Dell DES-1721 Exam
Specialist - Implementation Engineer-SC Series Exam (Page 3 )

Updated On: 7-Feb-2026

Which operating system runs the Dell Storage Manager (DSM) as a virtual appliance?

  1. CentOS 7
  2. Windows Server 2012 R2
  3. VMware
  4. Windows Server 2010 R2

Answer(s): C



Which best practices should be followed when using iSCSI to connect SC Series arrays and hosts for switches that incorrectly negotiate speed and duplex?

  1. Use a separate supernet or switches for iSCSI trafficGigabit full duplex hard set for all iSCSI portsEnsure switches used for iSCSI are of a blocking design
  2. Use a separate VLAN or switches for iSCSI trafficAuto-negotiate for all switchesEnsure switches used for iSCSI are of a non-blocking design
  3. Use a separate VLAN or switches for iSCSI trafficGigabit full duplex hard set for all iSCSI portsEnsure switches used for iSCSI are of a non-blocking design
  4. Use a separate subnet or switches for iSCSI trafficAuto-negotiate for all switchesEnsure switches used for iSCSI are of a blocking design

Answer(s): C



DRAG DROP (Drag and Drop is not supported)
What is the correct system hierarchy of SC Series array storage virtualization?

  1. See Explanation for the Answer.

Answer(s): A

Explanation:



Assume a storage administrator is using the recommended storage profile.
What describes the distribution of volume data residing in an SC series storage array that has 15K and 7K as the back- end?

  1. New and frequently accessed replay data in Tier 1 RAID 5Aged replay data and inaccessible data in Tier 3 RAID 6
  2. New data in Tier 1 RAID 10Frequently accessed replay data in Tier 1 RAID 5Aged replay data and inaccessible data in Tier 3 RAID 6
  3. New data in Tier 1 RAID 10Frequently accessed replay data in Tier 2 RAID 5Aged replay data and inaccessible data in Tier 3 RAID 6
  4. New and frequently accessed replay data in Tier 1 RAID 10Aged replay data and inaccessible data in Tier 3 RAID 6

Answer(s): B



A customer is facing poor performance on all synchronously replicated volumes every Thursday between 4 PM and 6 PM. All departments have checked their applications for any batch jobs; however, nothing was found. The I/O graphs do not show any anomaly and the replication links are not saturated.
What is the possible reason for this behavior?

  1. Switches used for replication are restarting
  2. QoS Bandwidth Limit is enabled in the QoS node
  3. Data Progression is consuming all disk performance
  4. Automatic report creation is impacting replication

Answer(s): B






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