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    QUESTION 51
    You administer a Microsoft SQL Server 2012 database.
    The database contains a Product table created by using the following definition:

    511

    You need to ensure that the minimum amount of disk space is used to store the data in the Product table.
    What should you do?

    A.    Convert all indexes to Column Store indexes.
    B.    Implement Unicode Compression.
    C.    Implement row-level compression.
    D.    Implement page-level compression.

    Answer: D
    Explanation:
    Incorrect Answers:
    A: Only a single index is used.
    B: Unicode compression supports the fixed-length nchar(n) and nvarchar(n) data types.
    C: Row-level compression does not affect VARCHAR och CHAR columns.
    https://docs.microsoft.com/en-us/sql/relational-databases/data-compression/data-compression
    https://docs.microsoft.com/en-us/sql/relational-databases/data-compression/page-compression-implementation
    https://docs.microsoft.com/en-us/sql/relational-databases/data-compression/row-compression-implementation

    QUESTION 52
    You administer a Microsoft SQL Server 2012 instance.
    After a routine shutdown, the drive that contains tempdb fails.
    You need to be able to start the SQL Server.
    What should you do?

    A.    Modify tempdb location in startup parameters.
    B.    Start SQL Server in minimal configuration mode.
    C.    Start SQL Server in single-user mode.
    D.    Configure SQL Server to bypass Windows application logging.

    Answer: B
    Explanation:
    If you have configuration problems that prevent the server from starting, you can start an instance of Microsoft SQL Server by using the minimal configuration startup option.
    When you start an instance of SQL Server in minimal configuration mode, note the following:
    Only a single user can connect, and the CHECKPOINT process is not executed.
    Remote access and read-ahead are disabled.
    Startup stored procedures do not run.
    tempdb is configured at the smallest possible size.
    https://docs.microsoft.com/en-us/sql/database-engine/configure-windows/start-sql-server-with-minimal-configuration

    QUESTION 53
    You administer a single server that contains a Microsoft SQL Server 2012 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.

    Answer: B
    Explanation:
    https://docs.microsoft.com/en-us/sql/sql-server/install/work-with-multiple-versions-and-instances-of-sql-server

    QUESTION 54
    You administer a Microsoft SQL Server 2012 Enterprise Edition server that uses 64 cores.
    You discover performance issues when large amounts of data are written to tables under heavy system load.
    You need to limit the number of cores that handle I/O.
    What should you configure?

    A.    Processor affinity
    B.    Lightweight pooling
    C.    Max worker threads
    D.    I/O affinity

    Answer: D
    Explanation:
    The affinity Input-Output (I/O) mask Server Configuration Option.
    To carry out multitasking, Microsoft Windows 2000 and Windows Server 2003 sometimes move process threads among different processors. Although efficient from an operating system point of view, this activity can reduce Microsoft SQL Server performance under heavy system loads, as each processor cache is repeatedly reloaded with data. Assigning processors to specific threads can improve performance under these conditions by eliminating processor reloads; such an association between a thread and a processor is called processor affinity.
    http://msdn.microsoft.com/en-us/library/ms189629.aspx

    QUESTION 55
    You administer a Microsoft SQL Server 2012 instance that contains a financial database hosted on a storage area network (SAN).
    The financial database has the following characteristics:

    – A data file of 2 terabytes is located on a dedicated LUN (drive D).
    – A transaction log of 10 GB is located on a dedicated LUN (drive E).
    – Drive D has 1 terabyte of free disk space.
    – Drive E has 5 GB of free disk space.

    The database is continually modified by users during business hours from Monday through Friday between 09:00 hours and 17:00 hours. Five percent of the existing data is modified each day.
    The Finance department loads large CSV files into a number of tables each business day at 11:15 hours and 15:15 hours by using the BCP or BULK INSERT commands. Each data load adds 3 GB of data to the database.
    These data load operations must occur in the minimum amount of time.
    A full database backup is performed every Sunday at 10:00 hours. Backup operations will be performed every two hours (11:00, 13:00, 15:00, and 17:00) during business hours.
    You need to ensure that your backup will continue if any invalid checksum is encountered.
    Which backup option should you use?

    A.    STANDBY
    B.    Differential
    C.    FULL
    D.    CHECKSUM
    E.    BULK_LOGGED
    F.    CONTINUE_AFTER_ERROR
    G.    SIMPLE
    H.    DBO_ONLY
    I.    COPY_ONLY
    J.    SKIP
    K.    RESTART
    L.    Transaction log
    M.    NO_CHECKSUM
    N.    NORECOVERY

    Answer: F
    Explanation:
    The CONTINUE_AFTER_ERROR option, of the Transact-SQL BACKUP command, instructs BACKUP to continue despite encountering errors such as invalid checksums or torn pages.
    https://docs.microsoft.com/en-us/sql/t-sql/statements/backup-transact-sql

    QUESTION 56
    You administer a Microsoft SQL Server 2012 instance that contains a financial database hosted on a storage area network (SAN).
    The financial database has the following characteristics:

    – A data file of 2 terabytes is located on a dedicated LUN (drive D).
    – A transaction log of 10 GB is located on a dedicated LUN (drive E).
    – Drive D has 1 terabyte of free disk space.
    – Drive E has 5 GB of free disk space.

    The database is continually modified by users during business hours from Monday through Friday between 09:00 hours and 17:00 hours. Five percent of the existing data is modified each day.
    The Finance department loads large CSV files into a number of tables each business day at 11:15 hours and 15:15 hours by using the BCP or BULK INSERT commands. Each data load adds 3 GB of data to the database.
    These data load operations must occur in the minimum amount of time.
    A full database backup is performed every Sunday at 10:00 hours. Backup operations will be performed every two hours (11:00, 13:00, 15:00, and 17:00) during business hours.
    On Wednesday at 10:00 hours, the development team requests you to refresh the database on a development server by using the most recent version.
    You need to perform a full database backup that will be restored on the development server.
    Which backup option should you use?

    A.    NORECOVERY
    B.    FULL
    C.    NO_CHECKSUM
    D.    CHECKSUM
    E.    Differential
    F.    BULK_LOGGED
    G.    STANDBY
    H.    RESTART
    I.    SKIP
    J.    Transaction log
    K.    DBO ONLY
    L.    COPY_ONLY
    M.    SIMPLE
    N.    CONTINUE AFTER ERROR

    Answer: L
    Explanation:
    COPY_ONLY specifies that the backup is a copy-only backup, which does not affect the normal sequence of backups. A copy-only backup is created independently of your regularly scheduled, conventional backups. A copy-only backup does not affect your overall backup and restore procedures for the database.
    https://docs.microsoft.com/en-us/sql/t-sql/statements/backup-transact-sql

    QUESTION 57
    You administer a Microsoft SQL Server 2012 instance that contains a financial database hosted on a storage area network (SAN).
    The financial database has the following characteristics:

    – A data file of 2 terabytes is located on a dedicated LUN (drive D).
    – A transaction log of 10 GB is located on a dedicated LUN (drive E).
    – Drive D has 1 terabyte of free disk space.
    – Drive E has 5 GB of free disk space.

    The database is continually modified by users during business hours from Monday through Friday between 09:00 hours and 17:00 hours. Five percent of the existing data is modified each day.
    The Finance department loads large CSV files into a number of tables each business day at 11:15 hours and 15:15 hours by using the BCP or BULK INSERT commands. Each data load adds 3 GB of data to the database.
    These data load operations must occur in the minimum amount of time.
    A full database backup is performed every Sunday at 10:00 hours. Backup operations will be performed every two hours (11:00, 13:00, 15:00, and 17:00) during business hours.
    You need to ensure that the minimum amount of data is lost.
    Which recovery model should the database use?

    A.    NORECOVERY
    B.    FULL
    C.    NO_CHECKSUM
    D.    CHECKSUM
    E.    Differential
    F.    BULK_LOGGED
    G.    STANDBY
    H.    RESTART
    I.    SKIP
    J.    Transaction log
    K.    DBO ONLY
    L.    COPY_ONLY
    M.    SIMPLE
    N.    CONTINUE AFTER ERROR

    Answer: B
    Explanation:
    The full recovery model requires log backups. No work is lost due to a lost or damaged data file. Can recover to a specific point in time, assuming that your backups are complete up to that point in time.
    Incorrect Answers:
    F: The bulk logged recovery model can recover to the end of any backup. Point-in-time recovery is not supported.
    M: The simple recovery model can recover only to the end of a backup.
    https://docs.microsoft.com/en-us/sql/relational-databases/backup-restore/recovery-models-sql-server

    QUESTION 58
    You administer a Microsoft SQL Server 2012 instance that contains a financial database hosted on a storage area network (SAN).
    The financial database has the following characteristics:

    – A data file of 2 terabytes is located on a dedicated LUN (drive D).
    – A transaction log of 10 GB is located on a dedicated LUN (drive E).
    – Drive D has 1 terabyte of free disk space.
    – Drive E has 5 GB of free disk space.

    The database is continually modified by users during business hours from Monday through Friday between 09:00 hours and 17:00 hours. Five percent of the existing data is modified each day.
    The Finance department loads large CSV files into a number of tables each business day at 11:15 hours and 15:15 hours by using the BCP or BULK INSERT commands. Each data load adds 3 GB of data to the database.
    These data load operations must occur in the minimum amount of time.
    A full database backup is performed every Sunday at 10:00 hours. Backup operations will be performed every two hours (11:00, 13:00, 15:00, and 17:00) during business hours.
    You need to ensure that the backup size is as small as possible.
    Which backup should you perform every two hours?

    A.    NORECOVERY
    B.    FULL
    C.    NO_CHECKSUM
    D.    CHECKSUM
    E.    Differential
    F.    BULK_LOGGED
    G.    STANDBY
    H.    RESTART
    I.    SKIP
    J.    Transaction log
    K.    DBO ONLY
    L.    COPY_ONLY
    M.    SIMPLE
    N.    CONTINUE AFTER ERROR

    Answer: J
    Explanation:
    Minimally, you must have created at least one full backup before you can create any log backups. After that, the transaction log can be backed up at any time unless the log is already being backed up.
    https://docs.microsoft.com/en-us/sql/relational-databases/backup-restore/transaction-log-backups-sql-server

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    QUESTION 41
    You have a server named Serverl that is hosted in an Azure virtual machine.
    Server1 contains the following:

    – One instance of SQL Server 2016 Enterprise
    – 10 databases
    – 500 stored procedures

    You have a database named Databasel that is hosted on Server1.
    Database1 contains 100 queries that are executed dynamically from web applications.
    You plan to remove data from the procedure cache on Database1.
    You have the following requirements:

    – Changes to Database1 must not affect other databases that are hosted on Server1
    – Changes to Database1 must not affect the performance of queries that are stored in other databases.
    – The solution must minimize administrative effort.

    You need to remove the data from the procedure cache as quickly as possible.
    What should you do?

    A.    Run DBCC FREEPROCCACHE.
    B.    Run ALTER DATABASE SCOPED CONFIGURATION CLEAR PROCEDURE CACHE in the context of Database 1.
    C.     Run DBCC DROPCLEANBUFFERS.
    D.     Write a script that iterates through each stored procedure definition and add WITH RECOMPILE to the definition.

    (more…)

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    QUESTION 31
    Hotspot Question
    You need to open the firewall ports for use with SQL Server environment.
    In table below, identify the firewall port that you must use for each service.
    NOTE: Make only one selection in each column. (more…)

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    QUESTION 1
    Hotspot Question
    You use Resource Manager to deploy a new Microsoft SQL Server instance in a Microsoft Azure virtual machine (VM) that uses Premium storage. The combined initial size of the SQL Server user database files is expected to be over 200 gigabytes (GB).
    You must maximize performance for the database files and the log file.
    You add the following additional drive volumes to the VM: (more…)

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    QUESTION 76
    You administer a Microsoft SQL Server 2012 database.
    You configure Transparent Data Encryption (TDE) on the Orders database by using the following statements:

    CREATE MASTER KEY ENCRYPTION BY PASSWORD = ‘MyPassword1!’
    CREATE CERTIFICATE TDE_Certificate WITH SUBJECT = ‘TDE Certificate’;
    BACKUP CERTIFICATE TDE_Certificate TO FILE = ”d:\TDE_Certificate.cer’ WITH PRIVATE KEY (FILE = ‘D:\TDE_Certificate.key’,
    ENCRYPTION BY PASSWORD = ‘MyPassword1!’);
    CREATE DATABASE ENCRYPTION KEY
    WITH ALGORITHM = AES_256
    ENCRYPTION BY SERVER CERTIFICATE TDE_Certificate;
    ALTER DATABASE Orders SET ENCRYPTION ON;

    You attempt to restore the Orders database and the restore fails.
    You copy the encryption file to the original location.
    A hardware failure occurs and so a new server must be installed and configured.
    After installing SQL Server to the new server, you restore the Orders database and copy the encryption files to their original location. However, you are unable to access the database.
    You need to be able to restore the database.
    Which Transact-SQL statement should you use before attempting the restore?

    A.    ALTER DATABASE Master SET ENCRYPTION OFF;
    B.    CREATE CERTIFICATE TDE_Certificate FROM FILE = ‘d:\TDE_Certificate.cer’ WITH PRIVATE KEY (FILE = ‘D:\TDE_Certificate.key’,
    DECRYPTION BY PASSWORD = ‘MyPassword1!’);
    C.    CREATE CERTIFICATE TDE_Certificate WITH SUBJECT = ‘TDE Certificate’; USE Orders; CREATE DATABASE ENCRYPTION KEY
    WITH ALGORITHM = AES_256
    ENCRYPTION BY SERVER CERTIFICATE TDE_Certificate;
    D.    CREATE CERTIFICATE TDE_Certificate FROM FILE = ‘d:\TDE_Certificate.cer’;

    (more…)

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    QUESTION 61
    You administer a Microsoft SQL Server 2012 database that contains a table named OrderDetail.
    You discover that the NCI_OrderDetail_CustomerID non-clustered index is fragmented.
    You need to reduce fragmentation. You need to achieve this goal without taking the index offline.
    Which Transact-SQL batch should you use?

    A.    CREATE INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID WITH DROP EXISTING
    B.    ALTER INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID REORGANIZE
    C.    ALTER INDEX ALL ON OrderDetail REBUILD
    D.    ALTER INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID REBUILD

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    QUESTION 46
    You administer a Microsoft SQL Server 2012 database.
    Users report that an application that accesses the database displays an error, but the error does not provide meaningful information.
    No entries are found in the SQL Server log or Windows event logs related to the error.
    You need to identify the root cause of the issue by retrieving the error message.
    What should you do?

    A.    Create an Extended Events session by using the sqlserver.error_reported event.
    B.    Create a SQL Profiler session to capture all ErrorLog and EventLog events.
    C.    Flag all stored procedures for recompilation by using sp_recompile.
    D.    Execute sp_who.

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    QUESTION 31
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    You need to open the firewall ports for use with SQL Server environment.
    In table below, identify the firewall port that you must use for each service.
    NOTE: Make only one selection in each column.

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    QUESTION 16
    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 stated goals.

    You manage a Microsoft SQL Server environment with several databases.
    You need to ensure that queries use statistical data and do not initialize values for local variables.
    Solution: You enable the QUERY_OPTIMIZER_HOTFIXES option for the databases.
    Does the solution meet the goal?

    A.    Yes
    B.    No

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    QUESTION 1
    Hotspot Question
    You use Resource Manager to deploy a new Microsoft SQL Server instance in a Microsoft Azure virtual machine (VM) that uses Premium storage. The combined initial size of the SQL Server user database files is expected to be over 200 gigabytes (GB).
    You must maximize performance for the database files and the log file.
    You add the following additional drive volumes to the VM:

    (more…)

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