource Governor for a App1. The solution must meet the following requirements:
App1 must be able to consume all available CPU resources.
App1 must have at least half of the available CPU resources always available.
Which three actions should you perform in sequence? To answer. move the appropriate actions from the list of actions to the answer area and arrange them in the correct order NOTE: More than one order of answer choices is correct. You will receive credit for any of the correct orders you select.

Answer:

Explanation:

1 - Create a resource pool that has the following configurations. MAX_CPU_PERCENT - 100 MIN_CPU_PERCENT - 50
2 - Create a workload group
3 - Create a classifier function in the master database.

NEW QUESTION # 35
You manage an enterprise data warehouse in Azure Synapse Analytics.
Users report slow performance when they run commonly used queries. Users do not report performance changes for infrequently used queries.
You need to monitor resource utilization to determine the source of the performance issues.
Which metric should you monitor?

A. DWU percentage
B. Cache hit percentage
C. Local tempdb percentage
D. Data Warehouse Units (DWU) used

Answer: C

Explanation:
Section: [none]
Explanation:
Tempdb is used to hold intermediate results during query execution. High utilization of the tempdb database can lead to slow query performance.
Note: If you have a query that is consuming a large amount of memory or have received an error message related to allocation of tempdb, it could be due to a very large CREATE TABLE AS SELECT (CTAS) or INSERT SELECT statement running that is failing in the final data movement operation.
Reference:
https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/sql-data-warehouse-manage- monitor#monitor-tempdb

NEW QUESTION # 36
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