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| Section | Objectives |
|---|---|
| Topic 1: Optimize query performance | - Analyze query performance
|
| Topic 2: Plan and implement data platform resources | - Deploy and configure infrastructure
|
| Topic 3: Implement a secure environment | - Manage database authentication and authorization
|
| Topic 4: Plan and implement a high availability and disaster recovery environment | - Design HA/DR solutions
|
| Topic 5: Perform automation | - Automate database tasks
|
| Topic 6: Monitor and optimize operational resources | - Monitor database performance
|
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NEW QUESTION # 118
You have a data warehouse in Azure Synapse Analytics.
You need to ensure that the data in the data warehouse is encrypted at rest.
What should you enable?
Answer: C
Explanation:
Transparent data encryption (TDE) helps protect Azure SQL Database, Azure SQL Managed Instance, and Azure Synapse Analytics against the threat of malicious offline activity by encrypting data at rest.
Reference:
https://docs.microsoft.com/en-us/azure/azure-sql/database/transparent-data-encryption-tde-overview Basic Concept: This question tests secure database administration, where the control must match the data state, access boundary, identity model, or compliance requirement.
Why A is Correct: Transparent Data Encryption (TDE) is correct because it is the feature whose normal purpose matches the stated requirement. Transparent Data Encryption protects database files, backups, and logs at rest; it does not encrypt data in use or enforce user-level data visibility. The scenario wording points to that specific behavior: You need to ensure that the data in the data warehouse is encrypted at rest.
Why B is Wrong: Advanced Data Security for this database is a security-related control, but its value depends on whether the requirement is identity, encryption, auditing, network isolation, or data exposure reduction. It is not the right enforcement point for this case; the scenario needs the control that governs the data or identity path being tested.
Why C is Wrong: Always Encrypted protects sensitive columns from exposure to the database engine by encrypting and decrypting data at the client side with keys protected outside the database. It does not satisfy the required identity, encryption, firewall, auditing, or data-exposure boundary described in the scenario: You need to ensure that the data in the data warehouse is encrypted at rest.
Why D is Wrong: Secure transfer required is a security-related control, but its value depends on whether the requirement is identity, encryption, auditing, network isolation, or data exposure reduction. It protects or manages a different security layer, so the required database access or protection behavior would still be incomplete.
NEW QUESTION # 119
You have an Azure Data Factory pipeline that is triggered hourly.
The pipeline has had 100% success for the past seven days.
The pipeline execution fails, and two retries that occur 15 minutes apart also fail. The third failure returns the following error.
What is a possible cause of the error?
Answer: C
Explanation:
Basic Concept: This question tests monitor, configure, and optimize database resources in the DP-300 exam context. The correct choice is determined by the exact service boundary and operational requirement stated in the scenario.
Why B is Correct: The parameter used to generate year=2021/month=01/day=10/hour=06 was incorrect. is related to operational monitoring or tuning, but it must match the exact signal needed: query history, resource utilization, wait/blocking detail, or automatic remediation. The scenario asks for: You have an Azure Data Factory pipeline that is triggered hourly. That makes The parameter used to generate year=2021/month=01
/day=10/hour=06 was incorrect. the option that satisfies the required Azure SQL layer and operational outcome.
Why A is Wrong: From 06:00 to 07:00 on January 10, 2021, there was no data in wwi/BIKES/CARBON. is related to operational monitoring or tuning, but it must match the exact signal needed: query history, resource utilization, wait/blocking detail, or automatic remediation. It would produce a different operational signal than the one needed to investigate, alert, or tune the workload in this question.
Why C is Wrong: From 06:00 to 07:00 on January 10, 2021, the file format of data in wwi/BIKES/CARBON was incorrect. is related to operational monitoring or tuning, but it must match the exact signal needed: query history, resource utilization, wait/blocking detail, or automatic remediation. It is useful in other troubleshooting paths, but this scenario requires a more specific monitoring or optimization feature.
Why D is Wrong: The pipeline was triggered too early. is related to operational monitoring or tuning, but it must match the exact signal needed: query history, resource utilization, wait/blocking detail, or automatic remediation. It would produce a different operational signal than the one needed to investigate, alert, or tune the workload in this question.
NEW QUESTION # 120
A data engineer creates a table to store employee information for a new application. All employee names are in the US English alphabet. All addresses are locations in the United States. The data engineer uses the following statement to create the table.
You need to recommend changes to the data types to reduce storage and improve performance.
Which two actions should you recommend? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
Answer: A,D
NEW QUESTION # 121
You need to configure user authentication for the SERVER1 databases. The solution must meet the security and compliance requirements.
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.
Answer:
Explanation:
1 - Create an Azure AD administrator for the logical server
2 - Create contained database users
3 - Connect to the databases by using an Azure AD account
Reference:
https://docs.microsoft.com/en-us/azure/azure-sql/database/authentication-aad-overview
NEW QUESTION # 122
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:
Explanation:
Box 1: Column encryption Key
Always Encrypted uses two types of keys: column encryption keys and column master keys. A column encryption key is used to encrypt data in an encrypted column. A column master key is a key-protecting key that encrypts one or more column encryption keys.
Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/security/encryption/always-encrypted-database- engine
NEW QUESTION # 123
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