IBM C9020-461

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IBM Midrange Storage Technical Support V4 Sample Questions:

1. A customer is discussing the purchase of an IBM Storwize V7000 storage system and needs to decide which pre-set RAID algorithm to use. The customer is aware of an option called "Balance RAID 10" and has askedfor a description of how it functions.
What are the characteristics of this RAID type?

A) Data and one stripe of parity are striped across all array members.
B) Data is mirrored on two array members and across two enclosure drive channels.
C) Data and two stripe of parity are striped across all array members.
D) Data on all drives in the array use the same drive channel wherever possible.

2. A customer has been experiencing sporadic performance issues on its IBM Storwize
V7000 system. Analysis has shown that during peak workloads it is CPU constrained.
What can be done to alleviate the CPU contention?

A) Add IBM Spectrum Control
B) Add a second I/O group
C) Perform a Capacity Magic study
D) Implement Real-time Compression

3. A customer is currently running a mixed Windows and Unix environment with 100 TB capacity on EMC VNX. The customer wants to add an additional 200 TB of new disk capacity and also utilize existing VNX capacity. The customer does not require NAS capability and is interested in implementing FCoE into its environment.
Which solution meets the customer's needs?

A) IBM Storwize V3700 with external virtualization
B) DCS3700
C) IBM Storwize V5000 with external virtualization
D) IBM Spectrum Virtualize

4. A customer has a FlashSystem 840 installed with 12 TB of capacity (8 x 2 TB flash modules, RAID 5). The storage solution was purchased for a project that has now been completed and the customers plan is to install additional flash modules and deploy this device to a new project and has asked for you recommendations.
Which advice should be given to this customer?

A) TheFlashSystem 840 is factory sealed and cannot be upgraded.
B) TheFlashSystem 840 supports only same capacity flash modules and the upgrade is data destructive.
C) TheFlashSystem 840 can support mixed capacity flash modules and additional new capacity is automatically rebalanced and available on the system.
D) TheFlashSystem 840 can support mixed capacity flash modules and the upgrade is data destructive.

5. A customer requires a low cost data at rest encryption storage solution. You suggest the IBM Storwize V7000 model 524 solution. The customer inquiries how the keys are generated anw where the encryption keys are stored.
Where is the master encryption key of the IBM Storwize V7000 stored?

A) On an external device when encryption is enabled
B) In the secure management area on the quorum disk
C) On the SAS interface chip on the drive
D) In secure memory in SAS controller hardware

Solutions: