Emc Avamars Deduplication Technology Quiz

36 Questions | Total Attempts: 51

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Technology Quizzes & Trivia

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Questions and Answers
  • 1. 
    What is a benefit of EMC Avamars deduplication technology?
    • A. 

      Uses existing networks for backup

    • B. 

      Deploys in a wide-variety of client OS

    • C. 

      Provides a scalable server architecture

    • D. 

      Reduces the amount of backup data

  • 2. 
    Which protocol is used to make the backup connection between an EMC Avamar client and the EMC Avamar server?
    • A. 

      TCP/IP

    • B. 

      HTTP

    • C. 

      UDP

    • D. 

      FTP

  • 3. 
    When performing an Avamar root-to-root replication, which replication topologies are available?
    • A. 

      Many-to-one

    • B. 

      Many-to-Many

    • C. 

      One-to-Many

    • D. 

      One-to-One

  • 4. 
    Which utility is used to configure initial networking on a Gen4S utility node?
    • A. 

      Yast

    • B. 

      Ifconfig

    • C. 

      Ipconfig

    • D. 

      Netconfig

  • 5. 
    A storage administrator wants to register and activate many new clients at the same time to an EMC Avamar server. What should the administrator use?
    • A. 

      Batch client load

    • B. 

      Client-side activation

    • C. 

      Server-side registration

    • D. 

      Client Manager

  • 6. 
    At which percentage of the user capacity does EMC Avamar transition to a read-only state?
    • A. 

      85

    • B. 

      90

    • C. 

      96

    • D. 

      100

  • 7. 
    What must be running on an EMC Avamar client before scheduled backups can start?
    • A. 

      Avagent only

    • B. 

      Avtar only

    • C. 

      Avagent and avscc

    • D. 

      Avscc and avtar

  • 8. 
    • A. 

      To prevent going below the low-water mark

    • B. 

      To achieve steady-state capacity utilization

    • C. 

      To store as much data as possible

    • D. 

      To retain backups for as long as possible

  • 9. 
    In an EMC Avamar backup, what happens during the sticky-byte factoring process?
    • A. 

      All chunks are compressed

    • B. 

      Variable-length chunks are hashed

    • C. 

      Changed files are divided into chunks

    • D. 

      Previously backed up files are skipped

  • 10. 
    What must be configured and enabled to automatically run backups on a regular basis?
    • A. 

      Enterprise Manager

    • B. 

      Replication

    • C. 

      Notification schedule

    • D. 

      Group

  • 11. 
    You want to create a user account with permissions to perform backups only for a specific group of clients. At which level in the EMC Avamar hierarchy would you create the user account?
    • A. 

      Client

    • B. 

      Replication

    • C. 

      Domain

    • D. 

      Root

  • 12. 
    What provides centralized administration for the EMC Avamar server and runs the server-side processes used by Avamar Administrator?
    • A. 

      MCS

    • B. 

      Avtar

    • C. 

      Avagent

    • D. 

      Gsan

  • 13. 
    What does an EMC Avamar utility node provide?
    • A. 

      Client backup processing

    • B. 

      Internal server processes and services

    • C. 

      Backup storage

    • D. 

      Backup functionality for NAS devices

  • 14. 
    Which user data is stored on an Avamar NDMP Accelerator node?
    • A. 

      NAS performance statistics

    • B. 

      No user data

    • C. 

      Backup metadata

    • D. 

      NAS backup data

  • 15. 
    Which EMC Avamar interface provides a system-wide view of the health of multiple Avamar servers?
    • A. 

      Avamar Client

    • B. 

      Avamar Administrator

    • C. 

      Avtar

    • D. 

      Backup and Recovery Manager (BRM) as it is replacing Enterprise Manager

  • 16. 
    A company has deployed EMC Avamar. In addition, they have implemented desktop/laptop (DT/LT) to enable end users to manage their own restores. Based on the underlying DT/LT security, what is the end user prevented from doing?
    • A. 

      Restoring any file not owned by the end user

    • B. 

      Restoring any file owned by the end user

    • C. 

      Restoring files to an alternate directory

    • D. 

      Restoring multiple files at the same time

  • 17. 
    Whta is the minimum number of EMC Avamar active storage nodes required to create a valid RAIN configuration?
    • A. 

      2

    • B. 

      3

    • C. 

      4

    • D. 

      5

  • 18. 
    What is the Avamar process that runs as a application on each Avamar storage node and is the only way to access data on a storage node?
    • A. 

      EMS

    • B. 

      MCS

    • C. 

      Gsan

    • D. 

      Avagent

  • 19. 
    When installing an Avamar server, where must the Avamar installation package be copied in order to be processed by Avamar Installation Manager?
    • A. 

      /usr/local/avamar/src

    • B. 

      /usr/local/avamar/avi/

    • C. 

      /data01/avamar/repo/packages

    • D. 

      /data01/avamar/src

  • 20. 
    What is a characteristic of EMC Avamar garbage collection?
    • A. 

      Runs twice daily

    • B. 

      Will not start if any backups are running

    • C. 

      Places the Avamar system in read/write mode

    • D. 

      Runs during the maintenance window

  • 21. 
    A company has its EMC Avamar server configured to replicate to a target Avamar server using normal replication. The source Avamar server has become unavailable. The company wants to restore data from the target server to the original client.What describes the restore process?
    • A. 

      The client is already activated to the target server The client will be automatically selected as a destination

    • B. 

      Activate the client to the target server The client is automatically designated as a destination

    • C. 

      Activate the client to the target server The client must be selected as the destination for the restore

    • D. 

      The client is already activated to the target server The client must be selected as the destination for the restore

  • 22. 
    What is a characteristic of EMC Avamar VMware Image Level backups?
    • A. 

      Image proxy must be located on a different ESX server from the ESX server hosting the target machines

    • B. 

      Avamar client software is installed on each VMware virtual machine

    • C. 

      File-level restores are supported for Windows and Linux

    • D. 

      A vCenter server is not required

  • 23. 
    A customer has a 1X4+1 Gen4S 7.8 TB grid and wants to add an additional 1.3 TB of storage space. Which node type should be added to meet their requirement?
    • A. 

      Gen3 2.0 TB

    • B. 

      Gen3 3.3 TB

    • C. 

      Gen4S 1.3 TB

    • D. 

      Gen4S 7.8 TB

  • 24. 
    Which port is used for EMC Avamar Administrator server communications with Avamar clients?
    • A. 

      27000

    • B. 

      28001

    • C. 

      28002

    • D. 

      29000

  • 25. 
    Which backup process step breaks data into variable sized chunks?
    • A. 

      Hashing

    • B. 

      Data object storage

    • C. 

      Sticky-byte factoring

    • D. 

      Compression

  • 26. 
    • A. 

      NAS device

    • B. 

      Avamar storage node

    • C. 

      Avamar NDMP accelerator

    • D. 

      Avamar utility node

  • 27. 
    What must be done before a client can use the EMC Avamar system to back up data?
    • A. 

      Avamar Administrator must be installed on the client

    • B. 

      Client must be activated with the Avamar server

    • C. 

      After client software installation, avagent must be restarted

    • D. 

      Client must be added to the root domain

  • 28. 
    HFS check is running on an EMC Avamar server. In addition to checkpoint, which other activities can start?
    • A. 

      Garbage collection and client-initiated backups

    • B. 

      Garbage collection and server-initiated backups

    • C. 

      Replication and a limited number of backups

    • D. 

      Replication and nine backups per data node

  • 29. 
    How many checkpoints are automatically created each day by Avamar server?
    • A. 

      3

    • B. 

      1

    • C. 

      2

    • D. 

      0

  • 30. 
    A company has purchased an EMC Avamar 1X10+1 grid. What is the maximum number of clients that can be simultaneously backed up?
    • A. 

      270

    • B. 

      719

    • C. 

      720

    • D. 

      792

  • 31. 
    Which Avamar process frees up capacity on the Avamar server?
    • A. 

      Replication

    • B. 

      HFS check

    • C. 

      Checkpoint

    • D. 

      Garbage collection

  • 32. 
    Which type of hash is created from a compressed data chunk?
    • A. 

      Composite

    • B. 

      Atomic

    • C. 

      Metadata

    • D. 

      Root

  • 33. 
    Which fault tolerance level is used to provide disaster recovery protection for an EMC Avamar server?
    • A. 

      Checkpoints

    • B. 

      RAIN

    • C. 

      RAID

    • D. 

      Replication

  • 34. 
    What is the default percentage of the file system storage space is dedicated to user capacity on EMC Avamar server?
    • A. 

      50

    • B. 

      65

    • C. 

      75

    • D. 

      80

  • 35. 
    In EMC Avamar, what are client cache files used for?
    • A. 

      To determine if data has been backed up before

    • B. 

      To enable quick restores of backup data

    • C. 

      To track the amount of backup data for each client

    • D. 

      To store backup data in memory before sending it to the Avamar server

  • 36. 
    When using Client Manager, what is required in order to query a directory service to generate a list of clients?
    • A. 

      Clients are installed with desktop/laptop

    • B. 

      LDAP authentication is configured

    • C. 

      SAN path

    • D. 

      Directory server is configured in Enterprise Manager