1. What is a common approach to diagnosing and resolving storage performance issues?
Performance monitoring tools
Disabling backups
Reducing storage capacity
Ignoring alerts
Show Answer
✅ Correct Answer: Performance monitoring tools
2. Which Dell EMC software provides AI-driven storage analytics?
CloudIQ
Unisphere
PowerPath
SRM
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✅ Correct Answer: CloudIQ
3. What is the primary benefit of synchronous replication?
Zero data loss recovery
Low network bandwidth usage
No storage overhead
Eliminates need for backups
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✅ Correct Answer: Zero data loss recovery
4. Which technology helps reduce storage footprint through pattern matching?
Deduplication
Compression
Thin provisioning
RAID striping
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✅ Correct Answer: Deduplication
5. What is the purpose of a storage gateway in cloud environments?
Bridging on-premises and cloud storage
Replacing local storage entirely
Managing virtual machines
Providing cooling for servers
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✅ Correct Answer: Bridging on-premises and cloud storage
6. Which RAID level is best for write-intensive workloads?
RAID 10
RAID 5
RAID 6
RAID 0
Show Answer
✅ Correct Answer: RAID 10
7. What does QoS manage in storage systems?
Performance prioritization
Data encryption
Disk failure rates
Power consumption
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✅ Correct Answer: Performance prioritization
8. Which Dell EMC platform offers high-end enterprise storage?
PowerMax
Unity
Isilon
Data Domain
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✅ Correct Answer: PowerMax
9. What is the advantage of NVMe over SATA?
Lower latency and higher throughput
Higher capacity per drive
Lower cost
Better for cold storage
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✅ Correct Answer: Lower latency and higher throughput
10. Which feature protects against ransomware in backups?
Immutable snapshots
Thin provisioning
Deduplication
Compression
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✅ Correct Answer: Immutable snapshots
11. What is the primary use case for object storage?
Unstructured data and archives
High-frequency trading databases
Virtual machine boot volumes
In-memory caching
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✅ Correct Answer: Unstructured data and archives
12. Which protocol is used for file sharing in Linux environments?
Show Answer
✅ Correct Answer: NFS
13. What is the benefit of erasure coding?
Efficient data protection with reduced overhead
Faster disk writes
Lower power consumption
Simpler management
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✅ Correct Answer: Efficient data protection with reduced overhead
14. Which Dell EMC solution provides data mobility?
VPLEX
PowerStore
Isilon
XtremIO
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✅ Correct Answer: VPLEX
15. What is the purpose of storage profiles in virtualization?
Defining storage requirements for VMs
Replacing vMotion
Managing CPU allocation
Controlling network bandwidth
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✅ Correct Answer: Defining storage requirements for VMs
16. Which technology enables storage resource pooling?
Software-defined storage
Tape libraries
Optical drives
Single-disk systems
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✅ Correct Answer: Software-defined storage
17. What is the primary benefit of hyper-converged infrastructure?
Integrated compute and storage
Separate management interfaces
Higher latency
Lower scalability
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✅ Correct Answer: Integrated compute and storage
18. Which component ensures data integrity in storage systems?
Checksums
Cooling fans
Power supplies
LED indicators
Show Answer
✅ Correct Answer: Checksums
19. What is the role of a storage hypervisor?
Abstracting physical storage resources
Running virtual machines
Managing network switches
Providing cooling
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✅ Correct Answer: Abstracting physical storage resources
20. Which Dell EMC product is optimized for software-defined storage?
PowerFlex
Unity
PowerMax
Isilon
Show Answer
✅ Correct Answer: PowerFlex
21. What is the primary benefit of asynchronous replication?
Lower impact on production performance
Guaranteed zero data loss
No network bandwidth usage
Eliminates need for snapshots
Show Answer
✅ Correct Answer: Lower impact on production performance
22. Which Dell EMC solution specializes in backup and recovery appliances?
Data Domain
PowerStore
XtremIO
VPLEX
Show Answer
✅ Correct Answer: Data Domain
23. What is the purpose of thin provisioning?
Optimizing storage utilization
Increasing physical disk speed
Replacing RAID configurations
Eliminating backups
Show Answer
✅ Correct Answer: Optimizing storage utilization
24. Which protocol is used for block storage over Ethernet networks?
Show Answer
✅ Correct Answer: iSCSI
25. What is the key advantage of NVMe-oF (NVMe over Fabrics)?
Extends NVMe benefits across networks
Reduces storage capacity needs
Eliminates need for SSDs
Lowers cost compared to HDDs
Show Answer
✅ Correct Answer: Extends NVMe benefits across networks
26. Which feature helps maintain data availability during hardware failures?
Multipathing
Data compression
Thin provisioning
Deduplication
Show Answer
✅ Correct Answer: Multipathing
27. What is the primary use case for Dell EMC PowerScale (Isilon)?
Unstructured data storage
High-frequency trading databases
Virtual machine boot volumes
In-memory caching
Show Answer
✅ Correct Answer: Unstructured data storage
28. Which technology provides space-efficient snapshots?
Copy-on-write
Full clones
RAID 5
Tape backups
Show Answer
✅ Correct Answer: Copy-on-write
29. What is the benefit of storage tiering?
Cost optimization by aligning data with performance needs
Eliminating all flash storage
Reducing network bandwidth
Removing backup requirements
Show Answer
✅ Correct Answer: Cost optimization by aligning data with performance needs
30. Which Dell EMC software provides centralized storage management?
Unisphere
CloudIQ
PowerPath
SRM
Show Answer
✅ Correct Answer: Unisphere
31. What is the purpose of a storage SLA?
Define performance and availability guarantees
Limit storage expansion
Disable redundancy features
Reduce security protocols
Show Answer
✅ Correct Answer: Define performance and availability guarantees
32. Which RAID level provides fault tolerance with distributed parity?
RAID 5
RAID 0
RAID 1
RAID 10
Show Answer
✅ Correct Answer: RAID 5
33. What is the primary advantage of all-flash arrays?
Consistent low latency and high IOPS
Lower cost per TB than HDDs
Better for long-term archival
No need for data protection
Show Answer
✅ Correct Answer: Consistent low latency and high IOPS
34. Which component ensures non-disruptive operations in high-end storage?
Active-active controllers
Single power supply
Manual failover
Unencrypted data paths
Show Answer
✅ Correct Answer: Active-active controllers
35. What is the role of a volume manager?
Abstract physical disks into logical volumes
Replace RAID controllers
Manage network switches
Cool storage hardware
Show Answer
✅ Correct Answer: Abstract physical disks into logical volumes
36. Which Dell EMC product offers midrange unified storage?
Unity
PowerMax
XtremIO
Isilon
Show Answer
✅ Correct Answer: Unity
37. What is the benefit of compression in storage systems?
Reduces physical storage consumption
Increases disk latency
Eliminates need for backups
Replaces RAID functionality
Show Answer
✅ Correct Answer: Reduces physical storage consumption
38. Which protocol encapsulates Fibre Channel over Ethernet?
Show Answer
✅ Correct Answer: FCoE
39. What is the primary security risk mitigated by storage encryption?
Data breaches from physical theft
Hardware failures
Network latency
Power outages
Show Answer
✅ Correct Answer: Data breaches from physical theft
40. Which technology enables storage scalability without downtime?
Scale-out architecture
RAID 0
Tape libraries
Single-controller systems
Show Answer
✅ Correct Answer: Scale-out architecture
41. What is the purpose of a quorum in distributed storage?
Maintain consistency during failures
Increase disk capacity
Reduce network speed
Disable redundancy
Show Answer
✅ Correct Answer: Maintain consistency during failures
42. Which Dell EMC feature provides application-aware data protection?
AppSync
PowerPath
Unisphere
CloudIQ
Show Answer
✅ Correct Answer: AppSync
43. What is the advantage of persistent memory in storage systems?
Near-DRAM speed with non-volatility
Lower cost than HDDs
Replaces all flash storage
Eliminates need for networks
Show Answer
✅ Correct Answer: Near-DRAM speed with non-volatility
44. Which metric is most critical for latency-sensitive applications?
IOPS at low queue depths
Total storage capacity
Compression ratios
Deduplication savings
Show Answer
✅ Correct Answer: IOPS at low queue depths
45. What is the primary benefit of PowerStore's container-based architecture?
Agile scalability and automation
Lower power consumption
Eliminates need for SSDs
Reduces network requirements
Show Answer
✅ Correct Answer: Agile scalability and automation
46. Which technology helps predict storage failures?
AI-driven analytics (e.g., CloudIQ)
Manual disk checks
Reducing capacity
Disabling RAID
Show Answer
✅ Correct Answer: AI-driven analytics (e.g., CloudIQ)
47. What is the purpose of storage multi-tenancy?
Isolate resources for different users/groups
Increase single-tenant performance
Reduce all storage costs
Eliminate backups
Show Answer
✅ Correct Answer: Isolate resources for different users/groups
48. Which Dell EMC solution integrates with VMware for data protection?
Avamar
PowerMax
Isilon
VPLEX
Show Answer
✅ Correct Answer: Avamar
49. What is the benefit of dynamic tiering in storage arrays?
Automatically moves data to optimal tier
Eliminates SSDs
Reduces network bandwidth
Replaces RAID
Show Answer
✅ Correct Answer: Automatically moves data to optimal tier
50. Which protocol is native to Windows file sharing?
Show Answer
✅ Correct Answer: SMB
51. What is the primary advantage of PowerMax's SCM (Storage Class Memory)?
Ultra-low latency for critical apps
Lower cost than HDDs
No need for data protection
Eliminates networking
Show Answer
✅ Correct Answer: Ultra-low latency for critical apps
52. Which feature ensures data integrity during transmission?
End-to-end checksums
Thin provisioning
Deduplication
Compression
Show Answer
✅ Correct Answer: End-to-end checksums
53. What is the role of PowerPath in storage environments?
Multipathing and load balancing
Data deduplication
Storage tiering
Backup scheduling
Show Answer
✅ Correct Answer: Multipathing and load balancing
54. Which Dell EMC technology enables non-disruptive data migration?
VPLEX Metro
Data Domain
Isilon
Avamar
Show Answer
✅ Correct Answer: VPLEX Metro
55. What is the benefit of a scale-out NAS architecture?
Linear performance and capacity growth
Lower cost than object storage
No need for networks
Replaces all flash arrays
Show Answer
✅ Correct Answer: Linear performance and capacity growth
56. Which metric is most important for backup storage?
Deduplication ratio
IOPS
Network latency
Power consumption
Show Answer
✅ Correct Answer: Deduplication ratio
57. What is the purpose of storage QoS policies?
Guarantee performance for critical apps
Reduce total capacity
Eliminate redundancy
Disable encryption
Show Answer
✅ Correct Answer: Guarantee performance for critical apps
58. Which Dell EMC product is optimized for DevOps workflows?
PowerFlex
Unity
PowerMax
Data Domain
Show Answer
✅ Correct Answer: PowerFlex
59. What is the advantage of cloud-tiering for cold data?
Cost-effective long-term retention
Better performance than flash
Replaces primary storage
Eliminates local storage
Show Answer
✅ Correct Answer: Cost-effective long-term retention
60. Which component is critical for high-availability storage?
Redundant power and cooling
Single disk systems
Manual failover
Unencrypted data
Show Answer
✅ Correct Answer: Redundant power and cooling
61. What is the primary use case for Dell EMC ECS (Elastic Cloud Storage)?
Massive-scale object storage
High-frequency trading
VMware boot volumes
In-memory databases
Show Answer
✅ Correct Answer: Massive-scale object storage
62. Which technology reduces storage costs for inactive data?
Automated tiering to object storage
All-flash arrays
In-memory caching
RAID 10
Show Answer
✅ Correct Answer: Automated tiering to object storage
63. What is the benefit of PowerStore's AppsON feature?
Run VMs directly on the array
Eliminate networking
Replace all backups
Disable encryption
Show Answer
✅ Correct Answer: Run VMs directly on the array
64. Which protocol is used for high-performance SANs?
Fibre Channel
HTTP
FTP
SMTP
Show Answer
✅ Correct Answer: Fibre Channel