Dell Dca Ism Associate Info Storage Management V15 Practice Test - Set 1
Test your knowledge with this Dell Dca Ism Associate Info Storage Management V15 mock exam. Get real-world IT questions and prepare for certification success.
DCA-ISM v15: Dell Associate Information Storage Management - Exam Information
Exam Information
Exam Code
Dell Dca Ism Associate Info Storage Management V15
Exam Title
DCA-ISM v15: Dell Associate Information Storage Management
Vendor
Dell
Difficulty
Associate
Duration
90 Minutes
Question Format
Multiple Choice
Last Updated
March 10, 2025
Updated with the latest storage protocols and technologies.
1. Which storage protocol is commonly used for high-speed data transfer in enterprise environments?
NVMe
USB 2.0
PATA
Floppy disk
✅ Correct Answer: NVMe
2. What is the primary benefit of RAID 6 over RAID 5?
Dual parity for two-disk failure tolerance
Faster write speeds
Lower storage overhead
No difference
✅ Correct Answer: Dual parity for two-disk failure tolerance
3. Which Dell EMC product is designed for unstructured data storage?
Isilon
PowerMax
Unity
XtremIO
✅ Correct Answer: Isilon
4. What does SAN stand for in storage terminology?
Storage Area Network
System Access Node
Secure Archive Network
Serial Attached Network
✅ Correct Answer: Storage Area Network
5. Which technology allows multiple servers to access the same storage simultaneously?
Clustered storage
Tape backup
Optical storage
Single-disk storage
✅ Correct Answer: Clustered storage
6. What is the purpose of thin provisioning?
Optimizing storage utilization
Increasing physical disk speed
Replacing RAID controllers
Disabling encryption
✅ Correct Answer: Optimizing storage utilization
7. Which protocol is used for block-level storage access over IP networks?
iSCSI
NFS
SMB
FTP
✅ Correct Answer: iSCSI
8. What is the main advantage of all-flash arrays?
Low latency and high IOPS
Lowest cost per TB
Best for cold storage
Highest power consumption
✅ Correct Answer: Low latency and high IOPS
9. Which component manages data flow between hosts and storage devices?
Storage controller
Network switch
CPU
Power supply
✅ Correct Answer: Storage controller
10. What is the primary function of a LUN?
Logical representation of storage to hosts
Physical disk identifier
Network bandwidth limiter
Cooling system controller
✅ Correct Answer: Logical representation of storage to hosts
11. Which RAID level provides mirroring without parity?
RAID 1
RAID 5
RAID 6
RAID 0
✅ Correct Answer: RAID 1
12. What does NAS primarily provide?
File-level storage access
Block-level storage
In-memory caching
Backup automation
✅ Correct Answer: File-level storage access
13. Which Dell EMC solution offers midrange unified storage?
PowerStore
Data Domain
Avamar
RecoverPoint
✅ Correct Answer: PowerStore
14. What is the benefit of storage tiering?
Cost optimization by data placement
Eliminating backups
Reducing network latency
Removing RAID requirements
✅ Correct Answer: Cost optimization by data placement
15. Which protocol is native to Fibre Channel SANs?
FCP
iSCSI
NFS
SMB
✅ Correct Answer: FCP
16. What is the purpose of deduplication?
Eliminating duplicate data blocks
Increasing disk rotation speed
Improving network throughput
Reducing controller cache size
✅ Correct Answer: Eliminating duplicate data blocks
17. Which feature ensures continuous availability during hardware failures?
High availability clustering
Single-controller architecture
Manual failover processes
Cold storage migration
✅ Correct Answer: High availability clustering
18. What is NVMe-oF used for?
Extending NVMe over networks
Replacing hard disk drives
Managing tape libraries
Controlling cooling systems
✅ Correct Answer: Extending NVMe over networks
19. Which Dell EMC product provides data protection through backups?
Data Domain
PowerMax
Isilon
XtremIO
✅ Correct Answer: Data Domain
20. What is the primary advantage of scale-out storage architecture?
Linear scalability by adding nodes
Fixed capacity limits
Higher per-node cost
Reduced network requirements
✅ Correct Answer: Linear scalability by adding nodes
21. What does LUN stand for in storage terminology?
Logical Unit Number
Large Unified Node
Link Usage Network
Local Unit Name
✅ Correct Answer: Logical Unit Number
22. Which storage solution is best for structured data like databases?
Block storage
Object storage
File storage
Cold storage
✅ Correct Answer: Block storage
23. What is the main advantage of object storage?
Scalability for unstructured data
High IOPS for databases
Low latency for real-time processing
File system compatibility
✅ Correct Answer: Scalability for unstructured data
24. Which Dell EMC product is used for scalable backup storage?
Data Domain
PowerStore
Isilon
XtremIO
✅ Correct Answer: Data Domain
25. Which data storage tier is most suitable for mission-critical applications?
Tier 0 (flash storage)
Tier 3 (archive)
Tier 2 (nearline)
Tier 4 (cold)
✅ Correct Answer: Tier 0 (flash storage)
26. Which tool provides centralized management for Dell EMC storage?
Unisphere
vSphere
Kubernetes
Veeam
✅ Correct Answer: Unisphere
27. Which data protection method allows for point-in-time recovery?
Snapshots
Mirroring
Compression
RAID 0
✅ Correct Answer: Snapshots
28. What is the function of deduplication in a backup system?
Eliminate redundant data
Encrypt stored data
Increase network traffic
Compress metadata
✅ Correct Answer: Eliminate redundant data
29. Which RAID level can survive two disk failures?
RAID 6
RAID 1
RAID 5
RAID 0
✅ Correct Answer: RAID 6
30. Which feature in a SAN switch allows prioritizing traffic?
Quality of Service (QoS)
RAID configuration
Hot spare setup
Cloud gateway
✅ Correct Answer: Quality of Service (QoS)
31. Which component stores metadata in an object storage system?
Object header
File system index
Block table
RAID controller
✅ Correct Answer: Object header
32. Which Dell EMC storage solution supports NVMe end-to-end?
PowerMax
Data Domain
Isilon
Unity
✅ Correct Answer: PowerMax
33. What is the main function of zoning in a SAN?
Restrict access between devices
Increase storage capacity
Expand LUNs
Schedule backups
✅ Correct Answer: Restrict access between devices
34. Which technology accelerates storage performance using server RAM?
Caching
RAID
Thin provisioning
Zoning
✅ Correct Answer: Caching
35. Which data tiering policy automatically moves data between storage types?
Automated tiering
RAID mirroring
LUN masking
QoS scheduling
✅ Correct Answer: Automated tiering
36. Which file system is optimized for large files and high throughput?
XFS
FAT32
NTFS
EXT2
✅ Correct Answer: XFS
37. What does hot-swappable mean in a storage context?
Component can be replaced without shutting down
Works only in hot environments
Requires reboot after change
Cannot be used in RAID
✅ Correct Answer: Component can be replaced without shutting down
38. What is a key use case for WORM (Write Once Read Many) storage?
Regulatory compliance
Temporary data caching
Scratch disks
Swap files
✅ Correct Answer: Regulatory compliance
39. Which term describes multiple paths between a server and storage?
Multipathing
Multicasting
Zoning
Replication
✅ Correct Answer: Multipathing
40. Which protocol is commonly used in NAS systems?
NFS
FC
iSCSI
InfiniBand
✅ Correct Answer: NFS
41. What is the benefit of using SSDs in storage arrays?
Lower latency and faster access
Lower capacity than HDDs
Higher power consumption
No wear over time
✅ Correct Answer: Lower latency and faster access
42. Which cloud storage model provides access to raw storage volumes?
Block storage
Object storage
File storage
Cold storage
✅ Correct Answer: Block storage
43. Which term refers to keeping a copy of data at a separate location?
Replication
Compression
Archiving
Snapshotting
✅ Correct Answer: Replication
44. Which feature ensures quick access to recently used data?
Caching
Mirroring
RAID 6
WORM
✅ Correct Answer: Caching
45. Which storage technology is primarily used for fast, low-latency access to data?
Flash storage
Tape storage
Optical storage
HDD
✅ Correct Answer: Flash storage
46. What is the main purpose of a storage array?
Centralized data management and storage
Backup and recovery
Data encryption
Data visualization
✅ Correct Answer: Centralized data management and storage
47. Which RAID level offers the highest data redundancy with the least storage capacity overhead?
RAID 6
RAID 1
RAID 5
RAID 10
✅ Correct Answer: RAID 6
48. Which feature of a storage system ensures data availability in case of a failure?
Redundancy
Compression
Encryption
Caching
✅ Correct Answer: Redundancy
49. Which file system is typically used in enterprise environments for high availability and scalability?
ZFS
EXT4
NTFS
FAT32
✅ Correct Answer: ZFS
50. What is the primary purpose of storage replication?
Ensuring data availability across locations
Improving network speed
Reducing storage costs
Backing up data
✅ Correct Answer: Ensuring data availability across locations
51. Which storage configuration involves combining multiple hard drives into a single array to increase storage capacity and redundancy?
RAID
LUN
SAN
NAS
✅ Correct Answer: RAID
52. Which protocol is used to access data over the network using block-level storage?
iSCSI
NFS
SMB
Fibre Channel
✅ Correct Answer: iSCSI
53. What is the primary advantage of using cloud storage?
Scalability and remote access
Data encryption
Higher speed of access
Lower cost than on-premise storage
✅ Correct Answer: Scalability and remote access
54. Which feature in a storage system helps to improve performance by prioritizing access to certain data?
Quality of Service (QoS)
Compression
Deduplication
RAID configuration
✅ Correct Answer: Quality of Service (QoS)
55. What is the purpose of storage virtualization?
Abstracting storage resources for better management
Encrypting data for security
Increasing storage capacity
Performing backups automatically
✅ Correct Answer: Abstracting storage resources for better management
56. Which RAID level uses both mirroring and striping for improved performance and redundancy?
RAID 10
RAID 5
RAID 0
RAID 6
✅ Correct Answer: RAID 10
57. What is the term for storing data that is rarely accessed but must still be preserved?
Cold storage
Hot storage
Tier 0 storage
Backup storage
✅ Correct Answer: Cold storage
58. What does LUN masking accomplish in a storage environment?
It restricts access to specific LUNs from certain hosts
It increases storage speed
It enables data replication
It compresses stored data
✅ Correct Answer: It restricts access to specific LUNs from certain hosts
59. Which protocol allows file-based storage sharing in a networked environment?
NFS
FCP
iSCSI
Fibre Channel
✅ Correct Answer: NFS
60. What is the primary benefit of a hybrid cloud storage solution?
Combining on-premise and cloud resources for flexibility
Faster data transfers
Better data encryption
Lower overall cost
✅ Correct Answer: Combining on-premise and cloud resources for flexibility
The Dell Dca Ism Associate Info Storage Management V15 certification is a globally recognized credential for IT professionals.
This practice test helps you prepare by covering key topics like hardware, networking, troubleshooting, and security.
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