单选题A virus scanner is running on a computer and scans all files currently in use. Why should a full scan be performed periodically?（）A Files not accessed recently may contain a virus.B A full scan optimizes all files on the hard drive.C A full scan resets

第1题：

Which  statements are true about checkpointing（）

• A、The checkpoint frequency decreases with the smaller redo log file size.
• B、It ensures that all committed data is written to the data files during normal shutdown.
• C、The frequent full checkpoint in a database can cause the overall degradation of the database performance.
• D、It prompts the Checkpoint （CKPT） process to write data to the data files and redo information to the onlineredo log files

第2题：

A virus scanner is running on a computer and scans all files currently in use. Why should a full scan be performed periodically?（）

• A、Files not accessed recently may contain a virus.
• B、A full scan optimizes all files on the hard drive.
• C、A full scan resets the archive bit on the file.
• D、Active antivirus software only scans the C:/WINDOWS directory.

第3题：

A HDD is almost full and constantly reads and writes data. Which of the following tools may repair files on the HDD?（）

• A、MSCONFIG
• B、EFS
• C、CHKDSK
• D、DEFRAG

第4题：

You are using Oracle Database 10g. Which statement regarding an incomplete recovery is true？（）

• A、 You do not need to restore all the data files.
• B、 You do not need to open the database with the RESETLOGS operation
• C、 You do not need to perform a full backup after the RESETLOGS operation.
• D、 You do not need to recover all the data files to the same system change number （SCN）.

第5题：

All of the client computers in your company’s network are Windows 2000 portable computers. A usernamed Maria stores Sales files in her My Documents folder. She uses these files when she travels.  Mariainforms you that when she takes her portable computer to trade shows, she can access some of the Salesfiles but not all of them. When her portable computer is connected to the network at the office, she canaccess all of the files.You need to enable Maria to access all of the files in her My Documents folder when she is working remotely.  What should you do? （）

• A、 Allow Maria full control permissions on the %systemroot%/Documents and Settings/Maria/My      Documents folder. 
• B、 Allow Maria full control permissions on the %systemroot%/ Documents and Settings/All Users/My Documents folder. 
• C、 Configure Maria’s computer to automatically copy the entire contents of her network My Documents folder to her offline files folder. 
• D、 Configure Maria’s computer to automatically copy the entire contents of her network My  Documents folder to her local My Documents folder. 

第6题：

You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named DB1 in the instance. The latest differential backup is performed at 15:30, the full back up was performed at 13:30, and database snapshots were created at 16:30 and at 17:30. The backups and the database snapshots are stored on a different disk from the database files. At 17:05, the hard disk containing the database files fails at 17:02 hours. You must restore DB1 while reduce data loss to the least.  So what action should you perform to achieve this goal?（）  

• A、You should restore the full backup 
• B、You should restore the database snapshot from 16:30 hours. 
• C、You should restore the database snapshot from 17:30 hours 
• D、You should restore both the full backup and the differential backup. 

第7题：

Kevin, the Software Developer of Perfect Solution Inc., recently left his job. The company's Administrator moves all of his home folder files to his Manager's home folder. The NTFS partition that contains the home folders has the Encrypting File System (EFS) enabled. When the Manager attempts to open Kevin's files, he is denied access.   What should be done, so that the Manager can access those files with least administrative burden? （）

• A、Grant the Manager NTFS Full Control permission to the files.
• B、Grant the Manager the NTFS Take Ownership permission to the files.
• C、Logon to the network as a Recovery Agent. Decrypt the files for the Manager.
• D、Logon to the network as a member of Backup Operators group. Decrypt the files for the Manager.

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第13题：

Which of the following best describes a full backup? （）

• A、All datafiles of a database 
• B、All datafiles, archive logs, and control files 
• C、All datafiles and control files 
• D、All the used blocks in a datafile

第14题：

A technician finished installing antivirus software. Which of the following should the technician perform NEXT?（）

• A、Run a full scan on the local disk.
• B、Remove infected files.
• C、Update antivirus signatures.
• D、Quarantine infected files

第15题：

The CHKDSK /R command allows a technician to：（）

• A、perform an exhaustive disk check， locate bad sectors， and recover readable information.
• B、set a disk as read-only， perform an exhaustive disk check and repair bad sectors.
• C、scan and verify the versions of all protected system files using the tools default operation.
• D、consolidate fragmented files and folders on the computers hard disk.

第16题：

You are a help desk technician for your company. All employees use Windows XP Professional computers. A salesperson named Philippe receives a removable disk drive cartridge from his supervisor. Philippe now reports that he cannot edit files on the cartridge. When he tries to open any files or folders on the cartridge, he receives an “access denied” error message. Philippe’s supervisor is currently out of the office. You place the cartridge in the removable drive on your computer. You receive the same “access denied” error message when you try to access the files and folders. You call Philippe’s supervisor. She asks you to grant permission to access the contents of the cartridge only to Philippe. However, she also wants to prevent Philippe from changing permissions on the contents of the cartridge. Which two actions should you take?（）

• A、As Administrator, take ownership of the files and folders. 
• B、As Administrator, grant your help desk user account Allow - Full Control permission on the files and folders.
• C、Grant Philippe Allow - Modify permission on the files and folders.
• D、Grant Philippe Allow - Full Control permission on the files and folders.
• E、Grant Philippe Allow - Take Ownership permission on the files and folders. 

第17题：

All of the client computers in your company network are Windows 2000 portable computers. A user named Maria stores Sales files in her My Documents folder. She uses these files when she travels. Maria informs you that when she takes her portable computer to trade shows， she can access some of the Sales files but not all of them. When her portable computer is connected to the network at the office， she can access all of the files. You need to enable Maria to access all of the files in her My Documents folder when she is working remotely. What should you do？（）

• A、 Allow Maria full control permissions on the %systemroot%/documents and  settings/Maria/MyDocuments folder
• B、 Allow Maria full control permissions on the %systemroot%/documents and settings/all  users/My Documents folder
• C、 Configure Maria’s computer to automatically copy the entire contents of her network My  Documents folder to her offline files folder.
• D、 Configure Maria’s computer to automatically copy the entire contents of her network My  Documents folder to her local My Documents folder. 

第18题：

You have a server that runs Windows Server 2003 Service Pack 2 (SP2). You back up the shared folders on the servers by using the following schedule: ·Full backup at 01:00 every Sunday ·Incremental backup at 01:00 every Monday to Friday On a Wednesday afternoon, the hard disk drive that contains the shared folders fails. You need to restore the latest version of all files in the shared folders. The solution must use as few backup tapes as possible. What should you restore? （）

• A、the files from the full backup
• B、the files from the full backup and from the Monday, Tuesday, and Wednesday backups
• C、the files from the full backup and from the Wednesday backup
• D、the files from the Wednesday backup

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