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Specialist - Systems Administrator, Elastic Cloud Storage (ECS) Exam

Exam Details

  • Exam Code
    :DES-1B31
  • Exam Name
    :Specialist - Systems Administrator, Elastic Cloud Storage (ECS) Exam
  • Certification
    :Systems Administrator (DECS-SA)
  • Vendor
    :EMC
  • Total Questions
    :66 Q&As
  • Last Updated
    :Nov 18, 2024

EMC Systems Administrator (DECS-SA) DES-1B31 Questions & Answers

  • Question 1:

    On which level(s) is an ECS retention policy enforced?

    A. Bucket only

    B. Bucket and namespace

    C. Object and namespace

    D. Bucket and object

  • Question 2:

    When a disk state is suspect, what are the allowable disk operations?

    A. Read

    B. Write

    C. Read and write

    D. No operations allowed

  • Question 3:

    What is the minimum number of nodes required to configure an ECS storage pool?

    A. 2

    B. 4

    C. 6

    D. 8

  • Question 4:

    Which log file should you check if you suspect that an authorized user has been logging in to an ECS system?

    A. eventsvc.log

    B. authsvc.log

    C. resourcesvc.log

    D. provisionsvc.log

  • Question 5:

    A retention policy and a retention period are defined for the same object. What will control the deletion of that object?

    A. The one that was created first

    B. Only the retention policy

    C. The one with the greater time interval

    D. Only the retention period

  • Question 6:

    What is the name of the process for copying necessary metadata to a replication group to which a zone has been added?

    A. Load balancing

    B. Bootstrapping

    C. Equalizing

    D. Failover

  • Question 7:

    An ECS is configured as backend storage for OpenStack Cinder. Which type of data will it store?

    A. Disk and server images

    B. OpenStack Swift client access information

    C. Multimedia files

    D. Volume data backups

  • Question 8:

    What technology is used in ECS to protect loss of a site in a two-site configuration?

    A. Full Mirror Copy

    B. Erasure Coding

    C. XOR

    D. Dual Parity

  • Question 9:

    How is an ECS federation created?

    A. From the first ECS running the primary VDC, create an additional VDC entry for each remote ECS instance.

    B. Add the remote VDC into the replication group configuration for the primary VDC

    C. Create a new federation configuration from any VDC, then add all other VDCs to the configuration

    D. Create the remote VDC then merge both the first VDC and the remote VDC into the federation configuration.

  • Question 10:

    What is the difference between S3 authentication signature version 2 and S3 authentication signature version 4?

    A. Version 2 uses a shared secret and access key ID Version 4 uses the date/region algorithm

    B. Version 2 uses HMAC algorithm Version 4 uses the credentials scope algorithm

    C. Version 2 uses a namespace based signature Version 4 uses HMAC algorithm

    D. Version 2 uses the secret key to sign the request Version 4 uses a signing key

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