单选题A large corporation is concerned about the amount of time it takes to back up their main file server. They are also concerned that their IT technician frequently forgets to change the backup tapes， thereby leaving the company open to data loss. Which b

第1题：

A network technician is concerned about the environmental effects of power consumption and heat from network resources Limited space is also a concern. Which of the following technologies should be implemented?（）

• A、Circuit switching
• B、Network address translation
• C、Power over Ethernet
• D、Virtual servers

第2题：

A corrupted file system is now repaired and back in use. Some， but not all of the files within the file  systems have been deleted. The only backup of this file system is a month-old tar archive. This archive will need to be restored as root.  Which two statements correctly describe the effects of the restore operation？（）

• A、 Files found in the file system that are also on tape will NOT be overwritten.
• B、 The missing files， present on the backup tape， are restored to the file system with the data as it was when the backup was taken.
• C、 The access times are preserved by tar and will reflect the time when a user last accessed the data.
• D、 The modification time on the files restored by tar will be preserved and will reflect the time the file was last modified before the backup， NOT the time of the restore operation.

第3题：

A customer is concerned about excessive media jamming in their device. Which of the following is the FIRST thing a technician should check？（）

• A、Media feed rollers
• B、Cassette drawers
• C、Fusing section
• D、Device log data

第4题：

A customer has a large amount of data stored on three database servers and is concerned that at present there is no disaster recovery plan in place.  They have an existing tape backup solution that meets their backup window.  In order to analyze potential disaster recovery plans， which of the following questions is the most important？（）

• A、What is the minimum critical backup window？
• B、Which server is handling the most critical data？
• C、How much data is stored on each server？
• D、What is the throughput of the hard drives？

第5题：

You have enabled backup optimization for the RMAN environment. Identify two criteria on which RMAN will skip the file， if it has already been backed up.（）

• A、 The data file backup is done with multiple channels
• B、 The data files is in the read-write mode after being backed up in the read only mode
• C、 The backup was taken after the data files was taken offline-normal or is in the read only mode
• D、 The data file backup complies with the back retention policy and the backup duplexing fe ture

第6题：

You are a network administrator for your company. All servers run Windows Server 2003. A network server named Server1 functions as the main file server. Server1 is backed up each night by using the Backup utility. You perform a test restoration of Server1 by using the Backup utility. You discover that files that are open during the backup process are not being backed up. You need to ensure that open files are backed up successfully. What should you do? （）

• A、Enable volume shadow copies on the partitions that are being backed up.
• B、Disable volume shadow copies on the partitions that are being backed up.
• C、Select the Verify data after backup check box in the Advanced backup options of the backup job.
• D、Clear the Disable volume shadow copy check box in the Advanced backup options of the backup job.

第7题：

A customer has Symantec NetBackup installed and is concerned about restore times for a line ofbusiness server. Which IBM Tivoli Storage Manager feature addresses this customer’s concerns？（）

• A、migration
• B、collocation
• C、compression
• D、subfile backup

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第13题：

A large corporation is concerned about the amount of time it takes to back up their main file server. They are also concerned that their IT technician frequently forgets to change the backup tapes， thereby leaving the company open to data loss. Which backup system would solve both problems？（）

• A、 RAID
• B、 tape library
• C、 optical storage
• D、 disk to disk to tape

第14题：

An internal user has deleted a file named， pagefile.sys and is concerned this deletion may affect the computer. The user should be instructed to：（）

• A、reboot the computer because Windows automatically generates a new page file.
• B、add a new hard drive， format the drive and install Windows.
• C、back up all data， reboot the computer and notify a desktop technician.
• D、reformat the hard drive and reinstall Windows.

第15题：

An administrator is required to backup 250GB nightly utilizing a single LTO2 tape. The administrator reports that the tape drive is running out of available space before the job completes. Which of the following would allow the administrator to backup this data?（）

• A、Enable compression on the LTO2 drive
• B、Utilize LTO3 tapes in the existing drive
• C、Reduce the amount of data on the backup
• D、Replace the LTO2 with LTO3 drive and tapes
• E、Divide the data and back up half one night and half the next

第16题：

You are using the control file to maintain information about the database backups that are being performed by Recovery Manager (RMAN). Identify two scenarios is which you must have a recovery catalog.（）

• A、To store the backup information of multiple database
• B、To restrict the amount of space that is used by the backups
• C、To maintain a backup for a certain time is set by the CONTROL_FILE_RECORD_KEEP_TIME parameter.
• D、To list the data files that were in a target database at a given time by using the AT option of REPORT SCHEMA command.

第17题：

Which statement is true about the loss of system-critical data files in ARCHIVELOG mode？（）

• A、The data files can be recovered till the last committed transaction.
• B、The data files can be recovered without shutting down the database.
• C、The data file is taken offline automatically； the database remains open.
• D、The data files can be recovered to the time of the most recent backup.

第18题：

A company has a 30 TB multi-vendor storage environment attached to System i and open systems. They are concerned about the time and effort caused by frequent migrations to new storage hardware for open systems data. In addition to consolidating their storage to a single platform， they would like to take advantage of advanced features such as Easy Tier and implement a three-site business continuity strategy.  Which product provides the best long-term solution for this company（）

• A、IBM System Storage DS8000
• B、IBM XIV Storage System
• C、IBM System Storage N series
• D、IBMStorwize V7000

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