Dell DES-1721 Certification Practice Questions & Answers

Question 6 of 147

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

A.

CentOS 7

B.

Windows Server 2012 R2

C.

VMware

D.

Windows Server 2010 R2

Question 7 of 147

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

A.

Use a separate supernet or switches for iSCSI traffic Gigabit full duplex hard set for all iSCSI ports Ensure switches used for iSCSI are of a blocking design

B.

Use a separate VLAN or switches for iSCSI traffic Auto-negotiate for all switches Ensure switches used for iSCSI are of a non-blocking design

C.

Use a separate VLAN or switches for iSCSI traffic Gigabit full duplex hard set for all iSCSI ports Ensure switches used for iSCSI are of a non-blocking design

D.

Use a separate subnet or switches for iSCSI traffic Auto-negotiate for all switches Ensure switches used for iSCSI are of a blocking design

Question 8 of 147

DRAG DROP -
What is the correct system hierarchy of SC Series array storage virtualization?
Select and Place:
Exam DES-1721: Question 8 - Image 1

Question 9 of 147

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?

A.

New and frequently accessed replay data in Tier 1 RAID 5 Aged replay data and inaccessible data in Tier 3 RAID 6

B.

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

C.

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

D.

New and frequently accessed replay data in Tier 1 RAID 10 Aged replay data and inaccessible data in Tier 3 RAID 6

Question 10 of 147

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?

A.

Switches used for replication are restarting

B.

QoS Bandwidth Limit is enabled in the QoS node

C.

Data Progression is consuming all disk performance

D.

Automatic report creation is impacting replication