EMC E20-385 Online Practice Questions and Exam Preparation

EMC E20-385 Online Questions & Answers

• Question 201:

  What is the maximum number of MTrees that can be created on an EMC Data Domain system?

  A. 14
  B. 32
  C. 100
  D. 750
  C. 100

• Question 202:

  Which CLI command will display information about disks in EMC Data Domain enclosures?

  A. disk show state
  B. enclosure show topology
  C. enclosure show summary
  D. disk status
  A. disk show state

• Question 203:

  Which EMC Data Domain feature requires a software license?

  A. Link Aggregation
  B. Virtual Tape Library
  C. VLAN Tagging
  D. Snapshots
  B. Virtual Tape Library

• Question 204:

  What is indicated by a flashing green SAS state LED on an EMC Data Domain ES20 SAS controller?

  A. Connection problem
  B. Connection established
  C. RAID reconstruction in progress
  D. Connection in process
  D. Connection in process

• Question 205:

  In an EMC Data Domain environment, which protocol is required for DD Boost?

  A. CIFS
  B. Fibre Channel
  C. TCP/IP
  D. NDMP
  C. TCP/IP

• Question 206:

  A customer has two EMC Data Domain systems. They plan to perform replication seeding before moving the replication target to a secured site by a third-party. The customer wants to protect the system from unauthorized data access. What must be done to ensure the system is protected from unauthorized access or accidental exposure?

  A. Enable encryption and lock the file system
  B. Ensure system sanitization is performed before transport
  C. Enable local compression and archive the data
  D. Ensure system administrator credentials are updated with a strong password
  A. Enable encryption and lock the file system

• Question 207:

  What is a benefit of EMC Data Domain Boost?

  A. Improves deduplication over VTL
  B. Eliminates the need for replication between two Data Domain systems
  C. Improves performance with advanced load balancing and failover
  D. Does not require a software license
  C. Improves performance with advanced load balancing and failover

• Question 208:

  You have been tasked with configuring an NFS export on an EMC Data Domain for use on a Symantec NetBackup media server. The NetBackup media server is running Linux O/S. All configuration tasks were completed on the Data Domain.

  You have created the NFS mount point, mounted the Data Domain NFS export, and created a directory for backups. After the first reboot, you notice that the Data Domain NFS exports are no longer mounted on the Linux media server.

  Which file needs to be modified on the Linux media server to allow Data Domain to be mounted after reboots?

  A. /etc/fstab
  B. /etc/vfstab
  C. /etc/modprobe.conf
  D. /etc/resolv.conf
  A. /etc/fstab

• Question 209:

  On 8/15, what causes the drop in disk usage on the EMC Data Domain system as illustrated in the exhibit?

  

  A. Data was deleted on the system and file system cleaning completed
  B. Data was deleted on the system and no longer used
  C. Better deduplication ratios and less storage was needed
  D. More storage was added and allowed for higher compression
  A. Data was deleted on the system and file system cleaning completed

• Question 210:

  Refer to the exhibit.

  

  When monitoring the system show stats command output, you notice that the "Disk Write KiB/s" column does not have same data rate as "Net eth0a in MB/s" column. What is a possible reason for this behavior?

  A. High inline deduplication on the Data Domain system
  B. Pre-encrypted data written to the Data Domain system
  C. Pre-compressed data written to the Data Domain system
  D. High internal file system latency on the Data Domain system
  A. High inline deduplication on the Data Domain system