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Microsoft DP-300 Practice Test Questions, Microsoft DP-300 Exam Practice Test Questions

The Microsoft DP-300: Administering Relational Databases on Microsoft Azure exam is intended for the data management specialists and database administrators who want to validate their professional expertise. This test is a prerequisite option for the Microsoft Certified: Azure Database Administrator Associate certification. >> DP-300 Reliable Test Preparation <<

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As a certified Azure database administrator, there are different job roles that you can explore. These include a Database Administrator, a Database Engineer, a Database Architect, a System Administrator, an IT Azure Cloud Engineer, and a Service Engineer, among others. The average salary to expect from any of these positions is $77,670 per annum. However, the professionals with advanced experience can earn above the average industry standard.

Microsoft Administering Relational Databases on Microsoft Azure Sample Questions (Q81-Q86):

NEW QUESTION # 81
You have an Azure data factory that has two pipelines named PipelineA and PipelineB.
PipelineA has four activities as shown in the following exhibit.

PipelineB has two activities as shown in the following exhibit.

You create an alert for the data factory that uses Failed pipeline runs metrics for both pipelines and all failure types. The metric has the following settings:
Operator: Greater than
Aggregation type: Total
Threshold value: 2
Aggregation granularity (Period): 5 minutes
Frequency of evaluation: Every 5 minutes
Data Factory monitoring records the failures shown in the following table.

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/azure/azure-monitor/alerts/alerts-metric-overview
NEW QUESTION # 82**
You are building a database backup solution for a SQL Server database hosted on an Azure virtual machine.
In the event of an Azure regional outage, you need to be able to restore the database backups. The solution must minimize costs.
Which type of storage accounts should you use for the backups?

• A. zone-redundant storage (ZRS)
• B. read-access geo-redundant storage (RA-GRS)
• C. geo-redundant storage
• D. locally-redundant storage (LRS)

Answer: B Explanation:
Geo-redundant storage (with GRS or GZRS) replicates your data to another physical location in the secondary region to protect against regional outages. However, that data is available to be read only if the customer or Microsoft initiates a failover from the primary to secondary region. When you enable read access to the secondary region, your data is available to be read if the primary region becomes unavailable. For read access to the secondary region, enable read-access geo-redundant storage (RA-GRS) or read-access geo-zone-redundant storage (RA-GZRS).
Incorrect Answers:
A: Locally redundant storage (LRS) copies your data synchronously three times within a single physical location in the primary region. LRS is the least expensive replication option, but is not recommended for applications requiring high availability.
C: Zone-redundant storage (ZRS) copies your data synchronously across three Azure availability zones in the primary region.
D: Geo-redundant storage (with GRS or GZRS) replicates your data to another physical location in the secondary region to protect against regional outages. However, that data is available to be read only if the customer or Microsoft initiates a failover from the primary to secondary region.
Reference:
https://docs.microsoft.com/en-us/azure/storage/common/storage-redundancy
NEW QUESTION # 83
HOTSPOT
You have an Azure SQL database that contains a table named Customer. Customer has the columns shown in
the following table.

You plan to implement a dynamic data mask for the Customer_Phone column. The mask must meet the
following requirements:
* The first six numerals of each customer's phone number must be masked.
* The last four digits of each customer's phone number must be visible.
* Hyphens must be preserved and displayed.
How should you configure the dynamic data mask? To answer, select the appropriate options in the answer
area.
Hot Area:
Answer: ** Explanation:

Section: [none]
Explanation:
Box 1: 0
Custom String : Masking method that exposes the first and last letters and adds a custom padding string in
the middle. prefix,[padding],suffix
Box 2: xxx-xxx
Box 3: 5
Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/security/dynamic-data-masking
NEW QUESTION # 84**
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.
Incorrect Answers:
TDE encrypts the storage of an entire database by using a symmetric key called the Database Encryption Key (DEK).
Box 2: Deterministic
Always Encrypted is a feature designed to protect sensitive data, such as credit card numbers or national identification numbers (for example, U.S. social security numbers), stored in Azure SQL Database or SQL Server databases. Always Encrypted allows clients to encrypt sensitive data inside client applications and never reveal the encryption keys to the Database Engine (SQL Database or SQL Server).
Always Encrypted supports two types of encryption: randomized encryption and deterministic encryption.
Deterministic encryption always generates the same encrypted value for any given plain text value. Using deterministic encryption allows point lookups, equality joins, grouping and indexing on encrypted columns.
Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/security/encryption/always-encrypted-database-engine
NEW QUESTION # 85**
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.

• A. Change LastHireDate to the date data type.
• B. Change PhoneNumber to the float data type.
• C. Change PhoneNumber to the bigint data type.
• D. Change Salary to the money data type.
• E. Change LastHireDate to the datetime2(7) data type.

Answer: A,D
NEW QUESTION # 86
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