EMC EMCSA E20-559 Questions & Answers

• Question 11:

  What is a valid hierarchical structure in the Isilon Job Engine v2.0?

  A. Jobs contain phases

  B. Tasks contain phases

  C. Tasks contain jobs

  D. Items contain tasks

  Correct Answer: A

• Question 12:

  What happens in the Job Engine v2.0 when an error occurs in a phase on an Isilon cluster?

  A. Job is marked failed

  B. Job pauses

  C. Phase pauses

  D. Task fails

  Correct Answer: A

• Question 13:

  What accurately describes a characteristic of EMC OneFS protocol auditing?

  A. Can be enabled on a per access zone basis

  B. Cannot be enabled if the isi_audit_cee daemon is running

  C. Can only audit for success, not failure

  D. Requires syslog forwarding to also be configured

  Correct Answer: A

• Question 14:

  If an Isilon has been integrated into an existing Hadoop environment, what explains how the HDFS data will be distributed?

  A. HDFS data on Isilon and computations will be handled by Hadoop

  B. HDFS data remains on Hadoop; computations is handled by Isilon

  C. Files are stored in a specialized HDFS compatible file system format on the Isilon cluster

  D. MapReduce on the Isilon allows data to be distributed across both platforms

  Correct Answer: A

• Question 15:

  What is a valid simultaneous job combination on an Isilon Engine v2.0?

  A. One Restripe job, one Mark job, and one All-Other job

  B. One Restripe job, one All-Other job and one Multiscan job

  C. One Restripe job and two Mark jobs

  D. Two Restripe jobs and one All-Other job

  Correct Answer: A

• Question 16:

  How many Isilon Job Engine v2.0 components will be present on a single node?

  A. One director

  B. Two managers per job

  C. Two workers per task

  D. Three coordinators

  Correct Answer: A

• Question 17:

  Which jobs are used to help distribute file data across an Isilon cluster?

  A. AutoBalance, AutoBalanceLin, FlexProtect, and SmartPools

  B. AutoBalance, IntegrityScan, Multiscan, and ShadowStoreProtect

  C. IntegrityScan, TreeDelete, AutoBalance, and SetProtectPlus

  D. MediaScan, Collect, QuotaScan, and AVScan

  Correct Answer: A

• Question 18:

  If configuration auditing is enabled, where are the audit logs stored?

  A. /var/log/audit_config.log

  B. /var/log/isi_papi_d_audit.log

  C. /ifs/.ifsvar/audit/config.log

  D. /ifs/.ifsvar/audit/audit.log

  Correct Answer: A

• Question 19:

  Which type of administrator commands does configuration auditing track?

  A. PAPI-enabled commands

  B. Commands run by the "root" user

  C. Commands run by the SystemAdmin and CompAdmin users only

  D. All UNIX, isi, isi_ and sudo commands

  Correct Answer: A

• Question 20:

  In an Isilon Hadoop configuration, what changes occur in the event there is a failure of an Isilon node running as a NameNode?

  A. Another Isilon node will immediately pick up the function of the NameNode and metadata will be preserved

  B. Administrative intervention will be required to failover the NameNode

  C. Affected node will be SmartFailed since metadata assigned to the failed NameNode can be compromised

  D. Administrator can configure a replacement NameNode; all metadata will be preserved

  Correct Answer: A