单选题A customer wants to install data deduplication and is currently backing up 100 MB of data per night and 300 MB of data per week. They require 100mb/sec of throughput to achieve this backup in their backup window. They have very limited rack space and c

第1题：

Which of the following must be done to properly conduct testing of the data backup portion of a disaster recovery plan？（）

• A、 Perform an integrity test of backup media.
• B、 Verify data on backup media can be read.
• C、 Verify that backups have occurred and were successful via the logs.
• D、 Restore backed up data to a test server.

第2题：

A customer wants to install data deduplication and is currently backing up 100 MB of data per night and 300 MB of data per week. They require 100mb/sec of throughput to achieve this backup in their backup window. They have very limited rack space and can only offer 4U space in one of their existing racks. Which ProtecTIER product set best suits this customer?（）

• A、TS3500
• B、TS7610
• C、TS7650G
• D、TS7650A

第3题：

A customer with a small IT budget has one data center. Their main application is a database running on an IBM System Storage DS8000. The database has a data change rate of 50% per day. Once a week， they must do a point-in-time backup from the database to tape. The time it takes to run the backup now exceeds the backup window allowed. The customer requests a proposal to reduce database downtime caused by running backups， with nearly no impact to production volumes.    In addition to the tape backup， which DS8000 feature should a technical specialist propose（）

• A、FlashCopy
• B、FlashCopy SE
• C、Metro Mirror
• D、Global Mirror

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 want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for Recovery Manager (RMAN). To accomplish the backup, you issued the following RMAN command: RMAN> BACKUP SECTION SIZE 300M TABLESPACE users; Which two statements are true about the execution of the above command? （）(Choose two.)

• A、The backup piece size will be limited to 300 MB
• B、The RMAN uses multiplexing to perform backup
• C、The operation is accomplished using the default channel available
• D、The RMAN parallelizes the backup although the parallelism is not set for a channel

第6题：

The size of the largest datafile， data1.dbf， in your database is 30MB. You issued the following command：   RMAN>CONFIGURE MAXSETSIZE 10MB；     What will be the impact of the above setting？（）

• A、 While performing the backup of the datafile，data1.dbf，one backup set is created.
• B、 While performing the backup of the datafile，data1.dbf，two backup sets are created.
• C、 While performing the backup of the datafile，data1.dbf，three backup sets are created.
• D、 While performing the backup of the datafile，data1.dbf，the command for performing a backup of the datafile，data1.dbf，will fail.

第7题：

The System Administrator wants to do a backup of the HMC and notices that there are two options on the HMC menu: Backup Critical Console data and Save Upgrade Data. Which of the following best describes the differences between the two options?（）

• A、Both options back up user and partition profile data. Only the Backup Critical Console Data backs up TCP/IP settings or preferences
• B、Both options back up partition profile information. Only the Backup Critical Console Data backs up service function settings, such as Inventory Scout, Service Agent, and Service Focal Point
• C、The Backup Critical Console Data should be performed just before the HMC software update operation. The Save Upgrade Data should be performed each time configuration changes are made to the system or the HMC
• D、The Save Upgrade Data should be performed just before the HMC software update operation. The Backup Critical Console Data should be performed each time configuration changes are made to the system or the HMC

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第13题：

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

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

第14题：

A customer wants to put all their data on Solid State Disk drives to get maximum throughput andhighest availability. They only have 400 GB of data and plan on growing that data at only 1% to2% per year. How many 300 GB SSD drives should the storage specialist recommend to meet thecustomer requirements？（）

• A、2
• B、3
• C、5
• D、6

第15题：

As part of a Business Continuance project， a customer has established replication from 3 spokesto a DR hub with ProtecTIER 7610 appliances. Each of the 3 spokes is backing up 500 GB ofnominal data daily with an average deduplication ratio of 10：1. The replication window is 12 hours.The data change rate is 15%. What is the approximate minimum required bandwidth for eachWAN connection？（）

• A、1.2MB/s
• B、7.5MB/s
• C、12MB/s
• D、75MB/s

第16题：

A customer requires off-site storage for 500 GB per night in backup tapes. The backup site is 560kilometers （350 miles） away. The customer does not require the backup site to run the applicationin the event of failure at the main site. What is the least expensive strategy for the data center toimplement？（）

• A、make online image backups
• B、install Global Mirror at the backup site
• C、ship nightly backup tapes to the remote site
• D、install Tivoli Storage Manager （TSM） and a tape drive at the backup site

第17题：

You want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for the RMAN. To accomplish the backup， you issued the following RMAN command：   RMAN> BACKUP SECTION SIZE 300M TABLESPACE users；   Which two statements are true regarding the execution of the above command？（）

• A、 The RMAN parallelizes the backup although the parallelism is not set for a channel.
• B、 The backup piece size will be limited to 300 MB.
• C、 The operation is accomplished using the default channel available.
• D、 Three channels for the tape drive must be configured by setting the parallelism to three.

第18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

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