E20-005 Backup Recovery Systems & Architecture Exam Set 3

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


Options are :

  • Backup data has too much commonality
  • Backup data is encrypted
  • Frequent incremental backups are performed
  • Frequent full backups are performed

Answer : Backup data is encrypted

What are common causes of TCP re-transmissions?


Options are :

  • .OS crashes, DNS failures, NIC teaming
  • Physical link errors, duplex mismatches, buffer overflows
  • Hardware crashes, disk drive failures, errant applications
  • RPC errors from one host to another

Answer : Physical link errors, duplex mismatches, buffer overflows

What does NFS use to communicate between the client and server?


Options are :

  • Secure Shell (SSH)
  • File Transfer Protocol (FTP)
  • Remote Procedure Calls (RPC)
  • Common Internet File System (CIFS)

Answer : Remote Procedure Calls (RPC)

E20-005 Backup Recovery Systems & Architecture Exam Set 4

Which type of cloud is used by a group of companies that are looking to control compliance and security?


Options are :

  • Private
  • Hybrid
  • Public
  • Community

Answer : Community

In general, which deduplication technology provides the highest deduplication ratios?


Options are :

  • Fixed block level
  • File level
  • Content aware
  • Variable block level

Answer : Variable block level

What is the benefit of network virtualization?


Options are :

  • Enhanced storm control
  • Better policy control
  • Improved manageability
  • Decreased resource utilization

Answer : Improved manageability

E20-005 Backup Recovery Systems & Architecture Exam Set 5

A backup administrator wants to find storage for a new division to be backed up. The requirements for backup are: 7,000 servers 2 PB of backup data Data growth of 150 TB per year Which EMC backup portfolio product would best meet the requirements?


Options are :

  • EMC NetWorker
  • EMC Mozy
  • EMC Avamar
  • EMC Data Domain

Answer : EMC Data Domain

When backing up a VMware virtual machine (VM), what is an advantage of the image-based backup approach?


Options are :

  • No impact to guest OS resources
  • Reduces VM failures
  • Reduces recovery point objective
  • Eliminates site failures

Answer : No impact to guest OS resources

Which Microsoft Exchange Server 2010 feature supports single mailbox recovery?


Options are :

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

Answer : Recovery Database

E20-005 Backup Recovery Systems & Architecture Exam Set 6

A backup administrator is developing a backup plan for a new production system. What is the most critical factor when determining which backup device to use?


Options are :

  • Data type
  • RPO
  • RTO
  • Backup frequency

Answer : RTO

What is a key benefit of virtualization technology via cloud services?


Options are :

  • Policy compliance
  • Flexible metering
  • Capacity planning
  • Rapid elasticity

Answer : Rapid elasticity

What is one of the requirements to back up data from a RAW device level?


Options are :

  • .fsck or chkdsk must be run on the file system before a copy takes place.
  • A snapshot must be taken before a copy takes place.
  • The file system must be un-mounted before a copy takes place
  • The file system must be mounted before a copy takes place.

Answer : The file system must be un-mounted before a copy takes place

E20-005 Backup Recovery Systems & Architecture Exam Set 7

What would you employ to reduce backup time for a file server with a large amount of static data?


Options are :

  • Archiving
  • Multiplexing
  • Staging
  • Cloning

Answer : Archiving

Which protocol can provide direct access for clients to files distributed across multiple hosts?


Options are :

  • TCP/IP
  • NFS
  • FTP
  • SSH

Answer : NFS

Which EMC backup and recovery product eliminates the transmission of redundant backup data over the network and subsequent storage for backup?


Options are :

  • SourceOne
  • NetWorker
  • .Backup and Recovery Manager
  • Avamar

Answer : Avamar

What is a multi-streaming backup?


Options are :

  • A backup being performed on multiple hosts at the same time
  • Multiple simultaneous backup jobs sent from a single client
  • Multiple storage nodes receiving the same data stream from a client
  • Data from multiple clients backed up to the same device at the same time

Answer : Multiple simultaneous backup jobs sent from a single client

A customer environment with large file systems consists of many small files. The daily data change rate is 10%. The backup administrator wants to reduce the backup window and resources required, such as network bandwidth and storage media. What should be your recommendation?


Options are :

  • Use staging
  • Use block tracking technology
  • Use point-in-time backups
  • Back up as a RAW device

Answer : Use block tracking technology

What is an advantage of adding multiple storage nodes to a single backup server in a geographically distributed environment?


Options are :

  • Multiple catalogs are maintained.
  • Retention rates can be decreased.
  • Backup over the WAN can be avoided.
  • Cloning backup data is unnecessary

Answer : Backup over the WAN can be avoided.

E20-005 Backup Recovery Systems & Architecture Exam Set 1

Which file sharing protocol uses Network Information Service for domain name resolution?


Options are :

  • FTP
  • NFS
  • CIFS
  • DFS

Answer : NFS

What is a characteristic of hardware compression?


Options are :

  • Reduces network throughput
  • Is performed on the host
  • Travels through the LAN compressed
  • .Does not consume host resources

Answer : .Does not consume host resources

What is a characteristic of structured data?


Options are :

  • Constitutes over 80% of enterprise data
  • Difficult to query and retrieve by business applications
  • Typically stored using a database management system
  • Cannot be stored in rows and columns

Answer : Typically stored using a database management system

To improve backup speeds, between what two components is it most important to improve the network?


Options are :

  • Server and storage node
  • Server and storage media
  • Client and storage node
  • Client and server

Answer : Client and storage node

A customer is switching their backups of critical applications from physical tape to virtual tape storage.What is a benefit of using virtual tape over physical tape?


Options are :

  • Increased multiplexing capabilities
  • Reduced backup processing load on the client
  • Better single stream performance
  • Reduced network usage

Answer : Better single stream performance

What should an administrator consider when performing backups of a database?


Options are :

  • Requirement of taking database off-line
  • Performance impact of using transaction logs during backup
  • Requirement of performing restores to the original proxy
  • Impact of downtime with cold backups

Answer : Impact of downtime with cold backups

What is a possible impact of using multiplexing when writing backup data?


Options are :

  • Less impact of backup processing on the client
  • Increased recovery times
  • .Increased deduplication ratios
  • .Less strain on network resources

Answer : Increased recovery times

Which cloud deployment model is a multi-tenant infrastructure that is shared among several organizations from a specific group with shared concerns?


Options are :

  • Community cloud
  • Public cloud
  • Hybrid cloud
  • Private cloud

Answer : Community cloud

In Microsoft Exchange 2013, which databases can be backed up?


Options are :

  • Only unmounted database copies
  • Only active database copies
  • All database copies
  • Only passive database copies

Answer : All database copies

What is the function of the SQL Server system database, msdb?


Options are :

  • Used as a template for all databases created on a SQL Server instance
  • Serves as a workspace for intermediate result sets
  • Used by SQL Server agent for scheduling jobs
  • Records system-level information for a SQL Server instance

Answer : Used by SQL Server agent for scheduling jobs

What is a factor when sizing a backup to tape solution?


Options are :

  • Available network bandwidth
  • Retention period before staging
  • Multiplexing of the backup streams
  • Available slots in a tape library

Answer : Available slots in a tape library

What is a concept pertaining to RDBMS?


Options are :

  • Each column has a unique identification or key
  • Data values are repeated.
  • Each row has a unique identification or key.
  • Duplicate rows may exist.

Answer : Each row has a unique identification or key.

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