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IBM C4090-453 Exam Syllabus Topics:

IBM System Storage DS8000 Technical Solutions V3 Sample Questions:

1. A customer has a UNIX-based 25 TB Oracle/SAP instance currently running on an HP 12000 Enterprise Storage array. The database is very sensitive to response times and is reported to have a peak I/O requirement of over 25,000 I/O per second. The HP device is nearly three years old, and the customer is considering replacing it.
Which of the following is the best way to investigate the IBM DS8000 as a suitable technology replacement for the HP 12000 device?

A) Ask the customer if they can estimate the workload characteristics.
B) Ask the customer for IOSTAT output from the server or servers and use it as an input to a Disk Magic model.
C) Ask the customer on what basis HP sized the HP 12000 Storage Array originally, and make an assessment from that information.
D) Use the Internet to find out the capabilities of an HP 12000 Storage Array and configure an equivalent IBM D58800.

2. A customer requires an infrastructure to support disaster recovery of critical applications between two remote data centers. One data center is in Tokyo and one is in Beijing. The customer's Recovery Point Objective (RPO) requires a six-hour window for a bandwidth of 100 MB/s and a new storage system for a total of 4 TB of data. They estimate 100 MB of new data produced hourly.
What data synchronization method would be recommended to meet the requirements?

A) Global Mirror
B) FlashCopy
C) Metro Mirror
D) Snapshot

3. A new DS8000 z/OS storage customer needs to configure the DSS000 system's host adapter ports to Brocade SAN directors for host access in a Metro Mirror solution.
Which protocols must be configured for this system?

A) No action required; the DS8000 auto-negotiates the required protocol without any adjustment
B) FIOON protocol for host ports and FOP for Metro Mirror connection
C) FIOON for FOP for host ports and FOP for Metro Mirror connection
D) FICON protocol for both host ports and Metro Mirror connection

4. A D38870 administrator would access the GUI using:

A) The POWER7 controller
B) Only the HMC
C) A browser
D) A thick client

5. What factor in the architecture of the DSS000 allows for concurrent microcode updates to be performed?

A) Built-in redundancy
B) Control-unit Initiated Reconfiguration support
C) Subsystem Device Drivers
D) Call Home and Dial-in support

Solutions: