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Backup Recovery Systems and Architecture Exam

Exam Details

  • Exam Code
    :E20-005
  • Exam Name
    :Backup Recovery Systems and Architecture Exam
  • Certification
    :Implementation Engineer
  • Vendor
    :EMC
  • Total Questions
    :120 Q&As
  • Last Updated
    :May 13, 2025

EMC Implementation Engineer E20-005 Questions & Answers

  • Question 31:

    Which data deduplication level provides the greatest granularity?

    A. Fixed block

    B. File

    C. Single instance

    D. Variable block

  • Question 32:

    What is a disadvantage of using tape to store backup data?

    A. Longer restore time

    B. High cost

    C. Offsite storage not possible

    D. Parity overhead

  • Question 33:

    Which factor impacts the data deduplication ratio?

    A. Retention policy

    B. Backup time

    C. Operating system

    D. Backup media

  • Question 34:

    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?

    A. The tape cartridge needs to be loaded and validated.

    B. The data is multiplexed on tape.

    C. The tape library is offline.

    D. The backup server must find the backup metadata.

  • Question 35:

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

    A. Reduced network bandwidth requirement

    B. Faster replication

    C. Faster recovery

    D. Reduced client resource requirement

  • Question 36:

    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?

    A. Backup to disk, then clone to tape

    B. Backup to tape with multiplexing

    C. Backup to tape without multiplexing

    D. Backup to tape, then clone to disk

  • Question 37:

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

    A. Drive

    B. Cartridge

    C. Emulation engine

    D. Slot

  • Question 38:

    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?

    A. Backup data has too much commonality.

    B. Multiplexing is being used.

    C. Backups are occurring too often.

    D. Data is being sent over IP.

  • Question 39:

    Refer to the exhibit.

    When determining disk drive performance, between which two components is the external transfer rate measured?

    A. HBA and interface

    B. Interface and buffer

    C. Buffer and head disk assemblly

    D. Interface and head disk assembly

  • Question 40:

    How is client backup data viewed in cloud storage for backup and recovery?

    A. Object

    B. File

    C. Block

    D. Page

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