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IBM C4090-453 Exam Syllabus Topics:

IBM System Storage DS8000 Technical Solutions V3 Sample Questions:

Question 1

When Global Mirror and the local disk subsystem fails it usually is not possible to recover because the subsystem stops responding. The SNMP then sends the alerts that indicate there is a problem.
What triggers the initial recovery actions?

A. The SNMP alerts are enough to trigger the recovery and then fix the problem
B. Once the SNMP alerts have been received the process will restart automatically
C. The problem can be fixed manually once the SNMP alerts are spotted
D. Total Storage Productivity Center for Data

Question 2

Which of the following statements regarding the DSS000 Metro Mirror consistency group function is true?

A. The consistency group functionality requires external automation such as Tivoli Storage Productivity Center V5.x or GDPS to work correctly.
B. Metro Mirror consistency groups are not required to maintain data consistency across devices in a disaster situation.
C. Simply enabling the Metro Mirror consistency group function on a PPRC path will provide consistency for all devices in this LSS.
D. A Metro Mirror consistency group must be contained within a single primary disk subsystem.

Question 3

A Business Partner has just received a REP from a customer for new disk subsystems for their data centers which are 500 km apart. DS8000 Global Mirror will be proposed. The customer wants to manage the replication environment using off-the-shelf software rather than custom scripting. The customer already has EMC Symmetrix replicating between their data centers.
Which of the following should be proposed to manage the D58000 replication?

A. EMC Recover Point 3.5
B. Tivoli Storage Productivity' Center V5.1
C. Tivoli Storage FlashCopy Manager V3.1
D. DS8000 Storage Manager GUI 6.3

Question 4

Which statement is true of the Easy Tier feature on DS8000?

A. It requires SSDs to be added to a heterogeneous pool to operate.
B. It is a priced feature by terabytes used.
C. It will operate in a homogeneous pool.
D. It handles data in 256 MB chunks.

Question 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 interface with VMware VAAI primitives to improve performance
D. It can be more granular on z/OS than any other operating system

Solutions: