Latest Microsoft MCSA 70-764 exam dumps, 70-764 Exam Practice Tests | 100% Free

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Valid information provided by Microsoft officials

Exam 70-764: Administering a SQL Database Infrastructure – Microsoft: https://www.microsoft.com/en-us/learning/exam-70-764.aspx

This exam is intended for database professionals who perform installation, maintenance, and configuration tasks.
Other responsibilities include setting up database systems, making sure those systems operate efficiently, and regularly storing, backing up, and securing data from unauthorized access.

pass4itsure 70-764 Skills measured

This exam measures your ability to accomplish the technical tasks listed below.

Configure data access and auditing (20–25%)

  • Configure encryption
  • Configure data access and permissions
  • Configure auditing

Manage backup and restore of databases (20–25%)

  • Develop a backup strategy
  • Restore databases
  • Manage database integrity

Manage and monitor SQL Server instances (35–40%)

  • Monitor database activity
  • Monitor queries
  • Manage indexes
  • Manage statistics
  • Monitor SQL Server instances

Manage high availability and disaster recovery (20–25%)

  • Implement log shipping
  • Implement AlwaysOn Availability Groups
  • Implement failover cluster instances

Latest effective Microsoft MCSA 70-764 Exam Practice Tests

QUESTION 1
You plan to migrate the DB to Azure.
You verify that all objects are valid for Azure SQL database. You need to ensure that users and logins are migrated to
Azure.
What should you do?
A. Use the Copy Database wizard
B. Use the Database Transfer wizard
C. Use the SQL Management Studio to deploy the DB to Azure
D. Back up the database from the local server and restore it to Azure
Correct Answer: CD

 

QUESTION 2
You manage a Microsoft SQL Server environment. You plan to encrypt data when you create backups.
You need to configure the encryption options for backups.
What should you configure?
A. a certificate
B. an MD5 hash
C. a DES key
D. an AES 256-bit key
Correct Answer: D
To encrypt during backup, you must specify an encryption algorithm, and an encryptor to secure the encryption key. The
following are the supported encryption options: Encryption Algorithm: The supported encryption algorithms are: AES
128, AES 192, AES 256, and Triple DES Encryptor: A certificate or asymmetric Key
References: https://docs.microsoft.com/en-us/sql/relational-databases/backup-restore/backup-encryption

 

QUESTION 3
You use Microsoft SQL Server 2016 to write code for a transaction that contains several statements.
There is high contention between readers and writers on several tables used by your transaction. You need to minimize
the use of the tempdb space.
You also need to prevent reading queries from blocking writing queries.
Which isolation level should you use?
A. SERIALIZABLE
B. SNAPSHOT
C. READ COMMITTED SNAPSHOT
D. REPEATABLE READ
Correct Answer: C
For most applications, read committed isolation using row versioning is recommended over snapshot isolation for the
following reasons:
It consumes less tempdb space than snapshot isolation.
Etc.
References: https://msdn.microsoft.com/en-us/library/ms188277.aspx

 

QUESTION 4
An organization deploys Microsoft SQL Server instances at the main office and the organization\\’s remote office. SQL
The server is not using Windows failover clustering.
Remote employef s report connection issues when they attempt to run queries against a specific database that is hosted
at the main office.
You need to ensure that remote employees can retrieve data from a database instance that is hosted in the remote
office.
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:pass4itsure 70-764 exam question q4

Correct Answer:

pass4itsure 70-764 exam question q4-1

Database mirroring is a solution for increasing the availability of a SQL Server database.
Mirroring is implemented on a per-database basis and works only with databases that use the full recovery model.

 

QUESTION 5
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains
a unique solution that might meet the stated goals. Some question sets might have more than one correct solution,
while
others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not
appear in the review screen.
Your company is developing a new business intelligence application that will access data in a Microsoft Azure SQL
Database instance. All objects in the instance have the same owner.
A new security principal named BI_User requires permission to run stored procedures in the database. The stored
procedures read from and write to tables in the database. None of the stored procedures perform IDENTIFY_INSERT
operations or dynamic SQL commands.
The scope of permissions and authentication of BI_User should be limited to the database. When granting permissions,
you should use the principle of least privilege.
You need to create the required security principals and grant the appropriate permissions.
Solution: You run the following Transact-SQL statement in the database:pass4itsure 70-764 exam question q5

Does the solution meet the goal?
A. Yes
B. No
Correct Answer: B
We need to add a login.
Secondly, it is enough to grant EXECUTE permissions on the stored procedures for database roles you want to be able
to access the data. We do not need to add roles to this user.
Note: One method of creating multiple lines of defense around your database is to implement all data access using
stored procedures or user-defined functions. You revoke or deny all permissions to underlying objects, such as tables,
and
grant EXECUTE permissions on stored procedures. This effectively creates a security perimeter around your data and
database objects.
Best Practices
Simply writing stored procedures isn\\’t enough to adequately secure your application. You should also consider the
following potential security holes.
Grant EXECUTE permissions on the stored procedures for database roles you want to be able to access the data.
Revoke or deny all permissions to the underlying tables for all roles and users in the database, including the public role.
All users inherit permissions from the public. Therefore denying permissions to public means that only owners and
sysadmin
members have access; all other users will be unable to inherit permissions from membership in other roles.
Do not add users or roles to the sysadmin or db_owner roles. System administrators and database owners can access
all database objects.
References: https://docs.microsoft.com/en-us/dotnet/framework/data/adonet/sql/managing-permissions-with-stored-procedures-in-sql-server

 

QUESTION 6
DRAG DROP
You have a table that contains a column named Department. Each user is assigned to a database role name that
matches the Department column value. Users authenticate to the database with accounts that are assigned to their department’s database role. You belong to the db_owner role and have the rights to run the EXECUTE AS USER
statement.
Users must only view records that match their department.
You need to implement Microsoft SQL Server row-level security (RLS) and test the implementation.
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:pass4itsure 70-764 exam question q6

Correct Answer:

pass4itsure 70-764 exam question q6-1

Step 1: Create a filter predicate by using a SQL Server inline table-valued user-defined function.
Create a new schema and an inline table-valued function.
Step 2: Create a security policy
Create a security policy adding the function as a filter predicate.
The CREATE SECURITY POLICY command creates a security policy for row level security.
Step 3: Run EXECUTE AS USER
References:
https://docs.microsoft.com/en-us/sql/t-sql/statements/create-security-policy-transact-sql?view=sql-server-2017
https://docs.microsoft.com/en-us/sql/relational-databases/security/row-level-security

 

QUESTION 7
You administer a Microsoft SQL Server 2016 server.
You plan to deploy new features to an application.
You need to evaluate existing and potential clustered and non-clustered indexes that will improve performance.
What should you do?
A. Query the sys.dm_db_index_usage_stats DMV.
B. Query the sys.dm_db_missing_index_details DMV.
C. Use the Database Engine Tuning Advisor.
D. Query the sys.dm_db_missing_index_columns DMV.
Correct Answer: C
The Microsoft Database Engine Tuning Advisor (DTA) analyzes databases and makes recommendations that you can
use to optimize query performance. You can use the Database Engine Tuning Advisor to select and create an optimal
set of indexes, indexed views, or table partitions without having an expert understanding of the database structure or the internals of SQL Server. Using the DTA, you can perform the following tasks. Troubleshoot the performance of a
specific problem query Tune a large set of queries across one or more databases Perform an exploratory what-if
analysis of potential physical design changes Manage storage space References: https://docs.microsoft.com/en-us/sql/relational-databases/performance/database-engine-tuning-advisor

 

QUESTION 8
You administer a single server that contains a Microsoft SQL Server 2016 default instance.
You plan to install a new application that requires the deployment of a database on the server. The application login
requires sysadmin permissions.
You need to ensure that the application login is unable to access other production databases.
What should you do?
A. Use the SQL Server default instance and configure an affinity mask.
B. Install a new named SQL Server instance on the server.
C. Use the SQL Server default instance and enable Contained Databases.
D. Install a new default SQL Server instance on the server.
Correct Answer: B

SQL Server supports multiple instances of SQL Server on a single server or processor, but only one instance can be the
default instance. All others must be named instances. A computer can run multiple instances of SQL Server
concurrently, and each instance runs independently of other instances.
References: https://msdn.microsoft.com/en-us/library/ms143531(v=SQL.105).aspx

 

QUESTION 9
You have a database named DB1. You complete a full backup on January 1, 2018, to a backup set named DB1_Backup.
You create a differential backup January 2, 2018, to the same backup set. You perform transaction log backups each
day at 1:00 PM.
DB1 experiences a catastrophic failure.
You need to restore the database to January 3, 2018, at 11:00 AM.
Which three Transact-SQL segments should you use to develop the solution? To answer, move the appropriate
Transact-SQL segment from the list of Transact-SQL segments to the answer area and arrange them in the correct
order.
Select and Place:pass4itsure 70-764 exam question q9

Correct Answer:

pass4itsure 70-764 exam question q9-1

This example restores a database, differential database, and transaction log backup of the MyAdvWorks database.
Step 1:
— Assume the database is lost at this point. Now restore the full
— database. Specify the original full database backup and NORECOVERY.
— NORECOVERY allows subsequent restore operations to proceed.
RESTORE DATABASE MyAdvWorks
FROM MyAdvWorks_1
WITH NORECOVERY;
GO
Step 2:
— Now restore the differential database backup, the second backup on
— the MyAdvWorks_1 backup device.
RESTORE DATABASE MyAdvWorks
FROM MyAdvWorks_1
WITH FILE = 2,
NORECOVERY;
Step 3:
— Now restore each transaction log backup created after
— the differential database backup.
RESTORE LOG MyAdvWorks
FROM MyAdvWorks_log1
WITH NORECOVERY; GO RESTORE LOG MyAdvWorks FROM MyAdvWorks_log2 WITH RECOVERY; GO
References: https://docs.microsoft.com/en-us/sql/relational-databases/backup-restore/restore-a-differential-database-backup-sql-server

 

QUESTION 10
You have a database named DB1.
DB1 contains a table named Sales. The SalesPerson that has an index named AK_SalesPerson_rowguid.
Queries that do not use the index take approximately 10 times longer to complete than queries that use the index. You
discover that AK_SalesPerson_rowguid has severe fragmentation. You need to recommend a solution to defragment
the index.
The solution must ensure that the index can be used by queries during the defragmentation.
What statement should you use? To answer, drag the appropriate elements to the correct locations. Each element may
be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content
Select and Place:pass4itsure 70-764 exam question q10

Correct Answer:

pass4itsure 70-764 exam question q10-1

Rebuilding an index can be executed online or offline. Reorganizing an index is always executed online. To achieve
availability similar to the reorganize option, you should rebuild indexes online. Use: ALTER INDEX REBUILD WITH
(ONLINE = ON)
References: Reorganize and Rebuild Indexes https://msdn.microsoft.com/enus/library/ms189858.aspx

 

QUESTION 11
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains
a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not
appear in the review screen.
You have a database named DB1 that is 640 GB and is updated frequently.
You enable log shipping for DB1 and configure backup and restore to occur every 30 minutes.
You discover that the hard disks on the database server are almost full.
You need to reduce the amount of disk space used by the log shipping process.
Solution: You configure log shipping to backup and restore by using a single shared folder.
Does this meet the goal?
A. Yes
B. No
Correct Answer: B
You should compress the transaction log backups.
References: https://docs.microsoft.com/en-us/sql/database-engine/log-shipping/configure-log-shipping-sql-server?view=sql-server-2017

 

QUESTION 12
You are a database administrator for an organization. You manage a mission-critical database named DB1 that is
hosted on a server named LON-SQL1.
An audit record for transactions that occur in DB1 is written to a file every five seconds. If an audit record cannot be
recorded, the transaction must be terminated. You create a shared folder named Audits on a server named LON-SVR1.
You need to implement the process for recording audit records.
How should you complete the Transact-SQL statement? To answer, select the appropriate Transact-SQL segment in
the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:pass4itsure 70-764 exam question q12

Correct Answer:

pass4itsure 70-764 exam question q12-1

Box 1: Server Audit The CREATE SERVER AUDIT command creates a server audit object using SQL Server Audit. Box
2: FILE(FILEPATH=\\’\\LON-SVR1\Audits\\\’) An audit record for transactions that occur in DB1 are written to a file every
five seconds. You create a shared folder named Audits on a server named LON-SVR1. Box 3: QUEUE_DELAY=5000
QUEUE_DELAY =integer Determines the time, in milliseconds, that can elapse before audit actions are forced to be
processed. A value of 0 indicates synchronous delivery. The minimum settable query delay value is 1000 (1 second),
which is the default. Box 4: ON_FAILURE= FAIL_OPERATION FAIL_OPERATION Database actions fail if they cause
audited events. Actions, which do not cause audited events can continue, but no audited events can occur. The audit
continues to attempt to log events and resumes if the failure condition is resolved. Use this option when maintaining a
complete audit is more important than full access to the Database Engine.
References: https://docs.microsoft.com/en-us/sql/t-sql/statements/create-server-audit-transact-sql

 

QUESTION 13
Note: This question is part of a series of questions that use the same scenario. For your convenience, the scenario is
repeated in each question. Each question presents a different goal and answers choices, but the text of the scenario is exactly the same in each question in this series.
You are a database administrator for a company that has an on-premises Microsoft SQL Server environment and
Microsoft Azure SQL Database instances. The environment hosts several customer databases, and each customer
uses a
dedicated instance. The environments that you manage are shown in the following table.pass4itsure 70-764 exam question q13

You need to configure auditing for the Adventure Works environment.
How should you complete the Transact-SQL statement? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:

pass4itsure 70-764 exam question q13-1

Correct Answer:

pass4itsure 70-764 exam question q13-2

Box 1: CREATE SERVER AUDIT
Create a server audit.
You must implement auditing to record access to data that is considered sensitive by the company.
Create database audit
Box 2: ALTER SERVER AUDIT
Enable the server audit.
Box 3: CREATE DATABASE AUDIT
Create the database audit specification.
Box 4: FOR SERVER AUDIT
You must implement auditing for all objects in the DAV schema.
References: https://docs.microsoft.com/en-us/sql/relationaldatabases/security/auditing/create-a-server-audit-and-database-audit-specification

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Latest Microsoft MCSA 70-762 exam dumps, 70-762 Exam Practice Tests | 100% Free

70-762 dumps

Easily pass the Microsoft MCSA 70-762 exam: “Developing SQL Databases – Microsoft” – https://www.pass4itsure.com/70-762.html (Q&As: 164) Free share the latest 70-762 dumps questions and answers!
Practice the test online! Improve your skills and exam experience!

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Valid information provided by Microsoft officials

Exam 70-762: Developing SQL Databases – Microsoft: https://www.microsoft.com/en-us/learning/exam-70-762.aspx

This exam is intended for database professionals who build and implement databases across organizations and who ensure high levels of data availability. Their responsibilities include creating database files, data types, and tables; planning, creating, and optimizing indexes; ensuring data integrity; implementing views, stored procedures, and functions; and managing transactions and locks.

pass4itsure 70-762 Skills measured

This exam measures your ability to accomplish the technical tasks listed below. The percentages indicate the relative weight of each major topic area on the exam.

Design and implement database objects (25–30%)

  • Design and implement a relational database schema
  • Design and implement indexes
  • Design and implement views
  • Implement columnstore indexes

Implement programmability objects (20–25%)

  • Ensure data integrity with constraints
  • Create stored procedures
  • Create triggers and user-defined functions

Manage database concurrency (25–30%)

  • Implement transactions
  • Manage isolation levels
  • Optimize concurrency and locking behavior
  • Implement memory-optimized tables and native stored procedures

Optimize database objects and SQL infrastructure (20–25%)

  • Optimize statistics and indexes
  • Analyze and troubleshoot query plans
  • Manage performance for database instances
  • Monitor and trace SQL Server baseline performance metrics

Latest effective Microsoft MCSA 70-762 Exam Practice Tests

QUESTION 1
You have a trigger named CheckTriggerCreation that runs when a user attempts to create a trigger. The
The CheckTriggerCreation trigger was created with the ENCRYPTION option and additional proprietary business logic.
You need to prevent users from running the ALTER and DROP statements or the sp_tableoption stored procedure.
Which three Transact-SQL segments should you use to develop the solution? To answer, move the appropriate
Transact-SQL segments from the list of Transact-SQL segments to the answer area and arrange them in the correct
order.
Select and Place:pass4itsure 70-762 exam question q1

Correct Answer:

pass4itsure 70-762 exam question q1-1

 

QUESTION 2
Note: This question is part of a series of questions that use the same or similar answer choices. An answer choice may
be correct for more than one question in the series. Each question is independent of the other questions in this series.
Information and details provided in a question apply only to that question.
You have a database named DB1. There is no memory-optimized filegroup in the database. You run the following
query:pass4itsure 70-762 exam question q2

The following image displays the execution plan the query optimizer generates for this query: Users frequently run the
same query with different values for the local variable @lastName. The table named Person is persisted on disk. You
need to create an index on the Person. Person table that meets the following requirements:

pass4itsure 70-762 exam question q2-1

1.
All users must be able to benefit from the index.
2.
FirstName must be added to the index as an included column.
What should you do?
A. Create a clustered index on the table.
B. Create a nonclustered index on the table.
C. Create a nonclustered filtered index on the table.
D. Create a clustered column store index on the table.
E. Create a nonclustered column store index on the table.
F. Create a hash index on the table.
Correct Answer: B
By including nonkey columns, you can create nonclustered indexes that cover more queries. This is because the
no key columns have the following benefits:
They can be data types not allowed as index key columns.
They are not considered by the Database Engine when calculating the number of index key columns or index key size.

 

QUESTION 3
You are monitoring a Microsoft Azure SQL Database.
The database is experiencing high CPU consumption.
You need to determine which query uses the most cumulative CPU.
How should you complete the Transact-SQL statement? To answer, drag the appropriate Transact-SQL segments to
the correct locations. Each Transact-SQL segment may be used once, more than one or not at all. You may need to
drag
the split bar between panes or scroll to view content.
Select and Place:pass4itsure 70-762 exam question q3

Correct Answer:

pass4itsure 70-762 exam question q3-1

Box 1: sys.dm_exec_query_stats sys.dm_exec_query_stats returns aggregate performance statistics for cached query
plans in SQL Server. Box 2: highest_cpu_queries.total_worker_time DESC Sort ontotal_worker_time column
Example:
The following example returns information about the top five queries ranked by average CPU time.
This example aggregates the queries according to their query hash so that logically equivalent queries are grouped by
their cumulative resource consumption.
USE AdventureWorks2012;
GO
SELECT TOP 5 query_stats.query_hash AS “Query Hash”,
SUM(query_stats.total_worker_time) / SUM(query_stats.execution_count) AS “Avg CPU Time”,
MIN(query_stats.statement_text) AS “Statement Text”
FROM
(SELECT QS.*,
SUBSTRING(ST.text, (QS.statement_start_offset/2) + 1,
((CASE statement_end_offset
WHEN -1 THEN DATALENGTH(ST.text)
ELSE QS.statement_end_offset END
-QS.statement_start_offset)/2) + 1) AS statement_text FROM sys.dm_exec_query_stats AS QS CROSS APPLY
sys.dm_exec_sql_text(QS.sql_handle)as ST) as query_stats GROUP BY query_stats.query_hash ORDER BY 2
DESC;
References:
https://msdn.microsoft.com/en-us/library/ms189741.aspx

 

QUESTION 4
You have a database that contains both disk-based and memory-optimized tables.pass4itsure 70-762 exam question q4

You need to create two modules. The modules must meet the requirements described in the following table.
Which programming object should you use for each module? To answer, select the appropriate object types in the
answer area.
Hot Area:

pass4itsure 70-762 exam question q4-1

Correct Answer:

pass4itsure 70-762 exam question q4-2

Returning Data by Using OUTPUT Parameters
If you specify the OUTPUT keyword for a parameter in the procedure definition, the stored procedure can return the current value of the parameter to the calling program when the stored procedure exits.
SQL Server stored procedures, views and functions are able to use the WITH ENCRYPTION option to disguise the
contents of a particular procedure or function from discovery.
Native Compilation of Tables and Stored Procedures
In-Memory OLTP introduces the concept of native compilation. SQL Server can natively compile stored procedures that
access memory-optimized tables. SQL Server is also able to natively compile memory-optimized tables. Native
compilation
allows faster data access and more efficient query execution than interpreted (traditional) Transact-SQL. Native
compilation of tables and stored procedures produce DLLs.
References:
https://technet.microsoft.com/en-us/library/ms187004(v=sql.105).aspx
https://msdn.microsoft.com/en-us/library/dn249342.aspx

 

QUESTION 5
Note: This question is part of a series of questions that use the same scenario. For your convenience, the scenario is
repeated in each question. Each question presents a different goal and answers choices, but the text of the scenario is
exactly the same in each question in this series.
You have a database that contains the following tables: blog category, blog entry, ProductReview, Product, and
SalesPerson. The tables were created using the following Transact SQL statements:pass4itsure 70-762 exam question q5

You must modify the ProductReview Table to meet the following requirements:
The table must reference the ProductID column in the Product table
Existing records in the ProductReview table must not be validated with the Product table.
Deleting records in the Product table must not be allowed if records are referenced by the ProductReview table.
Changes to records in the Product table must propagate to the ProductReview table.
You also have the following database tables: Order, ProductTypes, and SalesHistory. The Transact-SQL statements for
these tables are not available.
You must modify the Orders table to meet the following requirements:
Create new rows in the table without granting INSERT permissions to the table.
Notify the salesperson who places an order whether or not the order was completed.
You must add the following constraints to the SalesHistory table:
a constraint on the SaleID column that allows the field to be used as a record identifier
a constant that uses the ProductID column to reference the Product column of the ProductTypes table
a constraint on the CategoryID column that allows one row with a null value in the column
a constraint that limits the SalePrice column to values greater than four
Finance department users must be able to retrieve data from the SalesHistory table for salespersons where the value
of the SalesYTD column is above a certain threshold.
You plan to create a memory-optimized table named SalesOrder. The table must meet the following requirements:
The table must hold 10 million unique sales orders.
The table must use checkpoints to minimize I/O operations and must not use transaction logging.
Data loss is acceptable.
Performance for queries against the SalesOrder table that use WHERE clauses with exact equality operations must be
optimized.
You need to modify the environment to meet the requirements for the Orders table.
What should you create?
A. an AFTER UPDATE trigger
B. a user-defined function
C. a stored procedure with output parameters
D. an INSTEAD OF INSERT trigger
Correct Answer: D
From Question: You must modify the Orders table to meet the following requirements: Create new rows in the table
without granting INSERT permissions to the table. Notify the salesperson who places an order whether or not the order
was completed.
References: https://docs.microsoft.com/en-us/sql/t-sql/statements/create-trigger-transact-sql?view=sql-server-2017

 

QUESTION 6
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains
a unique solution. Determine whether the solution meets the stated goals.
You have a database that contains a table named Employees. The table stores information about the employees of your
company.
You need to implement and enforce the following business rules:
Limit the values that are accepted by the Salary column.
Prevent salaries less than $15,000 and greater than $300,000 from being entered.
Determine valid values by using logical expressions.
Do not validate data integrity when running DELETE statements.
Solution: You implement a FOR UPDATE trigger on the table.
Does the solution meet the goal?
A. Yes
B. No
Correct Answer: B
References: http://stackoverflow.com/questions/16081582/difference-between-for-update-of-and-for-update

 

QUESTION 7
You are developing an application that connects to a database. The application runs the following jobs:pass4itsure 70-762 exam question q7

The READ_COMMITTED_SNAPSHOT database option is set to OFF, and auto-content is set to ON. Within the stored
procedures, no explicit transactions are defined.
If JobB starts before Joba, it can finish in seconds. If Joba starts first, JobB takes a long time to complete.
You need to use Microsoft SQL Server Profiler to determine whether the blocking that you observe in JobB is caused by
locks acquired by Joba.
Which trace event class in the Locks event category should you use?
A. LockAcquired
B. LockCancel
C. LockDeadlock
D. lock escalation 
Correct Answer: A
The Lock: Acquired event class indicates that acquisition of a lock on a resource, such as a data page, has been
achieved.
The Lock: Acquired and Lock: Released event classes can be used to monitor when objects are being locked, the type of
locks taken, and for how long the locks were retained. Locks retained for long periods of time may cause contention issues and should be investigated.

 

QUESTION 8
You are experiencing performance issues with the database server.
You need to evaluate schema locking issues, plan cache memory pressure points, and backup I/O problems.
What should you create?
A. a System Monitor report
B. a sys.dm_tran_database_transaction dynamic management view query
C. an Extended Events session that uses Query Editor
D. an Activity Monitor session in Microsoft SQL Management Studio.
Correct Answer: D
References: https://msdn.microsoft.com/en-us/library/hh212951.aspx

 

QUESTION 9
HOTSPOT
You are performing a code review for Transact-SQL statements.
Which action does the constraint in each statement perform? To answer, select the appropriate options in the answer
area.
NOTE: Each correct selection is worth one point.
Hot Area:pass4itsure 70-762 exam question q9

Correct Answer:

pass4itsure 70-762 exam question q9-1

 

QUESTION 10
Note: This question is part of a series of questions that present the same scenario. Each question in this series contains
a unique solution. Determine whether the solution meets the stated goals.
Your company has employees in different regions around the world. You need to create a database table that stores the
following employee attendance information: Employee ID date and time employee checked in to work date and time
employee checked out of work
Date and time information must be time zone aware and must not store fractional seconds.
Solution: You run the following Transact-SQL statement:pass4itsure 70-762 exam question q10

Does the solution meet the goal?
A. Yes
B. No
Correct Answer: A
Datetimeoffset defines a date that is combined with a time of a day that has time zone awareness and is based on a
24-hour clock.
Syntaxis: datetimeoffset [ (fractional seconds precision) ]
Forthe use “datetimeoffset(0)”, the Fractional seconds precision is 0, which is required here.
References: https://msdn.microsoft.com/en-us/library/bb630289.aspx

 

QUESTION 11
Note: This question is part of a series of questions that present the same scenario. Each question in this series contains
a unique solution. Determine whether the solution meets the stated goals. The Account table was created using the
following Transact-SQL statement:pass4itsure 70-762 exam question q11

There are more than 1 billion records in the Account table. The Account Number column uniquely identifies each
account. The ProductCode column has 100 different values. The values are evenly distributed in the table. Table
statistics are refreshed and up to date.
You frequently run the following Transact-SQL SELECT statements:

pass4itsure 70-762 exam question q11-1

You must avoid table scans when you run the queries. You need to create one or more indexes for the table. Solution:
You run the following Transact-SQL statement:

pass4itsure 70-762 exam question q11-2

Does the solution meet the goal?
A. Yes
B. No
Correct Answer: B
Create a clustered index on the AccountNumber column as it is unique, not a nonnonclustered one.
References: https://msdn.microsoft.com/en-us/library/ms190457.aspx

 

QUESTION 12
You have a database that contains three encrypted stored procedures named dbo. Proc1, dbo.Proc2 and dbo.Proc3. The
stored procedures include INSERT, UPDATE, DELETE, and BACKUP DATABASE statements. You have the following
requirements:
-You must run all the stored procedures within the same transaction.
-You must automatically start a transaction when stored procedures include DML statements.
-You must not automatically start a transaction when stored procedures include DDL statements.
You need to run all three stored procedures.
Which four Transact-SQL segments should you use to develop the solution? To answer, move the appropriate Transact-
SQL segments to the answer area and arrange them in the correct order.
Select and Place:pass4itsure 70-762 exam question q12

Correct Answer:

pass4itsure 70-762 exam question q12-1

Note:
Implicit transaction mode remains in effect until the connection executes a SET IMPLICIT_TRANSACTIONS OFF
the statement, which returns the connection to auto-commit mode. In auto-commit mode, individual statements are
committed if
they complete successfully.

pass4itsure 70-762 exam question q12-2

When a connection is in implicit transaction mode and the connection is not currently in a transaction, executing any of
the following statements starts a transaction:
Note 2: XACT_STATE returns the following values.
1 The current request has an active user transaction. The request can perform any actions, including writing data and
committing the transaction. The transaction is committable.
-1 The current request has an active user transaction, but an error has occurred that has caused the transaction to be
classified as an uncommittable transaction. the transaction is uncommittable and should be rolled back.
0 There is no active user transaction for the current request. A commit or rollback operation would generate an error.
References:
https://technet.microsoft.com/en-us/library/ms187807(v=sql.105).aspx https://technet.microsoft.com/en-
us/library/ms189797(v=sql.110).aspx

 

QUESTION 13
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains
a unique solution. Determine whether the solution meets the stated goals.
You have a database that contains a table named Employees. The table stores information about the employees of your
company.
You need to implement and enforce the following business rules:
Limit the values that are accepted by the Salary column.
Prevent salaries less than $15,000 and greater than $300,000 from being entered.
Determine valid values by using logical expressions.
Do not validate data integrity when running DELETE statements.
Solution: You implement a foreign key on the table. Does the solution meet the goal?
A. Yes
B. No
Correct Answer: B
A check constraint is needed.
References: https://en.wikipedia.org/wiki/Check_constraint

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QUESTION 86
An audit manager has just returned from an executive training program and has suggested that the audit department develop a mathematical model to help identify factors that may be causing changes in the cost of production. According to the manager, the model should recognize that the company currently has three separate production (cost) centers. Which of the following approaches would best provide the analysis suggested by the audit manager?
A. Develop a classical variables sampling estimate of cost of production per department, with the sample stratified by the dollar value of each product produced.
B. Develop a 3-year ratio analysis of the cost of production compared to the cost of raw inventory across the three departments.
C. Develop a multiple regression analysis of production costs, including such variables as raw material inventory costs, number of employees in the department, and overtime pay.
D. Develop a linear regression analysis relating the cost of production to the cost of goods sold.
70-761 exam Correct Answer: C
Explanation
Explanation/Reference:
Explanation:
Regression analysis extends correlation to find an equation for the linear relationship among variables. The behavior of a dependent variable, such as cost of production, is explained in terms of one or more independent variables (for example, raw material costs, employees, overtime). Thus, multiple regression analysis determines functional relationships among quantitative variables.
QUESTION 87
A bank has two drive-in lanes to serve customers: The technique used in analyzing the problem is best described as:
A. Simulation theory.
B. Integrated autoregressive-moving average (ARIMA) modeling.
C. Linear programming.
D. Differential calculus.
Correct Answer: A
Explanation
Explanation/Reference:
Explanation:
Answer (A) is correct. Simulation is a technique for experimenting with logical/mathematical models using a computer. Despite the power of mathematics, many
problems cannot be solved by known analytical methods because of the behavior of the variables and the complexity of their interactions. However, the performance of a quantitative model under uncertainty may be investigated by randomly selecting values for each of the variables in the model (based on the probability distribution of each variable) and then calculating the value of the solution. If this process is performed a large number of times, the distribution of results from the model will be obtained.
QUESTION 88
A bank has two drive-in lanes to serve customers:
The process of making sure that the model measures what it is supposed to measure is called:
A. Statistical inference.
B. Hypothesis testing.
C. Confidence coefficient analysis.
D. Validation.
70-761 dumps Correct Answer: D
Explanation
Explanation/Reference:
Explanation:
Validation is a step in the simulation procedure. Some assurance is needed that the results of the experiment will be realistic. This assurance requires validation of the model –often using historical data. If the model gives results equivalent to what actually happened, the model is historically valid. There is still some risk, however, that changes could make the model invalid for the future.
QUESTION 89
The marketing department of a company is deciding on the price to charge for a key product. In setting this price, marketing needs to consider the price that a major competitor will charge for a similar product because the competitor’s price will affect the demand for the company’s product. Similarly, in setting its price, the competitor will consider what the company will charge. What is an appropriate mathematical technique for analyzing such a decision?
A. Game theory.
B. Probability theory.
C. Linear programming.
D. Sensitivity analysis.
Correct Answer: A
Explanation
Explanation/Reference:
Explanation:
Game (or decision) theory is a mathematical approach to decision making when confronted with an enemy or competitor. Games are classified according to the number of players and the algebraic sum of the payoffs. In a two-person game, if the payoff is given by the loser to the winner, the algebraic sum is zero and the game is called a zero-sum game. If it is possible for both players to profit, however, the game is a positive-sum game. Mathematical models have been developed to select optimal strategies for certain simple games.
QUESTION 90
Because of the large number of factors that could affect the demand for its new product, interactions among these factors, and the probabilities associated with different values of these factors, the marketing department would like to develop a computerized model for projecting demand for this product. By using a random number procedure to generate values for the different factors .it will be able to estimate the distribution of demand for this new product. This method of estimating the distribution of demand for the new product is called:
A. Monte Carlo simulation.
B. Linear programming.
C. Correlation analysis.
D. Differential analysis.
70-761 pdf Correct Answer: A
Explanation
Explanation/Reference:
Explanation:
Simulations that use a random-number procedure to generate values for the inputs areMonte Carlo simulations.
QUESTION 91
A large fishing operation has information on the interval, time, and probabilities of shrimp schools staying beneath their fishing boats. In order to use this information to predict when and where to send their boats, which of the following techniques should be used?
A. Simulation.
B. Least squares.

C. Queuing theory.
D. Exponential smoothing.
Correct Answer: A
Explanation
Explanation/Reference:
Explanation:
Simulation is a technique for experimenting with logical and mathematical models using a computer. Because of the behavior of the many variables involved and the complexity of their interactions, many problems cannot be solved using simple algebraic formulas. The availability of computer spreadsheets makes the construction of simulation models a practical alternative for all entities.
QUESTION 92
A cost-volume-profit model developed in a dynamic environment determined that the estimated parameters used may vary between limits. Subsequent testing of
the model with respect to all possible values of the estimated parameters is termed:
A. A sensitivity analysis.
B. Statistical estimation.
C. Statistical hypothesis testing.
D. A time-series study.
70-761 vce Correct Answer: A
Explanation
Explanation/Reference:
Explanation:
After a problem has been formulated into any mathematical model, it may be subjected to sensitivity analysis. Sensitivity analysis examines how the model’s
outcomes change as the parameters change.
QUESTION 93
A company is deciding whether to purchase an automated machine to manufacture one of its products. Expected net cash flows from this decision depend on several factors, interactions among those factors, and the probabilities associated with different levels of those factors. The method that the company should use to evaluate the distribution of net cash flows from this decision and changes in net cash flows resulting from changes in levels of various factors is:
A. Simulation and sensitivity analysis.
B. Linear programming.
C. Correlation analysis.
D. Differential analysis.
Correct Answer: A
Explanation
Explanation/Reference:
Explanation:
Simulation is a technique for experimenting with logical and mathematical models using a computer. Sensitivity analysis examines how the model’s outcomes change as the parameters change.

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