DES-1721 Online Practice Questions and Answers

An administrator wants to configure an SC Series array to use Virtual Port Mode. What is a requirement to accomplish this task?

A. NPIV must be disabled on Fibre Channel switches

B. I/O Controller cards must use a single-ID firmware version

C. Fibre Channel switches must use a switched fabric topology D. Activation license must be purchased and installed

When configuring an SC Series array, why should a 4 MB data page size be selected?

A. When systems have large files with infrequent snapshots

B. This is the default data page size

C. This is an invalid data page size and cannot be selected

D. When applications have high performance needs

A customer notices a volume is using an above average amount of Tier 1 RAID 10 space. What can be done to force this data into a lower RAID set/Tier?

A. Stop I/O to the volume

B. Change the storage profile of the volume

C. Take a manual snapshot

D. Move data to a different volume

An administrator wants to configure an SC Series array to use Virtual Port Mode. What is a requirement to accomplish this task?

A. I/O Controller cards must use a single-ID firmware version

B. Activation license must be installed

C. NPIV must be disabled on Fibre Channel switches

D. Fibre Channel switches must use an arbitrated loop topology

You just installed two SC7020 storage arrays with plans to bring them into production shortly. What is recommended for deploying the Dell Storage Manager (DSM) Data Collector?

A. Install and use the DSM Virtual Appliance

B. Use the embedded database

C. Dedicate 2 GB of RAM to the Data Collector

D. Use an external SQL database

Which best practices should be followed when using iSCSI to connect SC Series arrays and hosts?

A. Use dedicated switches for iSCSI. Two separate VLANS for multipathed iSCSI using separate IP subnets. Gigabit full duplex between Storage Center and all local servers.

B. Use separate IP subnets for multipathed iSCSI separated by VLANS when using the same switch. Gigabit full duplex between Storage Center and all local servers

C. Use separate switches for iSCSI. Two separate VLANs for multipathed iSCSI using separate IP subnets. Unicast and multicast storm control enabled on all iSCSI switches.

D. Use separate VLANs for multipathed iSCSI using separate IP subnets when using the same switch. Bi-directional flow control disabled between Storage Center and servers.

You recently deployed two SC9000 storage arrays at a customer site one week ago and verified that everything was working correctly with replication. However, the customer notifies you that every time they tested disaster recovery (DR), they lost access to the volumes when the DR array shut down.

Why did the volumes become inaccessible during testing?

A. Asynchronous Replication with Deduplication

B. High Consistency Synchronous Replication

C. Asynchronous Replication with Active Replay

D. High Availability Synchronous Replication

Which SC Series array feature allows all front-end ports to act as active data paths?

A. Dual Fabric

B. ALUA

C. Virtual Port Mode

D. Legacy Port Mode

What is the maximum number of drives that can be supported on an SC9000 storage array?

A. 948

B. 960

C. 1024

D. 1048

What type of Host connectivity is required for Live volume?

A. FCoE

B. MPIO

C. TOE Host Bus Adapter

D. Target Initiator to the Primary system