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2021 Mar 70-462 practice test
Q31. You are migrating a database named Orders to a new server that runs Microsoft SQL Server 2012.
You attempt to add the [CorpnetUser1] login to the database. However, you receive the following error message:
"User already exists in current database."
You need to configure the [CorpnetUser1] login to be able to access the Orders database and retain the original permissions. You need to achieve this goal by using the minimum required permissions.
Which Transact-SQL statement should you use?
A. DROP USER [User1];
CREATE USER [CorpnetUser1] FOR LOGIN [CorpnetUser1];
ALTER ROLE [db_owner] ADD MEM3ER [CorpnetUser1];
B. ALTER SERVER RCLS Isysadmin] ADD MEMBER [CorpnetUser1];
C. ALTER USER [CorpnetUser1] WITH LOGIN [CorpnetUser1];
D. ALTER ROLE [db owner] ADD MEMBBR [CorpnetUser1];
Answer: C
Q32. You administer a Microsoft SQL Server 2012 server. The MSSQLSERVER service uses a domain account named CONTOSOSQLService.
You plan to configure Instant File Initialization.
You need to ensure that Data File Autogrow operations use Instant File Initialization.
What should you do? Choose all that apply.
A. Restart the SQL Server Agent Service.
B. Disable snapshot isolation.
C. Restart the SQL Server Service.
D. Add the CONTOSOSQLService account to the Perform Volume Maintenance Tasks local security policy.
E. Add the CONTOSOSQLService account to the Server Operators fixed server role.
F. Enable snapshot isolation.
Answer: CD
Q33. You plan to install Microsoft SQL Server 2012 for a web hosting company.
The company plans to host multiple web sites, each supported by a SQL Server database.
You need to select an edition of SQL Server that features backup compression of databases, basic data integration features, and low total cost of ownership.
Which edition should you choose?
A. Express Edition with Tools
B. Standard Edition
C. Web Edition
D. Express Edition with Advanced Services
Answer: B
Q34. You administer a Microsoft SQL Server 2012 database. The database has a table named Customers owned by UserA and another table named Orders owned by UserB. You also have a stored procedure named GetCustomerOrderInfo owned by UserB. GetCustomerOrderInfo selects data from both tables.
You create a new user named UserC.
You need to ensure that UserC can call the GetCustomerOrderInfo stored procedure. You also need to assign only the minimum required permissions to UserC.
Which permission or permissions should you assign to UserC? Choose all that apply.
A. The Select permission on Customers
B. The Execute permission on GetCustomerOrderInfo
C. The Take Ownership permission on Customers
D. The Control permission on GetCustomerOrderInfo
E. The Take Ownership permission on Orders
F. The Select permission on Orders
Answer: AB
Q35. You use Microsoft SQL Server 2012 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
Answer: C
Up to the immediate present 70-462 free question:
Q36. You administer a SQL 2012 server that contains a database named SalesDB. SalesDb contains a schema named Customers that has a table named Regions. A user named UserA is a member of a role named Sales.
UserA is granted the Select permission on the Regions table. The Sales role is granted the Select permission on the Customers schema.
You need to remove the Select permission for UserA on the Regions table. You also need to ensure that UserA can still access all the tables in the Customers schema, including the Regions table, through the Sales role permissions.
Which Transact-SQL statement should you use?
A. DENY SELECT ON Object::Regions FROM UserA
B. DENY SELECT ON Schema::Customers FROM UserA
C. EXEC sp_addrolemember 'Sales', 'UserA'
D. REVOKE SELECT ON Object::Regions FROM UserA
E. REVOKE SELECT ON Object::Regions FROM Sales
F. EXEC sp_droproiemember 'Sales', 'UserA'
G. REVOKE SELECT ON Schema::Customers FROM UserA
H. DENY SELECT ON Object::Regions FROM Sales
I. DENY SELECT ON Schema::Customers FROM Sales
J. REVOKE SELECT ON Schema::Customers FROM Sales
Answer: D
Q37. You administer a Microsoft SQL Server 2012 database that includes a table named Application.Events. Application.Events contains millions of records about user activity in an application.
Records in Application.Events that are more than 90 days old are purged nightly. When records are purged, table locks are causing contention with inserts.
You need to be able to modify Application.Events without requiring any changes to the applications that utilize Application.Events.
Which type of solution should you use?
A. Partitioned tables
B. Online index rebuild
C. Change data capture
D. Change tracking
Answer: A
Q38. You administer all the deployments of Microsoft SQL Server 2012 in your company. You have two servers in the same data center that hosts your production database.
You need to ensure that the database remains available if a catastrophic server failure or a disk failure occurs.
You also need to maintain transactional consistency of the data across both servers.
You need to achieve these goals without manual intervention.
Which configuration should you use?
A. . Two servers configured in a Windows Failover Cluster in the same data center
. SQL Server configured as a clustered instance
B. . SQL Server that includes an application database configured to perform transactional replication
C. . Two servers configured in the same data center
. A primary server configured to perform log-shipping every 10 minutes
. A backup server configured as a warm standby
D. . Two servers configured in different data centers
. SQL Server Availability Group configured in Synchronous-Commit Availability Mode
. One server configured as an Active Secondary
E. . Two servers configured in the same data center
. SQL Server Availability Group configured in Asynchronous-Commit Availability Mode
. One server configured as an Active Secondary
F. . Two servers configured in different data centers
. SQL Server Availability Group configured in Asynchronous-Commit Availability Mode
G. . SQL Server that includes an application database configured to perform snapshot replication
H. . Two servers configured on the same subnet
. SQL Server Availability Group configured in Synchronous-Commit Availability Mode
Answer: H
Q39. You create a table that has the StudentCode, SubjectCode, and Marks columns to record mid-year marks for students. The table has marks obtained by 50 students for various subjects.
You need to ensure that the top half of the students arranged by their average marks must be given a rank of 1 and the remaining students must be given a rank of 2.
Which Transact-SQL query should you use?
A. SELECT StudentCode as Code,
RANK() OVER (ORDER BY AVG (Marks) DESC) AS Value
FROM StudentMarks
GROUP BY StudentCode
B. SELECT Id, Name, Marks,
DENSE_RANK() OVER (ORDER BY Marks DESC) AS Rank
FROM StudentMarks
C. SELECT StudentCode as Code,
DENSE_RANK() OVER (ORDER BY AVG (Marks) DESC) AS Value
FROM StudentMarks
GROUP BY StudentCode
D. SELECT StudentCode as Code,
NTILE (2) OVER (ORDER BY AVG (Marks) DESC) AS Value
FROM StudentMarks
GROUP BY StudentCode
E. SELECT StudentCode AS Code,Marks AS Value FROM (
SELECT StudentCode, Marks AS Marks,
RANK() OVER (PARTITION BY SubjectCode ORDER BY Marks ASC) AS Rank
FROM StudentMarks) tmp
WHERE Rank = 1
F. SELECT StudentCode AS Code,Marks AS Value FROM (
SELECT StudentCode, Marks AS Marks,
RANK() OVER (PARTITION BY SubjectCode ORDER BY Marks DESC) AS Rank
FROM StudentMarks) tmp
WHERE Rank = 1
G. SELECT StudentCode AS Code,Marks AS Value FROM ( SELECT StudentCode, Marks AS Marks, RANK () OVER (PARTITION BY StudentCode ORDER BY Marks ASC) AS Rank FROM StudentMarks) tmp WHERE Rank = 1
H. SELECT StudentCode AS Code,Marks AS Value FROM ( SELECT StudentCode, Marks AS Marks, RANXO OVER (PARTITION BY StudentCode ORDER BY Marks DESC) AS Rank FROM StudentMarks) tmp WHERE Rank = 1
Answer: D
Q40. You administer a Microsoft SQL Server 2012 database.
The database contains a Product table created by using the following definition:
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
