DP-300 Exam Assessment - DP-300 Valid Test Guide

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Microsoft DP-300 (Administering Relational Databases on Microsoft Azure) certification exam is designed to test the skills and knowledge of database administrators and developers who work with Microsoft Azure technologies. DP-300 Exam measures the ability of the candidates to perform tasks such as provisioning and deploying databases, securing data, monitoring performance, and optimizing databases in the cloud.

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DP-300 Valid Test Guide | DP-300 Valid Exam Question

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Microsoft DP-300 certification exam is ideal for IT professionals who are responsible for managing relational databases on Microsoft Azure. Administering Relational Databases on Microsoft Azure certification exam is designed for individuals who have a good understanding of SQL Server and Azure SQL Database concepts. DP-300 Exam is also suitable for individuals who have experience in database administration and have a good understanding of database security, backup and restore strategies, and performance tuning.

Microsoft Administering Relational Databases on Microsoft Azure Sample Questions (Q357-Q362):

NEW QUESTION # 357
You have an Always On availability group deployed to Azure virtual machines. The availability group contains a database named DB1 and has two nodes named SQL1 and SQL2. SQL1 is the primary replica.
You need to initiate a full backup of DB1 on SQL2.
Which statement should you run?
BACKUP DATABASE DB1 TO URL='https://mystorageaccount.blob.core.windows.net/

Answer: C

Explanation:
Section: [none]
Explanation:
BACKUP DATABASE supports only copy-only full backups of databases, files, or filegroups when it's executed on secondary replicas. Copy-only backups don't impact the log chain or clear the differential bitmap.
Incorrect Answers:
A: Differential backups are not supported on secondary replicas. The software displays this error because the secondary replicas support copy-only database backups.
Reference:
https://docs.microsoft.com/en-us/sql/database-engine/availability-groups/windows/active-secondaries-backup- on-secondary-replicas-always-on-availability-groups


NEW QUESTION # 358
You have an Azure SQL database that contains a table named factSales. FactSales contains the columns shown in the following table.

FactSales has 6 billion rows and is loaded nightly by using a batch process.
Which type of compression provides the greatest space reduction for the database?

Answer: D

Explanation:
Explanation
Columnstore tables and indexes are always stored with columnstore compression. You can further reduce the size of columnstore data by configuring an additional compression called archival compression.
Note: Columnstore - The columnstore index is also logically organized as a table with rows and columns, but the data is physically stored in a column-wise data format.
Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/data-compression/data-compression


NEW QUESTION # 359
You plan to develop a dataset named Purchases by using Azure Databricks. Purchases will contain the following columns:
ProductID
ItemPrice
LineTotal
Quantity
StoreID
Minute
Month
Hour
Year
Day
You need to store the data to support hourly incremental load pipelines that will vary for each StoreID. The solution must minimize storage costs.
How should you complete the code? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Reference:
https://intellipaat.com/community/11744/how-to-partition-and-write-dataframe-in-spark-without-deleting-partitions-with-no-new-data


NEW QUESTION # 360
You have a Microsoft SQL Server 2017 server that hosts five databases.
You Plan to migrate the databases to Azure.
You need to recommend a solution that meets the following requirements:
* Automatically scales compute based on the workload demand
* Provides per-second billing
What should you include in the recommendation? To answer, select the appropriate options in the answer area.

Answer:

Explanation:

Explanation:


NEW QUESTION # 361
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 # 362
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