E20-005 Backup Recovery Systems & Architecture Exam Set 6

In a backup and recovery environment, what is a benefit of sending multiple streams of backup data to physical tape?


Options are :

  • .Improved recovery point objective
  • Improved read performance
  • Improved write performance
  • Reduced recovery time objective

Answer : Improved write performance

E20-005 Backup Recovery Systems & Architecture Exam Set 7

Which method will improve the factor of deduplication of the client data?


Options are :

  • Longer retention policy
  • Less data redundancy
  • Encryption at rest
  • Compression method

Answer : Longer retention policy

How can you ensure that backup data stored in tapes offsite can be read only by authorized parties?


Options are :

  • Transfer data over a secure, internal WAN
  • .Set permissions on the save sets on the volumes
  • Encrypt the data using a secure encryption key
  • Compress the data using the LZO algorithm

Answer : Encrypt the data using a secure encryption key

What is an advantage of source-based deduplication over target-based deduplication?


Options are :

  • Reduced client resource requirement
  • .Reduced network bandwidth requirement
  • Faster recovery
  • Faster replication

Answer : .Reduced network bandwidth requirement

What is a characteristic of the CIFS protocol?


Options are :

  • FTP data transfer
  • NIS name resolution
  • File and record locking
  • Transaction logging

Answer : File and record locking

Which characteristic of a virtual infrastructure enables consolidation of multiple applications and operating systems on the same machine to provide increased server utilization?


Options are :

  • Hardware independence
  • Partitioning
  • Encapsulation
  • Isolation

Answer : Partitioning

A backup administrator has initiated a restore from a physical tape library. Data did not begin transferring back to the storage node until a minute later.What is the most likely reason for the delay?


Options are :

  • The tape library is offline.
  • The tape cartridge needs to be loaded and validated
  • The backup server must find the backup metadata.
  • The data is multiplexed on tape.

Answer : The tape cartridge needs to be loaded and validated

E20-005 Backup Recovery Systems & Architecture Exam Set 1

Which Microsoft Exchange Server 2007 feature supports single mailbox recovery?


Options are :

  • Database Availability Group
  • Recovery Storage Group
  • Recovery Database
  • Checkpoint file

Answer : Recovery Storage Group

Which database is used to store the location of other databases in Microsoft SQL Server?


Options are :

  • model
  • msdb
  • master
  • tempdb

Answer : master

What data is transmitted on the private backup network for the NDMP 3-way backup method?


Options are :

  • Metadata
  • Backup data
  • NDMP control data
  • Management data

Answer : Backup data

E20-005 Backup Recovery Systems & Architecture Exam Set 2

A backup administrator is developing a backup plan for a new production system. What information is most critical for determining which backup storage media to use?


Options are :

  • Backup frequency
  • Amount of backup data
  • RPO
  • RTO

Answer : RTO

Which component is present in a virtual tape library but not in a physical tape library?


Options are :

  • Cartridge
  • Emulation engine
  • Drive
  • Slot

Answer : Emulation engine

In Volume Shadow Copy Service, what is the role of the I/O interceptor?


Options are :

  • Copies data from source to virtual volume after the write to source volume is allowed
  • Leaves the source volume unchanged and writes to virtual volume
  • Copies data from source to virtual volume before the write to source volume is allowed
  • Writes new data to both source volume and virtual volume

Answer : Copies data from source to virtual volume before the write to source volume is allowed

E20-005 Backup Recovery Systems & Architecture Exam Set 3

A customer backup policy must meet the RPO management assigns. What backup configuration items must be considered to achieve the appropriate RPO?


Options are :

  • Multiplexing and multistreaming
  • Retention periods and granularity
  • Target backup devices
  • Client and server parallelism

Answer : Retention periods and granularity

Which Microsoft Volume Shadow Copy Service component is responsible for the creation and maintenance of shadow copies?


Options are :

  • Backup application
  • Writer
  • Requestor
  • Provider

Answer : Provider

An EMC customer environment has four ESX 4.1 servers and a vCenter Server. All servers are connected to a disk array with Fibre Channel.What is the difference between a guest-based and a VADP-based backup solution?


Options are :

  • Guest-based backup reduces backup traffic from the production network.
  • VADP-based backup reduces backup workload from ESX servers.
  • Guest-based backup uses the Change Block Tracking feature.
  • VADP-based backup does not require the installation of a backup agent on a proxy host.

Answer : VADP-based backup reduces backup workload from ESX servers.

E20-005 Backup Recovery Systems & Architecture Exam Set 4

A customer is deciding whether to implement backups to either a single centralized backup server or to individual backup servers at the remote offices.Which factor supports a decision to select a centralized backup solution?


Options are :

  • Deploying multiple servers increases cost and complexity
  • WAN connection bandwidth between locations is low.
  • Remote offices are in different time zones
  • A short recovery time objective must be met.

Answer : Deploying multiple servers increases cost and complexity

What is the main objective of testing a recovery plan?


Options are :

  • Validate RPO
  • Validate RTO
  • Monitor disk usage
  • Report backup time

Answer : Validate RTO

A customer has purchased a target-based deduplication solution from EMC to back up their production environment and replicate the data offsite. After implementing the solution and backing up data, the replication was started. However, the replication performance is not acceptable.What is the most likely cause?


Options are :

  • The bandwidth on the network is being exceeded.
  • The file system data being replicated has a high compression ratio.
  • The file system data being replicated is highly fragmented.
  • The backup software is taking up the CPU resources

Answer : The bandwidth on the network is being exceeded.

A customer is backing up data to a deduplication storage device. Deduplication levels are much lower than expected.What is a possible reason for this?


Options are :

  • Backups are occurring too often.
  • Data is being sent over IP.
  • Multiplexing is being used.
  • Backup data has too much commonality.

Answer : Multiplexing is being used.

A customer notices that the backup process on the client is using too much CPU.What can be done to decrease the CPU usage on the client?


Options are :

  • .Disable throttling
  • Disable encryption at rest
  • Increase the backup window
  • Disable encryption in transit

Answer : Disable encryption in transit

After purchasing a deduplication solution a customer has had an unexpected growth in data. With limited funds to expand their current storage, they decide to back up only files that would provide the best deduplication.What type of data files should be backed up?


Options are :

  • Media files
  • Uncompressed files
  • Encrypted files
  • Compressed files

Answer : Uncompressed files

Where does backup metadata reside when target-based deduplication technology is used?


Options are :

  • Backup server
  • Backup client
  • Storage node
  • Deduplication node

Answer : Backup server

Which factor impacts the data deduplication ratio?


Options are :

  • Operating system
  • Backup time
  • Backup media
  • Retention policy

Answer : Retention policy

Which data deduplication level provides the greatest granularity?


Options are :

  • Single instance
  • File
  • Fixed block
  • Variable block

Answer : Variable block

What is backed up to enable automatic recovery of Oracle transactions in the event of a database failure?


Options are :

  • Online redo logs
  • Data files
  • Tablespace
  • Logical database

Answer : Online redo logs

Which component identifies redundant subfile data at the source when a source-based deduplication method is used?


Options are :

  • Deduplication node
  • Backup server
  • Storage node
  • Client software agent

Answer : Client software agent

What is a characteristic of files once they are compressed?


Options are :

  • They cannot be compressed again by the same method
  • They get larger if they are compressed again.
  • They get smaller if they are compressed again.
  • They remain the same size if they are compressed again.

Answer : They get larger if they are compressed again.

Which Microsoft Volume Shadow Copy Service component is responsible for freezing and thawing the application's data during the creation of snapshots?


Options are :

  • Requestor
  • Provider
  • Backup application
  • Writer

Answer : Writer

A customer states that a majority of their restore requests are within the first few hours since a backup. They require high availability of the data for restores and a low-cost, offsite, long-term storage solution.What strategy would you suggest?


Options are :

  • Backup to tape, then clone to disk
  • Backup to disk, then clone to tape
  • Backup to tape with multiplexing
  • Backup to tape without multiplexing

Answer : Backup to disk, then clone to tape

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