Exam Name: IBM System Storage DS8000 Technical Solutions V3
Certification Provider: IBM
Corresponding Certification: IBM Certified Specialist
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IBM C4090-453 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: DS8000 Architecture and Components | - DS8000 hardware architecture overview - Storage virtualization concepts |
| Topic 2: Maintenance and Troubleshooting | - System diagnostics and logs - Problem determination and resolution |
| Topic 3: Storage Management | - Logical volumes and pools management - Performance monitoring and optimization |
| Topic 4: High Availability and Disaster Recovery | - Backup and recovery strategies - Copy services (Metro Mirror, Global Mirror) |
| Topic 5: Installation and Configuration | - Host connectivity configuration - Initial system setup and configuration |
IBM System Storage DS8000 Technical Solutions V3 Sample Questions:
If a customer experiences significant technical issues with an installed DS8000 system, which action should be taken immediately to report them?
- A. The responsible IBM Customer Service Representative needs to open a problem record
- B. IBM automatically opens an internal problem record based on the Call Home messages
- C. The customer needs to open a problem management request (PMR)
- D. Contact the responsible IBM sales representative who must handle all related communications
Correct Answer: C 🗳️
With the DSS000, if a customer raises a Severity' I call with the Hardware or Software Support Center.
IBM will work on the call 24 hours a day, seven days a week provided the customer does what?
- A. Escalates the problem within IBM to see if this route helps fix the issue first
- B. Supplies all dumps, logs and traces that the device or component in error has produced
- C. Has people available to work 24 hours a day, seven days a week to match the Support Center's effort
- D. Agrees to attend a daily teleconference and continues to emphasize the importance of the problem
Correct Answer: C 🗳️
On the DS8870, which of the following drive options is a valid Easy Tier hybrid pool?
- A. SLO and eMLO SSDs
- B. eMLO SSDs and 5,400 RPM drives
- C. 15,000 RPM and 7,200 RPM drives
- D. 7,200 RPM drives
Correct Answer: C 🗳️
A customer has submitted an REP for which a DS8870 is the preferred solution to support their VMware environment. They require support for VAAI Extended Copy.
What should the technical specialist advise this customer?
- A. DS8870 supports the VAAI functionality required by this customer
- B. VAAI is only a host function so any disk subsystem can be considered
- C. A SAN Volume Controller must be proposed along with the DS8870 to provide VAAI support
- D. A DS8870 with FlashCopy should be proposed
Correct Answer: A 🗳️
A customer already has a D38000 with RAID 10 protection for their production data. They want to implement NL-SAS drives in the same DS8000 for archive data.
Which disk protection should be used for this and why?
- A. RAID 6 because the time to rebuild NL-SAS drives would leave the array exposed for a long time after a single disk failure
- B. RAID 10 because this is the only protection supported for NL-SAS drives
- C. RAID 5 because data on these drives is less critical than the production data
- D. RAID 0 because archive data isn't mission critical and they should use tape backup
Correct Answer: A 🗳️
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