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September 25, 2020

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Latest updates Microsoft DP-200 exam practice questions

QUESTION 1
A company plans to analyze a continuous flow of data from a social media platform by using Microsoft Azure Stream
Analytics. The incoming data is formatted as one record per row.
You need to create the input stream.
How should you complete the REST API segment? To answer, select the appropriate configuration in the answer area.
NOTE: Each correct selection is worth one point.
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QUESTION 2
You have an Azure SQL database named DB1 that contains a table named Table1. Table1 has a field named
Customer_ID that is varchar(22).
You need to implement masking for the Customer_ID field to meet the following requirements: The first two prefix characters must be exposed.
The last four prefix characters must be exposed.
All other characters must be masked.
Solution: You implement data masking and use an email function mask.
Does this meet the goal?
A. Yes
B. No
Correct Answer: B
Must use Custom Text data masking, which exposes the first and last characters and adds a custom padding string in
the middle.
References: https://docs.microsoft.com/en-us/azure/sql-database/sql-database-dynamic-data-masking-get-started

QUESTION 3
You need to ensure that phone-based polling data can be analyzed in the PollingData database.
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.
Select and Place: 

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Correct Answer:

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Explanation/Reference:
All deployments must be performed by using Azure DevOps. Deployments must use templates used in multiple
environments No credentials or secrets should be used during deployments

QUESTION 4
Contoso, Ltd. plans to configure existing applications to use the Azure SQL Database.
When security-related operations occur, the security team must be informed.
You need to configure Azure Monitor while minimizing administrative effort.
Which three actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
A. Create a new action group to email [email protected]
B. Use [email protected] as an alert email address.
C. Use all security operations as a condition.
D. Use all Azure SQL Database servers as a resource.
E. Query audit log entries as a condition.
Correct Answer: ACD
References: https://docs.microsoft.com/en-us/azure/azure-monitor/platform/alerts-action-rules

QUESTION 5
You manage a solution that uses Azure HDInsight clusters.
You need to implement a solution to monitor cluster performance and status.
Which technology should you use?
A. Azure HDInsight .NET SDK
B. Azure HDInsight REST API
C. Ambari REST API
D. Azure Log Analytics
E. Ambari Web UI
Correct Answer: E
Ambari is the recommended tool for monitoring utilization across the whole cluster. The Ambari dashboard shows easily
glanceable widgets that display metrics such as CPU, network, YARN memory, and HDFS disk usage. The specific
metrics shown depend on the cluster type. The “Hosts” tab shows metrics for individual nodes so you can ensure the load
on your cluster is evenly distributed.
The Apache Ambari project is aimed at making Hadoop management simpler by developing software for provisioning,
managing, and monitoring Apache Hadoop clusters. Ambari provides an intuitive, easy-to-use Hadoop management
web UI backed by its RESTful APIs.
References: https://azure.microsoft.com/en-us/blog/monitoring-on-hdinsight-part-1-an-overview/
https://ambari.apache.org/

QUESTION 6
You manage the Microsoft Azure Databricks environment for a company. You must be able to access a private Azure
Blob Storage account. Data must be available to all Azure Databricks workspaces. You need to provide data
access. 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.
Select and Place: lead4pass dp-200 exam questions q6

Step 1: Create a secret scope
Step 2: Add secrets to the scope
Note: duties.secrets.get(scope = “”, key = “”) gets the key that has been stored as a secret in a secret scope.
Step 3: Mount the Azure Blob Storage container
You can mount a Blob Storage container or a folder inside a container through Databricks File System – DBFS. The mount is a pointer to a Blob Storage container, so the data is never synced locally.
Note: To mount a Blob Storage container or a folder inside a container, use the following command:
Python dbutils.fs.mount(
source = “wasbs://@.blob.core.windows.net”, mount_point = “/mnt/”,
extra_configs = {“”:dbutils.secrets.get(scope = “”, key = “”)})
where:
dbutils.secrets.get(scope = “”, key = “”) gets the key that has been stored as a secret in a secret scope.
References:
https://docs.databricks.com/spark/latest/data-sources/azure/azure-storage.html

QUESTION 7
What should you implement to optimize SQL Database for Race Central to meet the technical requirements?
A. the sp_updatestored procedure
B. automatic tuning
C. Query Store
D. the dbcc checkdbcommand
Correct Answer: A
Scenario: The query performance of Race Central must be stable, and the administrative time it takes to perform
optimizations must be minimized.
sp_update updates query optimization statistics on a table or indexed view. By default, the query optimizer already
updates statistics as necessary to improve the query plan; in some cases, you can improve query performance by using
UPDATE STATISTICS or the stored procedure sp_updatestats to update statistics more frequently than the default
updates.
Incorrect Answers:
D: dbcc checks the logical and physical integrity of all the objects in the specified database

QUESTION 8
You plan to implement an Azure Cosmos DB database that will write 100,000 JSON every 24 hours. The database will
be replicated in three regions. Only one region will be writable.
You need to select a consistency level for the database to meet the following requirements:
Guarantee monotonic reads and writes within a session.
Provide the fastest throughput.
Provide the lowest latency.
Which consistency level should you select?

A. Strong
B. Bounded Staleness
C. Eventual
D. Session
E. Consistent Prefix
Correct Answer: D
Session: Within a single client session reads are guaranteed to honor the consistent-prefix (assuming a single “writer”
session), monotonic reads, monotonic writes, read-your-writes, and write-follows-reads guarantees. Clients outside of
the session performing writes will see eventual consistency.
References: https://docs.microsoft.com/en-us/azure/cosmos-db/consistency-levels

QUESTION 9
You have an Azure SQL database that has masked columns.
You need to identify when a user attempts to infer data from the masked columns.
What should you use?
A. Azure Advanced Threat Protection (ATP)
B. custom masking rules
C. Transparent Data Encryption (TDE)
D. auditing
Correct Answer: D
Dynamic Data Masking is designed to simplify application development by limiting data exposure in a set of pre-defined
queries used by the application. While Dynamic Data Masking can also be useful to prevent accidental exposure of
sensitive data when accessing a production database directly, it is important to note that unprivileged users with ad-hoc
query permissions can apply techniques to gain access to the actual data. If there is a need to grant such ad-hoc
access, Auditing should be used to monitor all database activity and mitigate this scenario.
References: https://docs.microsoft.com/en-us/sql/relational-databases/security/dynamic-data-masking

QUESTION 10
Which two metrics should you use to identify the appropriate RU/s for the telemetry data? Each correct answer presents
part of the solution. NOTE: Each correct selection is worth one point.
A. Number of requests
B. Number of requests exceeded capacity

C. End to end observed read latency at the 99
D. Session consistency
E. Data + Index storage consumed
F. Avg Throughput/s
Correct Answer: AE
Scenario: The telemetry data must be monitored for performance issues. You must adjust the Cosmos DB Request
Units per second (RU/s) to maintain a performance SLA while minimizing the cost of the Ru/s.
With Azure Cosmos DB, you pay for the throughput you provision and the storage you consume on an hourly basis.
While you estimate the number of RUs per second to provision, consider the following factors:
Item size: As the size of an item increases, the number of RUs consumed to read or write the item also increases.

QUESTION 11
A company has a SaaS solution that uses Azure SQL Database with elastic pools. The solution contains a dedicated
database for each customer organization. Customer organizations have peak usage at different periods during the
year.
You need to implement the Azure SQL Database elastic pool to minimize cost.
Which option or options should you configure?
A. Number of transactions only
B. eDTUs per database only
C. Number of databases only
D. CPU usage only
E. eDTUs and max data size
Correct Answer: E
The best size for a pool depends on the aggregate resources needed for all databases in the pool. This involves
determining the following:
Maximum resources utilized by all databases in the pool (either maximum DTUs or maximum vCores depending on your
choice of resourcing model).
Maximum storage bytes utilized by all databases in the pool.
Note: Elastic pools enable the developer to purchase resources for a pool shared by multiple databases to
accommodate unpredictable periods of usage by individual databases. You can configure resources for the pool based
either on the
DTU-based purchasing model or the vCore-based purchasing model. References:
https://docs.microsoft.com/en-us/azure/sql-database/sql-database-elastic-pool 

QUESTION 12
You are developing a data engineering solution for a company. The solution will store a large set of key-value pair data
by using Microsoft Azure Cosmos DB.
The solution has the following requirements:
Data must be partitioned into multiple containers.
Data containers must be configured separately.
Data must be accessible from applications hosted around the world.
The solution must minimize latency.
You need to provision Azure Cosmos DB.
A. Cosmos account-level throughput.
B. Provision an Azure Cosmos DB account with the Azure Table API. Enable geo-redundancy.
C. Configure table-level throughput.
D. Replicate the data globally by manually adding regions to the Azure Cosmos DB account.
E. Provision an Azure Cosmos DB account with the Azure Table API. Enable multi-region writes.
Correct Answer: E
The scale read and write throughput globally. You can enable every region to be writable and elastically scale reads and
writes all around the world. The throughput that your application configures on an Azure Cosmos database or a
container is guaranteed to be delivered across all regions associated with your Azure Cosmos account. The provisioned
throughput is guaranteed up by financially-backed SLAs.
References: https://docs.microsoft.com/en-us/azure/cosmos-db/distribute-data-globally

QUESTION 13
Your company uses Azure SQL Database and Azure Blob storage.
All data at rest must be encrypted by using the company\\’s own key. The solution must minimize administrative effort
and the impact on applications that use the database.
You need to configure security.
What should you implement? To answer, select the appropriate option in the answer area.
NOTE: Each correct selection is worth one point.

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