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单选题
A customer is experiencing a performance bottleneck. The server is performing sequential I/O requests with large block sizes of 64KB. Improving which of the following storage subsystem characteristics has the biggest impact on this bottleneck？（）
A
Seek Time
B
Drive RPM
C
Data Transfer Rate
D
Rotational Latency
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A customer has a requirement for a storage solution that meets the following criteria： （1）Heterogeneous hosts attached （2）Support for block I/O （3）High Speed （4）Scalable Which solution would satisfy the customer’s requirement？（）A、SANB、NASC、SCSID、iSCSI
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A customer is experiencing a performance bottleneck. The server is performing sequential I/O requests with large block sizes of 64KB. Improving which of the following storage subsystem characteristics has the biggest impact on this bottleneck？（）A、Seek TimeB、Drive RPMC、Data Transfer RateD、Rotational Latency
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单选题A customer server has the maximum local storage installed. The customer plans to share this new storage with other servers. Which of the following provides that server additional storage？（）A
Add External Storage via EXP3000B
Replace current storage with more dense drivesC
Add External Storage via SAND
Add storage expansion blade
考题
单选题An administrator has a server experiencing performance problems with logical volumes within a particular volume group. Which command can report I/O statistics for logical partitions with each logicalvolume within the volume group（）A
IslvB
vmstatC
iostatD
Ivmstat
考题
单选题Which of the following commands should be used to determine which disk of a system is experiencing a disk I/O performance problem？（）A
filemonB
istatC
vmstatD
iostat
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There is a file I/O bottleneck.B
There are too many open files. C
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考题
单选题Which of the following environments is most closely addressed by the N series N3600?（）A
a customer that requires block level storage B
a customer that requires CIFS and AIX NFS environments C
a customer that requires good scalability and performance D
a customer that needs to consolidate multiple storage controllers under a single interface
考题
单选题A system administrator has a server experiencing performance problems with logical volumes within a particular volume group. Which command can report I/O statistics for logical partitions with each logical volume within the volume group？（）A
lslvB
lsvgC
iostatD
lvmstat
考题
单选题A company needs additional storage for a block I/O based database application. The application has low I/O bandwidth requirements across the campus. The customer has a TCP/IP infrastructure and is interested in low-cost products that are compatible with its environment. Which technology is most appropriate for this customer?（）A
SANB
FCoEC
FCIPD
iSCSI
考题
单选题A customer is experiencing a performance bottleneck. The server is performing sequential I/O requests with large block sizes of 64KB. Improving which of the following storage subsystem characteristics has the biggest impact on this bottleneck？（）A
Seek TimeB
Drive RPMC
Data Transfer RateD
Rotational Latency
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rPerfB
ROLTPC
SPECfpD
SPECint
考题
单选题Which of the following customer environments is addressed by IBM System Storage N series gateways?（）A
a customer with CIFS, NFS and GPFS requirements B
a customer wanting to natively implement Easy Tier C
a customer who has large block sequential write requirements D
a customer who needs to consolidate multiple storage controllers under one managementinterface
考题
单选题A customer has requested an initial proposal for two x346s to be used as file servers. They feel that using a direct attached DS4300 with ten 146GB drives will be more than sufficient storage space. They do not currently own any IBM equipment. An answer to which of the following questions would be of greatest benefit when looking to enhance the offering at minimal expense and ensure a good end user experience？（）A
Has a SATA drive expansion enclosure been considered for the DS4300？B
Is there a concern for overall disk subsystem I/O performance？C
Has an IBM Director Server been considered to monitor the environment？D
What will their storage requirements be over the next 12 months？
考题
单选题A customer has a requirement for a storage solution that meets the following criteria： （1）Heterogeneous hosts attached （2）Support for block I/O （3）High Speed （4）Scalable Which solution would satisfy the customer’s requirement？（）A
SANB
NASC
SCSID
iSCSI
考题
单选题A customer is experiencing a performance bottleneck in a disk subsystem. The server is performing sequential I/O with a small number of users requesting large files. Which of the following would most likely resolve the bottleneck？（）A
Increase seek translationB
Increase data transfer rateC
Decrease rotational latencyD
Increase rotational latency
考题
单选题Which of the following products helps a customer identify a performance bottleneck?（）A
Tivoli Storage Manager B
Tivoli Storage Productivity Center for Disk C
Tivoli Storage Productivity Center for Data D
Tivoli Storage Productivity Center for Replication
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单选题A customer has an IBM System Storage DS8100 at their primary site and a DS6800 at their recovery site, 9.5 kilometers away. They want to replicate data for disaster recovery backup with the least impact on performance. Which of the following products best accomplishes this task?（）A
Global CopyB
Metro MirrorC
Global MirrorD
Metro/Global Mirror
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