多項選擇題

A retail company needs to add more servers to their Citrix farm. They are considering 1U servers and High End Enterprise Servers. Their current need is internal storage only， with the possibility to attach to a SAN later. Which TWO of the following features of the IBM x366 would exceed the 1U server’s capabilities？（）

A.Ability to add expansion cards
B.More Citrix users per server reduces management costs
C.Ability to run on both 110V and 220V power input
D.Ease of deployment due to infrastructure integration
E.Physical sharing of the SCSI Storage Expansion Unit
F.Fewer cables and better cable management due to modular switches
G.Integrated HBAs for SAN connectivity

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單項選擇題

A customer has an x445 and uses the internal LSI adapter to manage two 146GB drives in the chassis. The customer is noticing performance issues when deploying a database with significant write activity on the internal drives. Should they consider using a ServeRAID-6M with 256MB of cache instead， and why or why not？（）

A.Yes， the internal LSI SCSI adapter has no write cache.
B.Yes， the internal LSI SCSI adapter is unreliable.
C.No， the downtime to install the card and reformat the drives would be cost prohibitive.
D.No， there will be no performance benefit， because drive performance is the bottleneck.

單項選擇題

A specialist is monitoring performance on a server. The data is on another partition within the same array as the OS. The following information is available：
（1）The average record written to disk is 16KB
（2）The I/O block size is 2KB
（3）The stripe size on the RAID array is 16KB
Which of the following will improve performance without rebuilding the operating system？（）

A.Change the I/O block size to match the RAID Stripe size.
B.Change the RAID stripe size to match the I/O block size.
C.Change the record size of the database to match the RAID stripe size.
D.Change the record size of the database to match the I/O transfer rate.

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