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单项选择题X 纠错

A customer has four 2-way 2U front-end web servers that are currently running at 15% CPU utilization. These servers provide points of access for users worldwide， and volume is expected to triple in the next six months and aggressively grow thereafter. They want to upgrade these systems to newer technology and stay within the 8U of rack space that they are replacing. Which solution would fit the customer’s requirements？（）

A.Three x366 4-ways running VMWare ESX Server.
B.An x445 8-way Xeon MP attached to a DS4300 and running VMWare ESX Server.
C.An x445 16-way Xeon MP attached to an EXP400 and running VMWare ESX Server.
D.Four x346 2-ways running VMWare ESX Server.

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单项选择题

An application vendor wants to choose a fault tolerant platform for their new application. The application benefits from multiple processors and has been tested on Red Hat Advanced Server 3. To determine the memory requirements for the application， which of the following is the best procedure？（）

A.The application should be tested and baselines should be measured with simulated user loads.
B.The application should be tested with the minimum amount of memory then increase the memory in increments until an acceptable response is achieved.
C.The application should be tested with differing amounts of memory and the fastest response time is reached it should be used as the acceptable configuration.
D.The application should be tested with the maximum amount of memory then decrease the memory in increments until an acceptable price/performance ratio is reached.

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多项选择题

A company wants to consolidate 20 existing dual processor Pentium III servers， all running a web server application on Windows Server 2003. They are considering consolidating to a single x445 running VMWare ESX. Which TWO of the following questions will provide enough information to determine the correct processor configuration？（）

A.Do the web servers require SMP capability？
B.Is the web content static or dynamic information？
C.What is the average CPU utilization of the existing web servers？
D.Will the servers need a SCSI or Fibre Channel storage solution？
E.What are the expected growth rates for the web servers？

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单项选择题

An online retailer is considering deploying a database application on xSeries and Windows to serve their Web-based transactions. The database will need about 4TB of usable storage. Downtime costs the customer tens of thousands of dollars per minute， so system availability will be of highest priority. The customer needs to acquire the system within a certain budget but will pay for things that provide higher system availability.
Which of the following will be the most appropriate solution？（）

A.A dual pathed switched DS4000 Solution with Clustering， Remote replication， Redundant NICs， and Fibre attached backup
B.A single path Direct attach DS4000 solution implemented with Clustering and SAN Based Backup combined with IBM Director for PFA management
C.A dual pathed Direct Attach fibre solution， along with dual NICs and memory mirroring
D.An iSCSI solution with dual NIC’s with the Flashcopy option enabled on the DS300

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单项选择题

A manufacturing company has a large facility which has its offices at one end and a manufacturing floor at the other. The company is looking to implement new equipment that requires access to the company’s SAN that is over 2.4 kilometers away in the office area. Which of the following solutions will satisfy this requirement？（）

A.Install a longwave GBIC in the office SAN switch and string a multimode fibre from the office to the manufacturing floor
B.Install a longwave GBIC in the office SAN switch and string a singlemode fibre from the office to the manufacturing floor
C.Install a shortwave GBIC in the office SAN switch and string a multimode fibre from the office to the manufacturing floor
D.Install a shortwave GBIC in the office SAN switch and string a singlemode fibre from the office to the manufacturing floor

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单项选择题

A customer has a file server using RAID-5 with 8KB sequential write operations. How should the disk controller cache be configured for optimal performance and data integrity？（）

A.Use write-back cache with battery backup enabled
B.Use write-through cache with battery backup enabled
C.Use read-back cache with battery backup enabled
D.Use read-through cache with battery backup enabled

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单项选择题

A customer needs to install a database on a server. Which of the following statements describes how to modify the RAID configuration for optimal performance？（）

A.Place both the database and transaction log on two logical drives in one RAID-10 array
B.Place both the database and transaction log on two logical drives in one RAID-1E array
C.Place the database on a RAID-1E array and place the transaction log on a separate RAID-5 array
D.Place the database on a RAID-5 array and place the transaction log on a separate RAID-1E array

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单项选择题

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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单项选择题

An xSeries specialist monitors a customer’s server that has poor performance. The customer is running an x365 with a ServeRAID 6i controller with write-back cache turned on and ten 15K rpm drives in a RAID-5 array. It is a mission-critical server and must have a redundant storage system. Performance tests indicate that the Average Disk sec/Transfer exceeds 20 ms. Which of the following is the lowest-cost method to increase the throughput？（）

A.Disable the ServRAID cache
B.Change the RAID level to 10
C.Change the cache level to Write Through
D.Add five more drives to the array to increase the number of read/write heads

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单项选择题

A customer wants to create backups at a remotely located datacenter. Price and performance are of primary importance， so backup to disks at the remote location is selected instead of tape. The remote location is 1 KM （0.6 Miles） away from the data center. NAS is the solution being considered. Which of the following is the benefit of this solution？（）

A.NAS runs on 2Gb fibre， which will provide better performance.
B.NAS uses WAN infrastructure， which can easily span the 1 KM gap.
C.NAS requires fibre storage， which allows dual paths for redundancy.
D.NAS requires iSCSI routers and offers better growth environment.

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单项选择题

Attaching to a SCSI storage system through redundant paths will provide which of the following？（）

A.The ability to interleave writes to the array
B.High Availability and failover
C.LUN sharing via Target Mode SCSI on the storage system
D.A greater number of LUNS available on the same storage system

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