单选题Which of the following backup methodologies is MOST time efficient for restoring data?（）A IncrementalB DifferentialC FullD GFS

第1题：

Which of the following is the MOST important data retention consideration when creating a backup system？（）

• A、Utilizing disk-to-disk clustering and hot site replication
• B、If the GFS backup system will cover all potential data breaches
• C、The process to move the data backup to an offsite location
• D、The individual laws and legal requirements of the data

第2题：

Which of the following backup media would be MOST appropriate for router configuration files？（）

• A、Optical
• B、Tape
• C、Flash drive
• D、Hard disk

第3题：

Which of the following is the MOST important step in preparing for disaster recovery？（）

• A、 Test the disaster recovery plan process
• B、 Identify key disaster recovery personnel
• C、 Ensure that all backup data is kept off-site
• D、 Assist management with IT backup policy decisions

第4题：

Which of the following modes conserves the most battery power while allowing retrieval of the computing session at a later time？（）

• A、Hibernate
• B、Suspend
• C、Standby
• D、Shutdown

第5题：

Which of the following BEST describes the difference between differential and incremental backups？（）

• A、 An incremental backup requires fewer tapes for restoration than a differential backup. 
• B、 A differential backup tape takes less time than an incremental backup tape.
• C、 A differential backup requires fewer tapes for restoration than an incremental backup.
• D、 An incremental backup tape costs less than a differential backup tape.

第6题：

A system must be upgraded from AIX 5.1 to 5.2.  Which of the following scheduling processes should be performed? （）

• A、 Schedule enough down time to backup, upgrade and reboot. 
• B、 Backup, upgrade, then schedule enough down time to reboot the system. 
• C、 Backup, then schedule enough down time to upgrade and reboot the system. 
• D、 No scheduling processes are necessary because no down time is required.

第7题：

A system administrator needs to upgrade the Oracle database from Version 7 to Version 8.  Which of the following scheduling concerns should be considered?（）

• A、Schedule enough down time to backup, upgrade and reboot. 
• B、Backup, upgrade, then schedule enough down time to reboot the system.
• C、Backup, then schedule enough down time to upgrade and reboot the system. 
• D、There are no scheduling concerns because no down time is required.

第8题：

You performed a backup of the flash recovery area by using the following command for the first time： RMAN> BACKUP RECOVERY AREA;  Which files in the flash recovery area are backed up？（）

• A、flashback logs
• B、current control file
• C、control file autobackups
• D、incremental backup sets

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第13题：

The backup utility reports an error while performing the backup process. The server indicates noother problems. Which of the following is the MOST likely cause of the failed backup？（）

• A、 Network is unavailable
• B、 The backup software is misconfigured
• C、 The current backup tape is bad
• D、 The wrong size backup tapes were loaded

第14题：

Which of the following must be available prior to performing the FIRST server backup？（）

• A、The most recent service pack
• B、The most recent backup documentation plan
• C、The most recent backup utility
• D、The most recent hotfixes

第15题：

Which of the following backup methods should be used nightly to ensure backups capture all necessary data in the LEAST amount of time?（）

• A、Daily
• B、Incremental
• C、Normal
• D、Differential

第16题：

A bare metal backup requires which of the following backup methodologies?（）

• A、Full
• B、Differential
• C、Incremental
• D、Database

第17题：

Which of the following backup methodologies is MOST time efficient for restoring data?（）

• A、Incremental
• B、Differential
• C、Full
• D、GFS

第18题：

A customer has the need to implement a tape backup solution to backup a 500GB database on a daily basis.  Which of the following factors is the most important consideration in the design of a backup and restore solution？（）

• A、Amount of data in the backup
• B、Bandwidth available to the tape device
• C、Length of the backup/restore window
• D、Speed that the backup system can find files for restoration

第19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？

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