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最新的 MCSA 70-457 免費考試真題:

1. You administer a Microsoft SQL Server 2012 database named ContosoDb. The database contains a table named Suppliers and a column named IsActive in the Purchases schema. You create a new user named ContosoUser in ContosoDb. ContosoUser has no permissions to the Suppliers table. You need to ensure that ContosoUser can delete rows that are not active from Suppliers. You also need to grant ContosoUser only the minimum required permissions. Which Transact-SQL statement should you use?

A) GRANT SELECT ON Purchases.Suppliers TO ContosoUser
B) GRANT DELETE ON Purchases.Suppliers TO ContosoUser
C) CREATE PROCEDURE Purchases.PurgeInactiveSuppliers AS DELETE FROM Purchases.Suppliers WHERE IsActive = 0
GO
GRANT EXECUTE ON Purchases.PurgeInactiveSuppliers TO ContosoUser
D) CREATE PROCEDURE Purchases.PurgeInactiveSuppliers WITH EXECUTE AS USER = 'dbo' AS DELETE FROM Purchases.Suppliers WHERE IsActive = 0 GO GRANT EXECUTE ON Purchases.PurgelnactiveSuppliers TO ContosoUser

2. You administer a SQL Server 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 ensure that UserA is disallowed to select from any of the tables in the Customers schema. Which Transact-SQL statement should you use?

A) EXEC sp_addrolemember 'Sales', 'UserA'
B) DENY SELECT ON Object::Regions FROM Sales
C) DENY SELECT ON Object::Regions FROM UserA
D) EXEC sp droprolemember 'Sales', 'UserA'
E) DENY SELECT ON Schema::Customers FROM Sales
F) REVOKE SELECT ON Schema::Customers FROM Sales
G) REVOKE SELECT ON Object::Regions FROM Sales
H) DENY SELECT ON Schema::Customers FROM UserA
I) REVOKE SELECT ON Object::Regions FROM UserA
J) REVOKE SELECT ON Schema::Customers FROM UserA

3. You administer two Microsoft SQL Server 2012 servers. Each server resides in a different, untrusted domain. You plan to configure database mirroring. You need to be able to create database mirroring endpoints on both servers. What should you do?

A) Use a database certificate.
B) Use a server certificate.
C) Configure the SQL Server service account to use Network Service.
D) Configure the SQL Server service account to use Local System.

4. You administer a Microsoft SQL Server 2012 database. All database traffic to the SQL Server must be encrypted by using secure socket layer (SSL) certificates or the connection must be refused. Network
administrators have deployed server certificates to the Windows store of all Windows servers on the
network from a trusted Certificate Authority. This is the only Certificate Authority allowed to distribute
certificates on the network.
You enable the Force Encryption flag for the MSSQLServer protocols, but client computers are unable to
connect. They receive the following error message:
"A connection was successfully established with the server, but then an error occurred during the pre-login
handshake, (provider: SSL Provider, error: 0 - The certificate chain was issued by an authority that is not
trusted.) (Microsoft SQL Server)"
You notice the following entry in the SQL Server log:
"A self-generated certificate was successfully loaded for encryption."
You need to configure SQL Server to encrypt all client traffic across the network. You also need to ensure
that client computers are able to connect to the server by using a trusted certificate. 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.)
Build List and Reorder:

5. You administer all the deployments of Microsoft SQL Server 2012 in your company. You need to ensure that an OLTP database that uses a storage area network (SAN) remains available if any of the servers fail. You also need to minimize the amount of storage used by the database. Which configuration should you use?

A) * Two servers configured in different data centers * SQL Server Availability Group configured in Synchronous-Commit Availability Mode * One server configured as an Active Secondary
B) * 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
C) * 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
D) * Two servers configured in a Windows Failover Cluster in the same data center * SQL Server configured as a clustered instance
E) * SQL Server that includes an application database configured to perform transactional replication
F) * SQL Server that includes an application database configured to perform snapshot replication
G) * Two servers configured on the same subnet * SQL Server Availability Group configured in Synchronous-Commit Availability Mode
H) * Two servers configured in different data centers * SQL Server Availability Group configured in Asynchronous-Commit Availability Mode

問題與答案：