EMC E20-385 Online Practice Questions and Exam Preparation

EMC E20-385 Online Questions & Answers

• Question 151:

  When using link aggregation across Ethernet ports on an EMC Data Domain system, which OSI layers provide load balancing by use of the IP layer?

  A. 1 and 3
  B. 1 and 4
  C. 2 and 3
  D. 3 and 4
  D. 3 and 4

• Question 152:

  As represented in the exhibit,

  

  which metric is the Local-Comp Factor reporting in the filesys show compression output?

  A. Reduction in segment size resulting from the configured compression type lz, gz, or gzfast
  B. Reduction in segment size from EMC DD Boost plugin clients
  C. Reduction in segment size from low bandwidth optimized replication at the source
  D. Deduplication reduction factor for the local EMC Data Domain system
  A. Reduction in segment size resulting from the configured compression type lz, gz, or gzfast

• Question 153:

  What is the maximum number of snapshots on an EMC Data Domain system?

  A. 255
  B. 256
  C. 750
  D. 1024
  C. 750

• Question 154:

  When creating virtual tapes on an EMC Data Domain system by specifying "L2" in the suffix of the virtual media barcode, which tape size will be created?

  A. 10 GB
  B. 50 GB
  C. 100 GB
  D. 200 GB
  D. 200 GB

• Question 155:

  A customer has an IBM Tivoli Storage Manager (TSM) environment with multiple EMC Data Domain systems.

  Backups are stored on Data Domain system A and replicated to Data Domain system B. The Tape Library contains a copy pool.

  Based on the exhibit, how many copies of the data must the TSM server database track at the primary site?

  

  A. 1
  B. 2
  C. 3
  D. 4
  B. 2

• Question 156:

  In an EMC Data Domain system with Extended Retention, what is used to move data to the Extended Retention Tier?

  A. Data Movement Policy
  B. HSM Movement Policy
  C. Cloning
  D. Duplication
  A. Data Movement Policy

• Question 157:

  A customer has two EMC Data Domain systems deployed with a collection replication configuration. Based on best practices, what should be configured if the customer has less than 6 Mb/s throughput between the installation sites?

  A. Low bandwidth optimization
  B. Gz compression
  C. Initial replication seeding
  D. Bi-directional replication
  A. Low bandwidth optimization

• Question 158:

  You are tasked with integrating two new EMC Data Domain systems into an existing EMC NetWorker environment. Due to customer requirements, a VTL will be created on each Data Domain and drives will be presented to each NetWorker storage node.

  Which best practice should be provided to the customer for this configuration?

  A. Configure persistent binding on all hosts
  B. Ensure less than five fabric hops
  C. Use switch encryption between the Data Domain and storage nodes
  D. Multiplex data on the tape drives on all storage nodes
  A. Configure persistent binding on all hosts

• Question 159:

  A customer has a backup environment with an EMC Data Domain system using DD Boost as illustrated in the exhibit. Distributed Segment Processing is enabled.

  

  Which component creates fingerprints of the data in the deduplication process?

  A. Data Domain system A
  B. Data Domain system B
  C. Backup Server
  D. LAN Clients
  C. Backup Server

• Question 160:

  Which command is used to check the SAS HBA card status on an EMC Data Domain system?

  A. disk port show summary
  B. enclosure show summary
  C. storage show all
  D. scsitarget show detailed-stats
  A. disk port show summary