Dell EMC Midrange Best Practices, Sizing, and Design
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A Dell EMC SC Series customer has purchased the Storage Optimization bundle and wants to ensure that Data Progression works efficiently. Which snapshot schedule conforms to best practice when using Data Progression?
ADaily snapshot with an expiration of no more than 23 hours
BDaily snapshot with an expiration of exactly 24 hours
CDaily snapshot with an expiration of at least 25 hours
DDaily snapshot configured with no expiration time
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Dell EMC Midrange Best Practices, Sizing, and Design
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Dell EMC Midrange Product Solutions
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Dell EMC Midrange Best Practices, Sizing, and Design
A Dell EMC SC180 is currently populated with 4 SSDs and 24 HDDs, totaling 28 disks. What is the minimum number of disks that can be licensed for expansion?
A10
B14
C20
D28
Using customer-supplied information, you have designed a solution using a Dell EMC Unity 400F with 250 drives. The customer now wants to increase the drive count to 340 drives at the lowest cost.
Which Unity model configuration should be recommended?
AKeep the Unity 400F and add two 80-drive DAEs
BKeep the Unity 400F and add four 25-drive DAEs
CUpgrade to a Unity 500F and add two 80-drive DAEs
DUpgrade to a Unity 500F and add two 25-drive DAEs
At which point is the Dell EMC Unity FAST Cache capacity reclaimed when a FAST Cache shrink operation is performed?
AWhen the shrink operation is started
BAfter all FAST Cache drives are deleted
CAfter all dirty pages are cleaned within a set of drives
DAfter the contents of FAST Cache are written to memory
You are designing a Dell EMC Unity storage system for a customer who is concerned about power requirements. How much primary power is provided by each
DPE power supply?
A200 Watts
B400 Watts
C800 Watts
D1100 Watts
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Dell EMC Midrange Best Practices, Sizing, and Design
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Dell EMC Midrange Architectures
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Dell EMC Midrange Best Practices, Sizing, and Design
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Dell EMC Midrange Best Practices, Sizing, and Design
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Dell EMC Midrange Best Practices, Sizing, and Design
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What is recommended to maximize system performance on Dell EMC Unity systems?
AAvoid distributing host connections across front-end ports
BUse LACP for iSCSI connectivity
CBuild storage pools with many drives
DBuild storage pools with fewer drives
Which feature controls the access to Dell EMC Unity storage resources using policies with throughput and bandwidth thresholds?
AQuality of Service
BData Progression
CQuotas
DFAST VP
What is a benefit of using single-tier Flash with Dell EMC SC Series?
ASupport for write-intensive and read-intensive SSDs in the same tier
BRAID 5/RAID 6 is converted to RAID 10 for increased efficiency
CSnapshot data is sent to RAID 10 write-intensive SSDs to optimize capacity
DWrites are sent to RAID 10 write-intensive SSDs for better performance
A customer is considering a Dell EMC SC Series storage solution for their business. Which tool can be used to help determine the IOPS target for the solution?
AMicrosoft Disk Manager
BFibre Channel or Ethernet Switch Logs
CDell Performance Analysis Collection Kit
DWireshark Protocol Analyzer
A customer wants to replace a PowerVault MD that has SAS-connected rack-mount 13G PowerEdge servers. The servers need to remain unmodified. Which Dell
EMC SC Series solution is recommended?
ASCv2000 and SC8000
BSC4020 and SCv2000
CSC4020 and SC8000
DSC9000 and SC8000
A customer wants to add self-encrypting SSDs to a Dell EMC SC8000 system running SCOS version 6.5. They have deployed a SafeNet Key Management server in the network. Does the customer need to do anything else?
ANo. Add and manage the SSDs in the disk folder.
BYes. Upgrade the hardware to SC9000 and SC220 enclosures.
CYes. Upgrade to SCOS 6.7 release or newer.
DYes. Add a new enclosure exclusively for the SSDs.
What is a benefit of cross-platform replication between Dell EMC SC Series and PS Series?
AActive Snapshot Replication
BLive Volume Replication
CCompression of replicated data
DLeverages existing interfaces
A DPACK report shows that a customer needs a design to handle 21,000 IOPS from all servers with a read/write percentage of 70/30. What will be the target back-end IOPS for a Dell EMC SC Series array design?
A21,000 IOPS
B25,200 IOPS
C27,300 IOPS
D35,700 IOPS
A customer plans to purchase a Dell EMC Unity storage system for their file storage needs. The solution must provide a way to limit the storage capacity offered to the users. Which Unity feature will provide this functionality?
AHost I/O Limits
BThin Clones
CFile System Shrink
DFile System Quotas
A customer is using High Consistency mode for replication with a Dell EMC SC9000. What will happen if the remote DR volume is unavailable?
AWrites will stop to the source volume if the connection to the remote DR volume is unavailable
BAll access to the source volume will be prohibited, replication will need to be reconfigured
CWrites will continue to the source volume and synchronize once the remote DR volume is available
DAutomated failover will occur, reconnecting the replication from the surviving controller
A customer has an OLTP application running on a host accessing Dell EMC Unity Block storage. The application performance is experiencing CPU bottlenecks caused by iSCSI workloads. As a result, you are recommending the addition of an expansion module with an iSCSI Offload engine to the Unity system.
Which Unity expansion module is recommended?
A2-port 10 GB/s iSCSI module with SFP
B4-port 1 GB/s GbaseT module RJ45
C4-port 10 GB/s iSCSI module with SFP
D4-port 10 GB/s GbaseT module RJ45
Which Dell EMC tool uses an HTML5 interface and best practices to predict storage performance?
AUnity Sizer
BUnity Designer
CMiTrend
DAnalyzer Helper
Which Dell EMC Unity feature is beneficial for data protection designs but has a negative impact on performance designs?
AUnity Compression for Block
BSynchronous remote replication
CUnity Compression for File
DData at Rest Encryption
What is the minimum SCOS version required to implement Storage QoS in a Dell EMC SC Series storage?
ASCOS version 6.5
BSCOS version 6.7
CSCOS version 7.0
DSCOS version 7.1
You are designing a solution that will provide integration of a Dell EMC Unity storage array with a virtualized environment by provisioning VMFS datastores accessed through Fibre Channel. The customer uses the infrastructure for VDI deployment and provisioning of regular VMs. The host access is balanced by
Quality of Service (QoS).
Which Unity QoS feature will address the expected Boot storm caused by powering up the virtual desktops at a certain time of the day?
AQuotas
BDensity-based Policy
CBurst Policy
DHost I/O Limit Pause
When designing a Dell EMC SC Series system, which factors are important to understand regarding performance?
AI/O Size and Read Size
BWrite Size and Latency
CLatency and Queue Depth
DTransport and Queue Depth
A customer has a Dell EMC Unity 550F with a single pool consisting of 10 drives configured as a RAID 5 (4+1) configuration. What is the minimum amount of drives required to expand the pool?
A1
B5
C6
D10
You are designing a Dell EMC Unity solution for a customer. The customer requires protection against the loss of a site for an application that is sensitive to long response times. Which Unity feature meets these requirements?
AIncremental Attach
BAsynchronous Replication
CNative SANCopy Import
DSynchronous Replication
Which value should be used for back-end sizing when planning a Dell EMC SC Series solution?
A1x front-end throughput
B2x front-end throughput
C3x front-end throughput
D4x front-end throughput
Based on Dell EMC SC Series architecture and sizing best practices, how should the total amount of IOPS be distributed on a 2-tier solution?