E20-005 Backup Recovery Systems & Architecture Exam Set 5

A backup administrator wants to leverage the replication feature available on the storage array as an alternate source for backups. What is an advantage of this approach?


Options are :

  • Improves RPO
  • Enables backups to be performed without a storage node
  • Decreases storage utilization
  • Allows off-host backups to be performed

Answer : Allows off-host backups to be performed

A customer has a requirement to restore operations within two hours after a disaster.What is this time period called?


Options are :

  • Recovery point objective (RPO)
  • Backup window
  • Retention period
  • Recovery time objective (RTO)

Answer : Recovery time objective (RTO)

E20-005 Backup Recovery Systems & Architecture Exam Set 6

A backup administrator wants to leverage the replication feature available on the storage array as an alternate source for backups. What is an advantage of this approach?


Options are :

  • Removes the burden on the production LUNs during backup
  • Decreases storage utilization
  • Improves RPO
  • Enables backups to be performed without a storage node

Answer : Removes the burden on the production LUNs during backup

Which are components of a NAS environment?


Options are :

  • NFS and IP
  • CIFS and zones
  • IP and WWN
  • NFS and zones

Answer : NFS and IP

What describes Oracle NOARCHIVELOG mode?


Options are :

  • Online redo logs are saved for recovery
  • Online backup is supported
  • Committed transactions are lost
  • Online backup is not supported

Answer : Online backup is not supported

E20-005 Backup Recovery Systems & Architecture Exam Set 7

What is a characteristic of RAID 6?


Options are :

  • Block-level striping with distributed parity
  • Block-level striping with dedicated parity disk
  • Block-level striping with double distributed parity
  • Byte-level striping with dedicated parity disk

Answer : Block-level striping with double distributed parity

You are planning the staging policy for disk-to-offsite tape backup media. In addition to available disk space, which factor is most significant when determining how long to keep the backup data on disk?


Options are :

  • Tape capacity
  • Cost of shipping and storing tapes
  • Location of offsite storage
  • Length of time when most restore requests are expected to occur

Answer : Length of time when most restore requests are expected to occur

Which Microsoft Exchange Server 2007 backup level deletes log files older than the checkpoint when the backup is complete?


Options are :

  • Full
  • Copy
  • Differential
  • Synthetic

Answer : Full

A customer wants to run backups for unstructured client data where the level of granularity can be sacrificed for better performance. Which method for backing up the data best fits this situation?


Options are :

  • Cold backup
  • Hot backup
  • Raw device dump
  • File copy

Answer : Raw device dump

You have been tasked with providing a file-sharing and storage solution for a remote office that has an IP-based network. No IT staff are available on the site; therefore minimal administrative overhead is a must.Which technology would you recommend?


Options are :

  • DAS
  • FC SAN
  • NAS
  • CAS

Answer : NAS

Which type of backup should be used to create a backup copy offline without disrupting I/O operations on a production volume?


Options are :

  • Full backup
  • Synthetic full backup
  • Incremental backup
  • Cumulative backup

Answer : Synthetic full backup

E20-005 Backup Recovery Systems & Architecture Exam Set 1

What is the process of moving data from one storage medium to another?


Options are :

  • Cloning
  • Replication
  • Staging
  • Twinning

Answer : Staging

A customer has a hybrid infrastructure composed of several UNIX and Windows servers. They are looking for a storage system that all servers can share, but will keep hardware changes to a minimum.What is your recommendation?


Options are :

  • CAS
  • DAS
  • SAN
  • NAS

Answer : NAS

What is an advantage of performing a hot database backup over a cold backup?


Options are :

  • Network bandwidth use is reduced.
  • There is no impact on the database.
  • The database is accessible to users.
  • Backups are faster.

Answer : The database is accessible to users.

E20-005 Backup Recovery Systems & Architecture Exam Set 2

Which type of backup only copies the files that have changed since the last full backup?


Options are :

  • Full
  • Cumulative
  • Incremental
  • Synthetic full

Answer : Cumulative

A business has a recovery point objective (RPO) of nine hours. What does this RPO mean in the event of a disaster?


Options are :

  • A backup copy of the production data must be obtained within nine hours
  • Production must be resumed within nine hours
  • Restore from backup must occur within nine hours
  • No more than nine hours of production data can be lost

Answer : No more than nine hours of production data can be lost

What is the interval of time between the creation and expiration of the backup called?


Options are :

  • Retention period
  • Backup window
  • Recovery time objective (RTO)
  • Recovery point objective (RPO)

Answer : Retention period

E20-005 Backup Recovery Systems & Architecture Exam Set 3

Which software component of a backup application sends media metadata to the backup server?


Options are :

  • Application server
  • Client
  • NetWorker Management Console
  • Storage node

Answer : Storage node

What is the primary reason for having disaster recovery backups?


Options are :

  • To restore data from an alternate site due to data loss at a primary site
  • To restore data that was archived for regulatory compliance
  • To restore data when data loss occurs due to minor hardware component failures
  • To restore data when data loss or logical corruptions occur during routine processing

Answer : To restore data from an alternate site due to data loss at a primary site

How are local replication technologies classified?


Options are :

  • Host and CIFS
  • Network and storage array
  • Host and storage array
  • Network and CIFS

Answer : Host and storage array

What is the primary reason for ensuring consistency of a replica in a backup environment?


Options are :

  • Speed of recovery
  • Network latency
  • I/O availability
  • Usability

Answer : Usability

What is an example of a PCI connection?


Options are :

  • Interconnection between a tape drive and a computer
  • Serial connection between a disk and the controller card
  • .Parallel interface between a disk and the controller card
  • Interconnection between a CPU and network card

Answer : Interconnection between a CPU and network card

What is a characteristic of the dependent write I/O principle?


Options are :

  • An application will not issue a write I/O until a prior related write I/O has completed
  • An application will not issue a read I/O until a prior related write I/O has completed
  • An application will issue another read I/O before the prior related write I/O has completed
  • An application will issue another write I/O before the prior related write I/O has completed

Answer : An application will not issue a write I/O until a prior related write I/O has completed

Which component can be a member of a zone?


Options are :

  • ToE card
  • ISL trunks
  • NIC
  • Nodes

Answer : Nodes

What is the maximum fault tolerance of RAID 6, where n is the number of disks?


Options are :

  • n-1
  • 1
  • n-2
  • 2

Answer : 2

What terminology is used to describe grouping several physical drives into one logical drive?


Options are :

  • Grouping
  • Formatting
  • Partitioning
  • Concatenation

Answer : Concatenation

A full backup of a file system is performed once a week on Saturday and cumulative backups are performed on all other days. Backups start at 20:00 with a two-hour window. Data on the file system changes every day.How many backups are required to perform a full system restore as of Friday morning?


Options are :

  • 7
  • 1
  • 6
  • 2

Answer : 2

In host-based replication, during the creation of a snapshot, what is the purpose of the metadata bitmap?


Options are :

  • To indicate the exact address from which data is to be read
  • To track blocks that have changed on the production source
  • To map a specific array device to a snapshot
  • To locate and map the empty data blocks on a target device

Answer : To track blocks that have changed on the production source

Which statement best describes a file system?


Options are :

  • Defines block sizes depending on data type
  • Collects related records and stores them as a unit
  • Organizes data in a structured hierarchical manner using directories
  • Establishes a consistent file-naming convention

Answer : Organizes data in a structured hierarchical manner using directories

Which statement defines retention period?


Options are :

  • Amount of time available for restoring a particular version of a backup dataset
  • Amount of time allocated for full system recovery
  • od of time in which a backup must be restored
  • Amount of time available for overwriting a volume containing backups

Answer : Amount of time available for restoring a particular version of a backup dataset

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