EMC DES-1B31 Online Practice Questions and Exam Preparation

EMC DES-1B31 Online Questions & Answers

• Question 41:

  What happens when you change the retention value in a retention policy on ECS?

  A. Retention values cannot be changed on a retention policy
  B. The changes will affect all new objects associated with that policy only
  C. Retention value in a policy can only be changed on the bucket but will not affect any object
  D. The changes will immediately affect all objects associated with that policy
  D. The changes will immediately affect all objects associated with that policy

• Question 42:

  An ECS administrator creates a bucket to be used by the NFS clients. The development team tries to write some objects using the S3 browser on the bucket. They call the storage administrator to inform them that they are experiencing write operation errors.

  What is a possible reason for the errors?

  A. Bucket is Read only
  B. Object user needs write credentials
  C. Base URL was not configured
  D. Secret key used is not correct
  B. Object user needs write credentials

• Question 43:

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

  A. Read
  B. Write
  C. Read and write
  D. No operations allowed
  A. Read

• Question 44:

  How does a user apply a license on an ECS system?

  A. Within the ECS portal
  B. Using the command line interface (CLI)
  C. Through SSH
  D. Using the ECS Rest API
  A. Within the ECS portal

• Question 45:

  A company has removed the VDC from the replication group and is no longer able to add it back. What is the cause of this issue?

  A. The same VDC can be added back to the replication group, but only before failover processing is completed successfully
  B. The same VDC cannot be added back to the replication group, it must be given another name
  C. The VDC cannot be added back to the existing replication group; a new replication group must be created for the VDC
  D. Removing the VDC from the replication group initiates failover processing for permanent failures
  B. The same VDC cannot be added back to the replication group, it must be given another name

• Question 46:

  What can be used to access OpenStack Swift data on an ECS?

  A. S3 Curl from ECS ECS UI
  B. S3 browser ECS CLI
  C. OpenStack Swift client browser OpenStack Swift API
  D. Amazon S3 REST API ECS CLI
  D. Amazon S3 REST API ECS CLI

• Question 47:

  What is a correct statement concerning the use of ECS as an LTR solution with DD Cloud Tier?

  A. Cloud units configured as a DD Cloud Tier can be ECS, public, or hybrid cloud
  B. Data is moved directly from the active tier to ECS
  C. Backups are cloned to the active tier via the app-based policy
  D. Mission critical applications are backed up first to the DD Cloud Tier
  A. Cloud units configured as a DD Cloud Tier can be ECS, public, or hybrid cloud

• Question 48:

  What is a characteristic of ECS?

  A. Cannot be federated to protect data across multiple sites
  B. Cannot be run on non-Dell EMC hardware for custom solutions using existing resources
  C. Provides offline object access for mobile, desktop, and enterprise applications
  D. Provides simultaneous access to data via several standard industry protocols
  D. Provides simultaneous access to data via several standard industry protocols

• Question 49:

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

• Question 50:

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