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IBM System Storage DS8000 Technical Solutions V3 Sample Questions:
1. The exhibit represents a report from Capacity Magic. A customer wants to implement a mixed Open and System z environment. They will be using a combination of SSD, SAS and Nearline SAS drives. System z will require PAV. The NL-SAS drives will be used for FlashCopy targets for Open Systems and for Historical Report Data for z/OS. They wish to use Metro Mirror to replicate the Opens Systems production data to a remote site.
Which of the following best describes the minimum license requirements?
A) OEL = 258TB, MM = 141TB, FlashCopy = 141TB, PAV = 1 17TB, EICON = Yes
B) OEL = 173TB, MM = 87TB, FlashCopy = 48TB1 PAV = 87TB, FICON = Yes
C) OEL = 258TB, MM = S7TB, FlashCopy = 87TB, PAV = 87TB, FICON = Yes
D) OEL = 258TB, MM = 258TB, FlashCopy = 258TB, PAV = 258TB, EICON = Yes
2. A customer has a mission-critical application with redundant fabrics. The customer plans to replace older EMC system with a DS8870 and a SAN Volume Controller (SVC).
Which statement best describes the impact of data migration on the production environment?
A) The production environment requires an outage to remove the EMC systems.
B) The production environment requires an outage to install the D58870.
C) The production environment requires an outage to install the SVC.
D) The production environment does not require an outage.
3. As the result of a performance sizing a D38870 system configuration must include 96 x 600 GB 10000 rpm SAS drives, and only 32 GB cache.
Which DS8870 system version should to be offered?
A) DS8870 business class configuration including 4 core processors
B) DS8870 enterprise class configuration including 2 core processors
C) DS8870 business class configuration including 2 core processors
D) DS8870 enterprise class configuration including 4 core processors
4. After initial installation of DSSSOO systems in a customer site a review must be conducted to verify that the disk system performance is in range.
How can the cache hit ratio be verified?
A) Use Tivoli Storage Productively Center
B) Use the DSS000 Real Time Performance Monitor
C) Use the pen stat command in the CLI
D) Issue the CLI command dscli>verify-perf-read hit-time period
5. Which statement about I/O Priority Manager on the DS8000 is true?
A) It needs at least two tiers of disks to work
B) It allocates cache on 4K boundaries to improve performance
C) It can be more granular on z/OS than any other operating system
D) It can interface with VMware VAAI primitives to improve performance
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: C | Question # 3 Answer: C | Question # 4 Answer: A | Question # 5 Answer: C |
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