70-465 Exam with Lead2pass New Microsoft VCE and PDF Dumps-100 percent Pass Rate (31-40)

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QUESTION 31
Your company has offices in Seattle and Montreal. The network contains two servers named Server1 and Server2 that have SQL Server 2012 installed. Server1 is located in the Seattle office. Server2 is located in the Montreal office. The latency of the WAN link between the Montreal office and the Seattle office is more than 200 ms.
You plan to implement an AlwaysOn availability group on both servers.
You need to recommend a failover type for the availability group.
What should you recommend?

A.    Synchronous manual failover
B.    Synchronous automatic failover
C.    Asynchronous automatic failover
D.    Asynchronous manual failover

Answer: D

QUESTION 32
Drag and Drop Question
You plan to deploy a database to SQL Azure.
You are designing two stored procedures named USP_1 and USP_2 that have the following requirements:
– Prevent data read by USP_1 from being modified by other active processes.
– Allow USP_2 to perform dirty reads.
You need to recommend the isolation level for the stored procedures.
The solution must maximize concurrency.
Which isolation levels should you recommend?
To answer, drag the appropriate isolation level to the correct stored procedure in the answer area.

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Answer:

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Explanation:
Note:
* SP1: repeatable read
a repeatable read scan retains locks on every row it touches until the end of the transaction. Even rows that do not qualify for the query result remain locked. These locks ensure that the rows touched by the query cannot be updated or deleted by a concurrent session until the current transaction completes (whether it is committed or rolled back).
* SP2: read uncommitted permits repeatable reads

QUESTION 33
You have a server that has SQL Server 2012 installed. The server contains 100 user databases. You need to recommend a backup solution for the user databases.
The solution must meet the following requirements:
– Perform a transaction log backup every hour.
– Perform a full backup of each database every week.
– Perform a differential backup of each database every day.
– Ensure that new user databases are added automatically to the backup solution.
What should you recommend?
More than one answer choice may achieve the goal. Select the BEST answer.

A.    A maintenance plan
B.    SQL Server Agent jobs
C.    Policy-Based Management
D.    A Data Definition Language (DDL) trigger

Answer: A
Explanation:
Maintenance plans create a workflow of the tasks required to make sure that your database is optimized, regularly backed up, and free of inconsistencies.
Maintenance plans can be created to perform the following task (among others):
Back up the database and transaction log files. Database and log backups can be retained for a specified period. This lets you create a history of backups to be used if you have to restore the database to a time earlier than the last database backup. You can also perform differential backups.

QUESTION 34
You have a SQL Server 2014 instance named SQL1.
SQL1 creates error events in the Windows Application event log.
You need to recommend a solution that will run an application when SQL1 logs a specific error in the Application log.
Which SQL elements should you include in the recommendation?
(Each correct answer presents part of the solution. Choose all that apply.)

A.    A policy
B.    A maintenance plan
C.    An alert
D.    A job
E.    A trigger

Answer: DE
Explanation:
Use a trigger that starts a job which executes the application.

QUESTION 35
Drag and Drop Question
You plan to deploy three highly available SQL Server environments that will use SQL Server 2014. You identify the following specifications for each environment as shown following table.

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You need to recommend which high-availability feature is required for each environment.
Which features should you identify?
To answer, drag the appropriate feature to the correct requirement in the answer area.

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Answer:

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Explanation:
* Always on availability groups
he AlwaysOn Availability Groups feature is a high-availability and disaster-recovery solution that provides an enterprise-level alternative to database mirroring. Introduced in SQL Server 2012, AlwaysOn Availability Groups maximizes the availability of a set of user databases for an enterprise. Deploying AlwaysOn Availability Groups requires a Windows Server Failover Clustering (WSFC) cluster.

QUESTION 36
Drag and Drop Question
You plan to deploy a database by using SQL Server 2014.
Your company identifies the following requirements for the database:
– The name of all stored procedures must start with "usp_"always.
– All distribution statistics must be updated daily.
You need to identify which feature must be used to meet each database requirement.
Which features should you identify?
To answer, drag the appropriate feature to the correct database requirement in the answer area.

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Answer:

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Explanation:
* Policy-Based Management
Each Stored Procedure that are created and that will be created has to have prefix "USP_".
* Maintenance plans create a workflow of the tasks required to make sure that your database is optimized, regularly backed up, and free of inconsistencies.

QUESTION 37
Drag and Drop Question
You plan to deploy SQL Server 2012.
You must create two tables named Table 1 and Table 2 that will have the following specifications:
– Table1 will contain a date column named Column1 that will contain a null value approximately 80 percent of the time.
– Table2 will contain a column named Column2 that is the product of two other columns in Table2.
Both Table1 and Table2 will contain more than 1 million rows.
You need to recommend which options must be defined for the columns. The solution must minimize the storage requirements for the tables.
Which options should you recommend?
To answer, drag the appropriate options to the correct column in the answer area.

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Answer:

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Explanation:
http://msdn.microsoft.com/en-us/library/cc280604.aspx
http://msdn.microsoft.com/en-us/library/ms186241.aspx

QUESTION 38
You manage a SQL Server 2014 instance that contains a database named DB1.
Users report that some queries to DB1 take longer than expected. Although most queries run in less than one second, some queries take up to 20 seconds to run.
You need to view all of the performance statistics for each database file.
Which method should you use?

A.    Query the sys.dm_os_tasks dynamic management view.
B.    Query the sys.dm_os_performance_counters dynamic management view.
C.    Query the sys.dm_io_virtual_file_stats dynamic management function.
D.    Examine the Data File I/O pane in Activity Monitor.

Answer: C
Explanation:
sys.dm_io_virtual_file_stats
Returns I/O statistics for data and log files.

QUESTION 39
You are creating a database that will store usernames and credit card numbers for an application. You need to recommend a solution to store and resuse the credit card numbers in the database. What should you recommend?
More than one answer choice may achieve the goal. Select the BEST answer.

A.    Data encryption
B.    Transparent Data Encryption (TDE)
C.    Encrypting File System (EFS)
D.    Data hashing

Answer: A
Explanation:
If we are going to encrypt credit card number for storage, then we should have Data Encryption Key(DEK) for encrypting the credit card number.

QUESTION 40
You need to recommend an isolation level for usp_UpdateOrderDetails.
Which isolation level should recommend?

A.    Read committed
B.    Repeatable read
C.    Read uncommitted
D.    Serializable

Answer: B
Explanation:
* Scenario: Databasel will also contain a stored procedure named usp_UpdateOrderDetails. The stored procedure is used to update order information. The stored procedure queries the Orders table twice each time the procedure executes. The rows returned from the first query must be returned on the second query unchanged along with any rows added to the table between the two read operations.
* REPEATABLE READ
Specifies that statements cannot read data that has been modified but not yet committed by other transactions and that no other transactions can modify data that has been read by the current transaction until the current transaction completes.

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