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Microsoft DP-300 Exam Syllabus Topics:

Topic	Details
Plan and Implement Data Platform Resources (15-20%)
Deploy resources by using manual methods	-deploy database offerings on selected platforms -configure customized deployment templates -apply patches and updates for hybrid and IaaS deployment
Recommend an appropriate database offering based on specific requirements	-evaluate requirements for the deployment -evaluate the functional benefits/impact of possible database offerings -evaluate the scalability of the possible database offering - evaluate the HA/DR of the possible database offering -evaluate the security aspects of the possible database offering
Configure resources for scale and performance	-configure Azure SQL Database for scale and performance -configure Azure SQL managed instances for scale and performance -configure SQL Server in Azure VMs for scale and performance -calculate resource requirements -evaluate database partitioning techniques, such as database sharding -set up SQL Data Sync
Evaluate a strategy for moving to Azure	-evaluate requirements for the migration -evaluate offline or online migration strategies -evaluate requirements for the upgrade -evaluate offline or online upgrade strategies
Implement a migration or upgrade strategy for moving to Azure	-implement an online migration strategy -implement an offline migration strategy -implement an online upgrade strategy -implement an offline upgrade strategy
Implement a Secure Environment (15-20%)
Configure database authentication by using platform and database tools	-configure Azure AD authentication -create users from Azure AD identities -configure security principals
Configure database authorization by using platform and database tools	-configure database and object-level permissions using graphical tools -apply principle of least privilege for all securables
Implement security for data at rest	-implement Transparent Data Encryption (TDE) - implement object-level encryption -implement Dynamic Data Masking -implement Azure Key Vault and disk encryption for Azure VMs
Implement security for data in transit	-configure server and database-level firewall rules -implement Always Encrypted
Implement compliance controls for sensitive data	-apply a data classification strategy -configure server and database audits -implement data change tracking -perform a vulnerability assessment
Monitor and Optimize Operational Resources (15-20%)
Monitor activity and performance	-prepare an operational performance baseline -determine sources for performance metrics -interpret performance metrics - configure and monitor activity and performance at the infrastructure, server, service, and database levels
Implement performance-related maintenance tasks	-implement index maintenance tasks -implement statistics maintenance tasks -configure database auto-tuning -manage storage capacity
Identify performance-related issues	- configure Query Store to collect performance data -identify sessions that cause blocking -assess growth/fragmentation of databases and logs -assess performance-related database configuration parameters
Configure resources for optimal performance	-configure storage and infrastructure resources -configure server and service account settings for performance -configure Resource Governor for performance
Configure a user database for optimal performance	-implement database-scoped configuration -configure compute resources for scaling -configure Intelligent Query Processing (IQP)
Optimize Query Performance (5-10%)
Review query plans	-determine the appropriate type of execution plan -identify problem areas in execution plans -extract query plans from the Query Store
Evaluate performance improvements	- determine the appropriate Dynamic Management Views (DMVs) to gather query performance information -identify performance issues using DMVs -identify and implement index changes for queries -recommend query construct modifications based on resource usage -assess the use of hints for query performance
Review database table and index design	-identify data quality issues with duplication of data -identify normal form of database tables -assess index design for performance -validate data types defined for columns -recommend table and index storage including filegroups -evaluate table partitioning strategy - evaluate the use of compression for tables and indexes
Perform Automation of Tasks (10-15%)
Create scheduled tasks	-manage schedules for regular maintenance jobs -configure multi-server automation -configure notifications for task success/failure/non-completion
Evaluate and implement an alert and notification strategy	-create event notifications based on metrics -create event notifications for Azure resources -create alerts for server configuration changes -create tasks that respond to event notifications
Manage and automate tasks in Azure	-perform automated deployment methods for resources -implement policies by using automated evaluation modes
Plan and Implement a High Availability and Disaster Recovery (HADR) Environment (15-20%)
Recommend an HADR strategy for a data platform solution	-recommend HADR strategy based on RPO/RTO requirements -evaluate HADR for hybrid deployments -evaluate Azure-specific HADR solutions -identify resources for HADR solutions
Test an HADR strategy by using platform, OS, and database tools	-test HA by using failover -test DR by using failover or restore
Perform backup and restore a database by using database tools	- perform a database backup with options - perform a database restore with options -perform a database restore to a point in time -configure long-term backup retention
Configure HA/DR by using OS, platform, and database tools	-configure replication -create anAlways On Availability Group -configure auto-failover groups -integrate a database into an Availability Group - configure quorum options for a Windows Server Failover Cluster -configure an Availability Group listener
Perform Administration by Using T-SQL (10-15%)
Examine system health	-evaluate database health using DMVs -evaluate server health using DMVs -perform database consistency checks by using DBCC
Monitor database configuration by using T-SQL	-assess proper database autogrowth configuration -report on database free space -review database configuration options

Query Performance Optimization

Reviewing query plans
- Determining the ideal execution plan
- Identification of problem sections in execution plans
- Extraction of query plans from the Query Store
Evaluation of Performance improvements
- Determining the ideal Dynamic Management Views (DMVs) to collect information relating query performance
- Using DMVs to identify performance issues
- Implementation and identification of index changes for queries
- Assessing the importance of hints in query performance
- Defining query construct modifications
Reviewing index design and database table
- Identifying issues on data quality and data duplication
- Database tables
- Assessing index design
- Validating data types
- Recommending table and index storage including file groups
- Evaluation of table partitioning strategy
- Compression for indexes and tables

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Microsoft Administering Relational Databases on Microsoft Azure Sample Questions (Q139-Q144):

NEW QUESTION # 139
You have SQL Server on an Azure virtual machine.
You review the query plan shown in the following exhibit.

For each of the following statements, select yes if the statement is true. Otherwise, select no.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/performance/monitoring-performance-by-using-the-query-store

NEW QUESTION # 140
You have an Azure Databricks resource.
You need to log actions that relate to changes in compute for the Databricks resource.
Which Databricks services should you log?

A. workspace
B. clusters
C. jobs
D. SSH
E. DBFS

Answer: A

Explanation:
Section: [none]
Explanation:
Cloud Provider Infrastructure Logs.
Databricks logging allows security and admin teams to demonstrate conformance to data governance standards within or from a Databricks workspace. Customers, especially in the regulated industries, also need records on activities like:
* User access control to cloud data storage
* Cloud Identity and Access Management roles
* User access to cloud network and compute
Azure Databricks offers three distinct workloads on several VM Instances tailored for your data analytics workflow-the Jobs Compute and Jobs Light Compute workloads make it easy for data engineers to build and execute jobs, and the All-Purpose Compute workload makes it easy for data scientists to explore, visualize, manipulate, and share data and insights interactively.
Reference:
https://databricks.com/blog/2020/03/25/trust-but-verify-with-databricks.html

NEW QUESTION # 141
You need to implement a solution to notify the administrators. The solution must meet the monitoring requirements.
What should you do?

A. Add a diagnostic setting that logs QueryStoreRuntimeStatistics and streams to an Azure event hub.
B. Create an Azure Monitor alert rule that has a static threshold and assign the alert rule to an action group.
C. Create an Azure Monitor alert rule that has a dynamic threshold and assign the alert rule to an action group.
D. Add a diagnostic setting that logs Timeouts and streams to an Azure event hub.

Answer: C

Explanation:
Reference:
https://azure.microsoft.com/en-gb/blog/announcing-azure-monitor-aiops-alerts-with-dynamic-thresholds/ This is a case study. Case studies are not timed separately. You can use as much exam time as you would like to complete each case. However, there may be additional case studies and sections on this exam. You must manage your time to ensure that you are able to complete all questions included on this exam in the time provided.
To answer the questions included in a case study, you will need to reference information that is provided in the case study. Case studies might contain exhibits and other resources that provide more information about the scenario that is described in the case study. Each question is independent of the other questions in this case study.
At the end of this case study, a review screen will appear. This screen allows you to review your answers and to make changes before you move to the next section of the exam. After you begin a new section, you cannot return to this section.
Topic 3, ADatum Corporation
To start the case study
To display the first question in this case study, click the Next button. Use the buttons in the left pane to explore the content of the case study before you answer the questions. Clicking these buttons displays information such as business requirements, existing environment, and problem statements. If the case study has an All Information tab, note that the information displayed is identical to the information displayed on the subsequent tabs. When you are ready to answer a question, click the Question button to return to the question.
Overview
ADatum Corporation is a retailer that sells products through two sales channels: retail stores and a website.
Existing Environment
ADatum has one database server that has Microsoft SQL Server 2016 installed. The server hosts three mission-critical databases named SALESDB, DOCDB, and REPORTINGDB.
SALESDB collects data from the stores and the website.
DOCDB stores documents that connect to the sales data in SALESDB. The documents are stored in two different JSON formats based on the sales channel.
REPORTINGDB stores reporting data and contains several columnstore indexes. A daily process creates reporting data in REPORTINGDB from the data in SALESDB. The process is implemented as a SQL Server Integration Services (SSIS) package that runs a stored procedure from SALESDB.
Requirements
Planned Changes
ADatum plans to move the current data infrastructure to Azure. The new infrastructure has the following requirements:
Migrate SALESDB and REPORTINGDB to an Azure SQL database.
Migrate DOCDB to Azure Cosmos DB.
The sales data, including the documents in JSON format, must be gathered as it arrives and analyzed online by using Azure Stream Analytics. The analytics process will perform aggregations that must be done continuously, without gaps, and without overlapping.
As they arrive, all the sales documents in JSON format must be transformed into one consistent format.
Azure Data Factory will replace the SSIS process of copying the data from SALESDB to REPORTINGDB.
Technical Requirements
The new Azure data infrastructure must meet the following technical requirements:
Data in SALESDB must encrypted by using Transparent Data Encryption (TDE). The encryption must use your own key.
SALESDB must be restorable to any given minute within the past three weeks.
Real-time processing must be monitored to ensure that workloads are sized properly based on actual usage patterns.
Missing indexes must be created automatically for REPORTINGDB.
Disk IO, CPU, and memory usage must be monitored for SALESDB.

NEW QUESTION # 142
You have an Azure SQL database named DB1.
You need to display the estimated execution plan of a query by using the query editor in the Azure portal.
What should you do first?

A. Run the set showplan_all Transact-SQL statement.
B. For DB1, set QUERY_CAPTURE_MODE of Query Store to All.
C. Run the set forceplan Transact-SQL statement.
D. Enable Query Store for DB1.

Answer: A

Explanation:
Reference:
https://docs.microsoft.com/en-us/sql/t-sql/statements/set-showplan-all-transact-sql?view=sql-server-ver15

NEW QUESTION # 143
You have two Azure virtual machines named VM1 and VM2 that run Windows Server 2019. VM1 and VM2 each host a default Microsoft SQL Server 2019 instance. VM1 contains a database named DB1 that is backed up to a file named D:\DB1.bak.
You plan to deploy an Always On availability group that will have the following configurations:
VM1 will host the primary replica of DB1.
VM2 will host a secondary replica of DB1.
You need to prepare the secondary database on VM2 for the availability group.
How should you complete the Transact-SQL statement? To answer, select the appropriate options in the answer area.

Answer:

Explanation:

Reference:
https://docs.microsoft.com/en-us/sql/database-engine/availability-groups/windows/manually-prepare-a-secondary-database-for-an-availability-group-sql-server?view=sql-server-ver15

NEW QUESTION # 144
......

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