2014年2月16日星期日

Dernières IBM C4090-453 examen pratique questions et réponses

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Code d'Examen: C4090-453
Nom d'Examen: IBM (IBM System Storage DS8000 Technical Solutions V3)
Questions et réponses: 95 Q&As

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NO.1 The output of what tool is used as input to Disk Magic to most accurately model a Windows
host
that will be used with an IBM D38000?
A. Jetstress
B. Perimon
C. IOSTAT
D. NMON
Answer: B

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NO.2 A new D58000 mixed mainframe and open storage customer would like to connect older open
(2
Gbps) and mainframe servers (4 Gbps) to the DS8000 system’s 8 Gbps host adapters.
How can this be done?
A. through the GUI, adjust the required FOP ports for open to 2 Gbps and the FIOON ports for
mainframe to 4 Gbps link speed
B. the DS8OIJO supports 4 Gbps for mainframe connection; the 2 Gbps open systems connection
must be connected via an intermediate SAN
C. the customer needs to change the server’s HBA5 to an 8 Gbps link speed type
D. the D58000 8 Gbps Host Adapter ports auto-negotiate to 4 Gbps and 2 Gbps link speed
Answer: D

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NO.3 A customer’s IT department has had problems meeting their backup window. They now
mandate
that a fast backup process be in place before an application is deployed. They have a DS8000 as
their disk subsystem and a TS3500 tape library for backups.
What is the simplest and most effective option to satis1i this requirement?
A. Implement TS1 140 drives
B. ImplementFlashCopy
C. Install Solid state Drives
D. Increase cache size
Answer: B

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NO.4 Which of the following items would suggest that the use of space efficient FlashCopy for the
Global Mirror secondary volume could present an issue?
A. The customer is using Tivoli Storage Productivity Center for Replication to manage Global
Mirror
B. The workload has a large amount of heavy sequential write activity
C. There is a long distance between the primary and secondary sites
D. There are multiple primary disk subsystems in the Global Mirror session
Answer: B

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NO.5 When configuring LUNs for IBM i which is not using VIOS, which of the following is true?
A. LUNs have 512 byte sectors and must match the size of internal drives.
B. LUNs have 520 byte sectors and must match the size of internal drives.
C. LUNs have 512 byte sectors and are limited to 2 TB.
D. LUNs have 520 byte sectors and are limited to 2 TB.
Answer: B

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NO.6 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. 7,200 RPM drives
D. 15,000 RPM and 7,200 RPM drives
Answer: D

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NO.7 A customer has recently decommissioned their DS8700 wants to use the same data center
floor
space for a new D38 870.
What is an important fact for the technical specialist to discuss with the customer as it relates to
data center requirements?
A. The DS8870 uses more power than the DS8700 so more power cords will need to be ordered.
B. The DS8870 uses a different power connector than the D68700 so new cords will need to be
supplied.
C. Air circulation in the DS8870 has changed and flows back to front so cooling vent locations will
need to be adjusted.
D. The rack dimensions on the DS8870 are larger than the D38700 so more floor space will be
needed.
Answer: B

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NO.8 A customer has an existing D68800 which is installed in their data center. It now must have an
extra frame added to support additional capacity growth, but there is no room to fit the expansion
frame to the right.
Which option should be taken?
A. Fit the expansion frame to the left of the base frame
B. Configure the expansion frame with the DS8000 Passthrough feature to allow placement of the
frame anywhere
C. Disruptively relocate the D68800 to make space to the right of the base frame for the expansion
frame
D. Create an MES to replace all of the existing capacity with larger drives which support both the
existing workload and the planned increase
Answer: C

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