MCITPMCITP(70-450)單項(xiàng)選擇題每日一練(2019.01.25)

單項(xiàng)選擇題
You are a professional level SQL Sever 2008 Database Administrator in an international corporation named Wiikigo. You are experienced in managing databases in an enterprise-level organization, optimizing and sustaining the database life cycle. In the company, your job is to implement solutions on security, troubleshooting, deployment and optimization. A SQL Server 2008 infrastructure is managed by you. There is a database in the instance, and the day-to-day business of your company requires the database. When reports are executed, slow response time will be experienced by Users. A performance monitoring strategy will be implemented by you so as to have three aspects of data captured and stored: Blocking and deadlock information, Executed Transact-SQL statements Query activity and Counters for disk, CPU, and memory. You are required to utilize the least amount of administrative effort to implement the monitoring process. Which action will you perform to finish the task?（）
A.To finish the task, the client-side profiler trace should be utilized.
B.To finish the task, the dynamic management views should be utilized.
C.To finish the task, the data collector should be utilized.
D.To finish the task, the System Monitor counter log trace should be utilized.
單項(xiàng)選擇題
You administer a SQL Server 2008 instance. The instance runs on a computer that has the following features: A 64-GB RAM Four quad-core processors Several independent physical raid volumes You plan to implement a transactional database on the instance. The database is expected to have a high volume of INSERT, UPDATE, and DELETE activities. The activities include creation of new tables. You need to optimize the performance of the database by maximizing disk bandwidth and reducing the contention in the storage allocation structures.What should you do?（）
A.Create multiple data files for the database.
B.Place database and log files on the same volume.
C.Configure the affinity mask option appropriately.
D.Configure the affinity I/O mask option appropriately.
單項(xiàng)選擇題
You administer a SQL Server 2008 instance. You plan to deploy a new database that has the following capacity requirements: 275 GB for the database data file; 50 GB for the transaction log file. The storage array has six 100-GB disk drives available for the database. The disks are attached to a redundant array of independent disks (RAID) controller that supports RAID levels 0, 1, 5, and 10. The write performance of the transaction log needs to be maximized. The database and transaction log files must be protected in the event of a drive failure. You need to design the storage system.Which storage configuration should you use?（）
A.A single RAID 5 volume
B.A single RAID 10 volume
C.A RAID 0 volume and a RAID 5 volume
D.A RAID 1 volume and a RAID 5 volume
單項(xiàng)選擇題
You are a professional level SQL Sever 2008 Database Administrator in an international corporation named Wiikigo. You are experienced in managing databases in an enterprise-level organization, optimizing and sustaining the database life cycle. In the company, your job is to implement solutions on security, troubleshooting, deployment and optimization. A SQL Server 2008 infrastructure is managed by you. A maintenance strategy should be designed for a mission-critical database, and a large table named Orders is contained by the database. Index maintenance operations are contained in the design plan. When you design the strategy, the facts listed below should be taken into consideration. First, the users continuously access to the Orders table in the database. Secondly, a column of the xml data type is contained by Orders table. Thirdly, the new rows are regularly added to the Orders table. Fourthly, the average fragmentation for the clustered index of the Orders table is no more than 2 percent. A strategy should be designed to have the performance of the queries on the table optimized. Which action will you perform?（）
A.The clustered index of the Orders table should be dropped.
B.The clustered index of the Orders table offline should be rebuilt once a month.
C.The clustered index of the Orders table should be excluded from scheduled reorganizing or rebuilding operations.
D.The clustered index of the Orders table should be reorganized by reducing the fill factor.
單項(xiàng)選擇題
You administer a SQL Server 2008 infrastructure. An instance runs on a computer that has eight quad-core processors and 128-GB RAM. Four different applications use the instance. The instance experiences a low number of CXPACKET waits. The instance also experiences a large number of lazy writer waits. You need to optimize the performance of the instance.What should you do?（）
A.Configure the Resource Governor.
B.Configure the Windows System Resource Manager.
C.Configure software non-uniform memory access (soft-NUMA).
D.Configure an increase in the maximum degree of parallelism option.

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