EMC E20-357 Online Practice Questions and Exam Preparation

EMC E20-357 Online Questions & Answers

• Question 111:

  Which command(s) writes uncommitted data from NVRAM to disk on an EMC Isilon node?

  A. isi_flush
  B. isi devices
  C. isi config >>> commit
  D. isi_for_array -s isi update
  A. isi_flush

• Question 112:

  Which daemon accepts client SMB connections on an EMC Isilon cluster?

  A. lwiod
  B. smbd
  C. srvsvcd
  D. winbindd
  A. lwiod

• Question 113:

  What is a major advantage of the DSP in version 7.1.1 and later?

  A. The nodes remain online during the update process
  B. The updated node remains offline during the process and joins the cluster after the update
  C. It will update the node firmware non-disruptively
  D. It automatically updates all drives simultaneously
  A. The nodes remain online during the update process

• Question 114:

  A storage administrator used the shutdown -p command to bring down an EMC Isilon cluster. What could be the result of this action?

  A. Data can become corrupted on the filesystem
  B. The filesystem could be left mounted when all nodes have shut down
  C. The NVRAM will be flushed
  D. Confirmation must first be acknowledged before actual shutdown
  A. Data can become corrupted on the filesystem

• Question 115:

  A storage administrator is planning a firmware update on a cluster with 10 x NL400, 72 TB nodes. The update will take place during a period of low activity. Approximately how much time would the update of the cluster take?

  A. 1 Hour and 40 minutes
  B. 3 Hours and 20 minutes
  C. 50 minutes
  D. 2 hours and 30 minutes
  A. 1 Hour and 40 minutes

• Question 116:

  Which command provides information about the current operational situation of the cluster, events, and jobs?

  A. isi status
  B. isi devices
  C. isi events
  D. isi services
  A. isi status

• Question 117:

  What is the recommended best practice when setting snapshot deletion schedules?

  A. Determined by your RTO and RPO SLAs
  B. Set to six times the length of the snapshot policy period
  C. Set to delete after the next snapshot is taken
  D. Set to one year after the snapshot is taken
  A. Determined by your RTO and RPO SLAs

• Question 118:

  A customer is worried about the possibility of exceeding the node pool storage capacity when a data rebuild is required from a failed hard drive. What configuration setting(s) should be verified and included when you configure the cluster?

  A. Enable VHS, and deny data writes to reserved disk space
  B. Enable L3 cache
  C. Enable GNA
  D. Increase the node pool default requested protection level
  A. Enable VHS, and deny data writes to reserved disk space

• Question 119:

  During the install, a new EMC Isilon customer insists that they need SmartLock Compliance mode for their cluster. After a few days, they decide they want to revert back to a standard Isilon Cluster. How can this be done?

  A. Re-image the complete cluster
  B. Reboot the cluster into standard mode
  C. Deactivate SmartLock and unlicense the feature
  D. Downgrade OneFS and disable SmartLock Compliance mode
  A. Re-image the complete cluster

• Question 120:

  A customer is upgrading their EMC Isilon nodes as part of a technology refresh. The nodes to be replaced cannot be upgraded to the later version of OneFS that is required by the newer nodes. What refresh process is appropriate in this case?

  A. Use SyncIQ to migrate the data from the old cluster to the new cluster
  B. Add the new nodes to the existing cluster and use SmartPools to migrate the data
  C. Add the new nodes one at a time and SmartFail out the old nodes
  D. Downgrade the new nodes to the version of OneFS running on the old nodes
  A. Use SyncIQ to migrate the data from the old cluster to the new cluster