Data Storage Associate
Certification Exam
1. Why would doing backups to tape be a good idea?: Cheap,
inexpensive. 10 year archive retention
Disadvantage is recovering speed
2. What is the primary function of RAM?: Temporary data
storage
3. What performs calculation for active tasks?: CPU
4. What is a primary advantage of flash over a hard disk?:
Access Speed
5. Primary advantage of hard disk:: Cost
6. Best word that describes RAM: Volatile
7. What is parody in RAID used for?: Adding checksomes into
data to determine if the data was received correctly
8. What raid types use distributed parody? (Select 2): RAID 5
& RAID 6
9. Minimum number of drives required for RAID 5?: 3
10. You have a LUN, which of the following steps must be
done for the host to see the LUN: The switches must be zoned
to allow the host to see the array
, 11. What is a firewall good for?: Blocking access
Hardware firewall is more reliable and speed compared to a
software firewall
12. What does ECMP stand for?: Equal Cost Multi Pathing
13. What is used for LACP (link aggregation control protocol)
- algorithm options?: Cost’ hashing using mac address, tcp...
14. Dynamic routing vs Static Routing: DHCP Static:
Consistent
Dynamic: Easy
15. What is RPO?: Recovery point objective
How much data you can afford to lose
16. What is RTO: Recovery time objective
How much time you plan to be down
17. What is SLA?: Service level agreement
Contractual agreement to customers for downtime/ recovery time
18. Retention period: How long you keep backups
What governs retention policy? Government regulations
19. What is the most important reason for backups?: recovery
20. Consistency: application consistent- backup of data written to
storage AND MEMORY hot
crash consistent - backup of data thats been written to storage
cold
Warm software that makes a cold backup hot
Certification Exam
1. Why would doing backups to tape be a good idea?: Cheap,
inexpensive. 10 year archive retention
Disadvantage is recovering speed
2. What is the primary function of RAM?: Temporary data
storage
3. What performs calculation for active tasks?: CPU
4. What is a primary advantage of flash over a hard disk?:
Access Speed
5. Primary advantage of hard disk:: Cost
6. Best word that describes RAM: Volatile
7. What is parody in RAID used for?: Adding checksomes into
data to determine if the data was received correctly
8. What raid types use distributed parody? (Select 2): RAID 5
& RAID 6
9. Minimum number of drives required for RAID 5?: 3
10. You have a LUN, which of the following steps must be
done for the host to see the LUN: The switches must be zoned
to allow the host to see the array
, 11. What is a firewall good for?: Blocking access
Hardware firewall is more reliable and speed compared to a
software firewall
12. What does ECMP stand for?: Equal Cost Multi Pathing
13. What is used for LACP (link aggregation control protocol)
- algorithm options?: Cost’ hashing using mac address, tcp...
14. Dynamic routing vs Static Routing: DHCP Static:
Consistent
Dynamic: Easy
15. What is RPO?: Recovery point objective
How much data you can afford to lose
16. What is RTO: Recovery time objective
How much time you plan to be down
17. What is SLA?: Service level agreement
Contractual agreement to customers for downtime/ recovery time
18. Retention period: How long you keep backups
What governs retention policy? Government regulations
19. What is the most important reason for backups?: recovery
20. Consistency: application consistent- backup of data written to
storage AND MEMORY hot
crash consistent - backup of data thats been written to storage
cold
Warm software that makes a cold backup hot
