C4090-456 Exam Questions
83 real C4090-456 exam questions with expert-verified answers and explanations. Page 2 of 2.
- Question #51
When is the command xcii --protect used?
- Question #52
On XIV what factors are important to successfully implement asynchronous mirroring?
- Question #53
What is a benefit to IBM's XIV SSD transparent read cache?
- Question #54
How many active module interconnects are there between data modules on an XIV system Model A14?
- Question #55
Where is the XIV VSS Provider software installed?
- Question #56
When does XIV Gen3 SSD caching significantly improve performance?
- Question #57
Which of the following statements is true of the XIV architecture?
- Question #58
A TELCO customer has an application that generates intensive small block random reads. The customer installed one XIV Gen3 system and is dissatisfied with this choice. They have en...
- Question #59
Compared to other IBM storage offerings, which of the following is unique functionality on an XIV system?
- Question #60
The modem installed in the XIV is used for what?
- Question #61
The XIV Gen3 module interconnect implements which technology?
- Question #62
A technical specialist is planning an XIV installation. Where can the worksheets needed for installation be found?
- Question #63
XIV Quality of Service limits I/O to which of the following?
- Question #64
What is a benefit of the XIV system's grid-based architecture?
- Question #65
Which of the following occurs in the event of an SSD failure in an XIV system?
- Question #66
What minimum information is required when creating a volume on an XIV system?
- Question #67
A storage administrator wishes to migrate a legacy storage controller's volumes to a SAN Volume Controller. The controller can provide SAS or iSCSI host connections only. An XIV is...
- Question #68
Which statement is true about the XIV migration?
- Question #69
Expanding an XIV system with more modules for capacity and performance is an example of what?
- Question #70
What is the fastest way to see which volume is receiving the most IOPS on the XIV?
- Question #71
In a six module XIV system, I/O activity involving a specific logical volume is handled by how many spindles?
- Question #72
Which activity occurs after upgrading an XIV system from nine modules to ten modules?
- Question #73
An XIV administrator wants to migrate a legacy DS4700 to XIV. The DS4700 is mirrored across a low-bandwidth link to a second DS4700 at a second site. The XIV volumes will need to b...
- Question #74
PowerVM is a requirement for XIV host attach to which of the following operating systems?
- Question #75
Which XIV system feature enables proactive notification to the IBM service center?
- Question #76
What are two benefits of the XIV system's storage virtualization architecture? (Select two)
- Question #77
A customer wants to ensure resource availability for their SAP application by implementing Q0S. How could the performance class be defined?
- Question #78
A customer complains that their SAP database now performs worse than it did before being migrated from traditional RAID storage to XIV. The database was configured using 20 x 200GB...
- Question #79
Which two of the following IBM products assure online data migration? (Select two)
- Question #80
A customer wants to know how much capacity has been consumed against the Capacity on Demand entitlement on their XIV system. How would the technical specialist determine the capaci...
- Question #81
Compared to other IBM storage offerings, which of the following is unique functionality on an XIV system?
- Question #82
Which is an advantage of the XIV system over traditional storage?
- Question #83
What is the maximum number of Quality of Service (QoS) performance classes that can be created on an XIV system Gen3?