EMC DES-1D11 Online Practice Questions and Exam Preparation

EMC DES-1D11 Online Questions & Answers

• Question 1:

  Which value should be used for back-end sizing when planning a Dell EMC SC Series solution?

  A. 1x front-end throughput
  B. 2x front-end throughput
  C. 3x front-end throughput
  D. 4x front-end throughput
  B. 2x front-end throughput

• Question 2:

  What is the minimum SCOS version required to implement Storage QoS in a Dell EMC SC Series storage?

  A. SCOS version 6.5
  B. SCOS version 6.7
  C. SCOS version 7.0
  D. SCOS version 7.1
  C. SCOS version 7.0

• Question 3:

  Why is the drive size a threshold in Dell EMC SC Series for Dual Redundancy?

  A. RAID protection level during a disk allocation failure
  B. RAID stripe reconstruction time during a disk failure
  C. Data Progression run times are longer with larger drives
  D. Cost per GB on larger drives is less
  A. RAID protection level during a disk allocation failure

• Question 4:

  What is the guideline when sizing for IOPS on a Dell EMC SC Series solution with two tiers?

  A. Tier 1 = 20% of ADJUSTED IOPS Tier 3 = 100% of ADJUSTED IOPS
  B. Tier 1 = 50% of ADJUSTED IOPS Tier 3 = 50% of ADJUSTED IOPS
  C. Tier 1 = 100% of ADJUSTED IOPS Tier 3 = 20% of ADJUSTED IOPS
  D. Tier 2 = 95% of ADJUSTED IOPS Tier 3 = 95% of ADJUSTED IOPS
  C. Tier 1 = 100% of ADJUSTED IOPS Tier 3 = 20% of ADJUSTED IOPS

• Question 5:

  A customer is considering a Dell EMC SC Series storage solution for their business. Which tool can be used to help determine the IOPS target for the solution?

  A. Microsoft Disk Manager
  B. Fibre Channel or Ethernet Switch Logs
  C. Dell Performance Analysis Collection Kit
  D. Wireshark Protocol Analyzer
  B. Fibre Channel or Ethernet Switch Logs

• Question 6:

  A customer wants a solution that includes a single 12-drive DPE and six 25-drive DAEs. Which Dell EMC Unity model should be recommended?

  A. Unity 300
  B. Unity 400
  C. Unity 450F
  D. Unity 500F
  B. Unity 400

• Question 7:

  A customer is using High Consistency mode for replication with a Dell EMC SC9000. What will happen if the remote DR volume is unavailable?

  A. Writes will stop to the source volume if the connection to the remote DR volume is unavailable
  B. All access to the source volume will be prohibited, replication will need to be reconfigured
  C. Writes will continue to the source volume and synchronize once the remote DR volume is available
  D. Automated failover will occur, reconnecting the replication from the surviving controller
  A. Writes will stop to the source volume if the connection to the remote DR volume is unavailable

• Question 8:

  What is a benefit of cross-platform replication between Dell EMC SC Series and PS Series?

  A. Active Snapshot Replication
  B. Live Volume Replication
  C. Compression of replicated data
  D. Leverages existing interfaces
  A. Active Snapshot Replication

• Question 9:

  When implementing FAST VP, which Dell EMC best practices should be followed?

  A. Use the "Lowest Available Tier" during normal operations Schedule relocations after nightly backups
  B. Use the "Auto Tier" policy Schedule relocations continually during normal operations
  C. Use the "Start High then Auto Tier" policy Maintain at least 10 percent of the pool capacity
  D. Use the "Start High then Auto Tier" policy Maintain at least 5 percent pool capacity
  B. Use the "Auto Tier" policy Schedule relocations continually during normal operations

• Question 10:

  What is the reason for using mirrored cache in Dell EMC Unity storage systems?

  A. Provide a secondary copy of write data for the same Storage Processor
  B. Provide a secondary copy of read cached data for the peer Storage Processor
  C. Provide the only copy of read data for each Storage Processor
  D. Provide a secondary copy of write cached data for the peer Storage Processor
  D. Provide a secondary copy of write cached data for the peer Storage Processor

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  Reference: https://www.emc.com/collateral/white-papers/h15162-emc-unity-high-availability.pdf