Exam Details

  • Exam Code
    :E20-591
  • Exam Name
    :Backup and Recovery Solutions Exam for Technology Architects
  • Certification
    :EMC Certification
  • Vendor
    :EMC
  • Total Questions
    :275 Q&As
  • Last Updated
    :May 29, 2025

EMC EMC Certification E20-591 Questions & Answers

  • Question 31:

    Which EMC Data Domain feature enables high speed data throughput while performing inline deduplication?

    A. CPU centric architecture

    B. Fibre Channel disks

    C. 10Gbit Network Interface Cards

    D. DD Boost

  • Question 32:

    A customer has their headquarters in London and two additional branch offices in Amsterdam and Barcelona. They want to replicate all data from their EMC Data Domain systems at the branch offices to the London headquarters' system. What is the most efficient type of replication to achieve this goal?

    A. Many-to-one

    B. Cascaded

    C. One-to-one

    D. Cascaded one-to-many

  • Question 33:

    An EMC Data Domain customer requires the usage of physical tape for long-term storage. How are backups moved from the Data Domain system to physical tape?

    A. Storage node reads data from the Data Domain system and writes it to physical tape

    B. Backup server instructs the Data Domain system to perform the operation

    C. Data Domain system moves virtual tape contents to the physical library using one of the back-end ports based on a schedule

    D. Data automatically flows to the physical tape when the Data Domain system is full

  • Question 34:

    Where is deduplicated data stored on an EMC Data Domain system?

    A. Containers

    B. Fingerprints

    C. SISL

    D. DIA

  • Question 35:

    In an EMC Data Domain system, what is the first step when data is received using the SISL process?

    A. Data stored in non-volatile RAM

    B. Data is broken into segments

    C. Fingerprints for each segment are created

    D. Consecutive segments are compared

  • Question 36:

    What is the Summary Vector used for in an EMC Data Domain system?

    A. Identifying new unique segments of data

    B. Storing neighboring segments in containers

    C. Verifying file system metadata integrity

    D. Calculating checksum of data to analyze redundancy

  • Question 37:

    A customer has a mixed environment of Microsoft Windows and Linux servers that need to be backed up over the LAN through different backup software. Which protocols should be used to backup the servers to the EMC Data Domain system?

    A. NFS and CIFS

    B. VTL and NDMP

    C. CIFS and NDMP

    D. VTL and NFS

  • Question 38:

    A hosting company offers a backup option to customers to house their servers in the hosting company's data center. Customers who decide to sign up for the backup option are provided with an Ethernet link to an EMC Data Domain system where the backups are stored. Optionally, customers can choose to have their backup data replicated to a secondary location. Which kind of replication should be configured?

    A. Directory

    B. Pool

    C. Collection

    D. Folder

  • Question 39:

    Which mechanism does EMC Data Domain use to apply end-to-end data verification, use a self-healing file system, and protect your data against hardware failure?

    A. Data Invulnerability Architecture

    B. Stream Informed Segment Layout

    C. Distributed Segment Processing

    D. Global Deduplication Array

  • Question 40:

    Which technique is used by the EMC Data Domain operating system to quickly identify new unique segments?

    A. Summary vector

    B. Segment localities

    C. Hash cache

    D. Fingerprint

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