EMC DES-1721 Actual Free Exam Questions & Community Discussion

Exam Code/Number: DES-1721
Exam Name/Title: Specialist - Implementation Engineer, SC Series Exam
Certification Provider: EMC
Corresponding Certification: DECS-IE

Exam Questions: 150
Updated On: Jul 11, 2026

Question #41

Which 64-bit server operating systems are compatible with the Dell Storage Manager (DSM) Client?

A. Windows Server 2008 R2, Windows Server 2012 R2, and Windows 2016

B. Windows Server 2008 R2, Red Hat Enterprise Linux 7, and Windows Server 2012 R2

C. Red Hat Enterprise Linux 6, Windows Server 2016, and Windows Server 2008 R2

D. Red Hat Enterprise Linux 6, Windows Server 2012 R2, and Windows Server 2008 R2

Discussion 0

Correct Answer: B Vote an answer

Question #42

When performing the initial configuration on an SC9000 through the serial port, which command is used to reboot the controller?

A. qle factoryreset 5 0

B. cs purge all

C. -restart

D. -reset

Discussion 0

Correct Answer: A Vote an answer

Question #43

To allow the Storage Center Update Utility (SCUU) to serve updates, which inbound TCP port should be opened on the Microsoft Windows firewall?

A. 443

B. 9005

C. 3033

D. 8443

Discussion 0

Correct Answer: B Vote an answer

Question #44

You have just deployed an SC Series array in Virtual Port Mode. What is the correct sequence of steps to perform an array port failover test?

Discussion 0

Correct Answer:

Question #45

Refer to the exhibit.

When scanning Fibre Channel on a QLogic HBA what information can be obtained?

A. WWN of the connected Storage Center

B. The volume mapped to the QLogic HBA

C. WWN of the QLogic HBA

D. WWN of the SAN switch

Discussion 0

Correct Answer: B Vote an answer

Question #46

A SC5020 has been installed and it is using front-end SAS. There is a problem on Server A and Server B during Controller failover. Each server has a connection in Fault Domains 1 and 2.
What is wrong?

A. Servers must have all connections in a single Fault Domain

B. Asymmetric Logical Unit Access (ALUA) is not properly configured

C. SAS switch configuration issue

D. SC5020 does not support SAS as the front-end

Discussion 0

Correct Answer: C Vote an answer

Question #47

You are deploying a new SC9000 system running Storage Center OS 7.2. At which drive size does the system require you to begin running dual redundancy on both SSDs and HDDs?

A. 2.0 TB and larger for SSDs4.0 TB and larger for HDDs

B. 4.0 TB and larger for SSDs4.0 TB and larger for HDDs

C. 4.0 TB and larger for SSDs2.0 TB and larger for HDDs

D. 8.0 TB and larger for SSDs2.0 TB and larger for HDDs

Discussion 0

Correct Answer: C Vote an answer

Question #48

You recently added a second Storage Center to your network. Both systems were added to DSM, and you can ping the iSCSI ports of the remote system. You are planning to replicate between your two systems, but you cannot get the Replication Wizard to launch.
What item is missing?

A. Data Progression is not running on both systems

B. Deduplication is enabled on the source system

C. Both systems do not have a QoS setting enabled

D. Remote Instant Replay license has not been applied

Discussion 0

Correct Answer: B Vote an answer

Question #49

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 10Aged replay data and inaccessible data in Tier 3 RAID 6

B. 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

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

D. 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

Discussion 0

Correct Answer: D Vote an answer

Question #50

How many SAS ports are used on each EMM of an SC460?

A. 2

B. 4

C. 3

D. 1

Discussion 0

Correct Answer: B Vote an answer

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