单选题When setting up schedules and enforcing scheduling of different types of workloads， which of the following are critical performance issues？（）ADisk fragmentationBPerformance results analysisCCapacity forecasting and planningDResource contention and avai

第1题：

A user is reporting a loud grinding sound when the machine is powered on. The machine loadsinto windows and the user does not notice any performance issues. Which of the following is the MOST likely cause of the noise?（）

• A、Powersupplyfailure
• B、BadHD
• C、Badfan
• D、FaultyCD-Rom

第2题：

An customer with limited storage management skills needs a disk subsystem with up to 70TB capacity and enterprise class performance. Which disk storage system should be recommended?（）

• A、DS6800
• B、DS8100
• C、DS8300
• D、XIV Storage System

第3题：

A customer has installed an IBM System Storage DS8700 with 20 TB of storage, 32 GB cache, and 16 Fibre Channel ports. The customer is beginning to experience throughput performance issues since they have added new workloads. The customer asks the storage specialist for guidance. Which of the following actions should be recommended as a first step?（）

• A、install the Performance Accelerator feature
• B、review the DS Storage Manager Major Event Log (MEL)
• C、add an expansion frame with additionalFibre Channel ports
• D、review the latest TPC for Disk study to identify the source of the performance issue

第4题：

When analyzing disk I/O performance， which of the following metrics and/or statistics should be included in the study？（）

• A、 Disk size， stock availability， VHDCI
• B、 Disk size， distance， temperature， and compatibility
• C、 Disk fragmentation， MTBF， and maintenance
• D、 Disk configuration， throughput， transactions， queues， and latencies

第5题：

When setting up schedules and enforcing scheduling of different types of workloads， which of the following are critical performance issues？（）

• A、 Disk fragmentation
• B、 Performance results analysis
• C、 Capacity forecasting and planning
• D、 Resource contention and availability

第6题：

Immediately after adding a new disk to or removing an existing disk from an Automatic Storage Management （ASM） instance， you find that the performance of the database decreases initially， until the addition or removal process is completed. Performance then gradually returns to normal levels. Which two activities could you perform to maintain a consistent performance of the database while adding or removing disks？（）

• A、 increase the number of checkpoint processes
• B、 define the POWER option while adding or removing the disks
• C、 increase the number of DBWR processes by setting up a higher value for DB_WRITER_PROCESSES
• D、 increase the number of slave database writer processes by setting up a higher value for DBWR_IO_SLAVES
• E、 increase the number of ASM Rebalance processes by setting up a higher value for ASM_POWER_LIMIT during the disk addition or removal

第7题：

A customer has just added additional workload to their IBM System Storage DS5300. They do notfeel they are achieving the performance they expected. Which of the following will provide thecustomer with the most complete historical view of their current DS5300 system performance？（）

• A、Disk Magic
• B、Capacity Magic
• C、Tivoli Storage Productivity Center for Data
• D、Tivoli Storage Productivity Center for Disk - Midrange Edition

第8题：

第9题：

第10题：

第11题：

第12题：

第13题：

Which of the following is a speed enhancement in Windows performance when searching for files?（）

• A、Indexing
• B、Formatting
• C、Disk Cleanup
• D、System Restore

第14题：

When the length of the run queues， process or thread dispatches interrupts， and lock contention metrics and statistics are analyzed for performance， which of the following resources is being analyzed？（）

• A、 CPU
• B、 Memory
• C、 Disk I/O
• D、 Network I/O

第15题：

A network administrator wants to analyze the historical performance of the servers in the organization and forecast the system performance needs into the future.  Which add-on component of IBM Director would be used to assist with this task？（）

• A、Capacity Manager
• B、Resource Monitors
• C、System Availability
• D、System Performance Monitor

第16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、 filemon
• B、 istat
• C、 vmstat
• D、 iostat

第17题：

Which of the following statements is mot correct about mirroring?（）

• A、Mirroring, with the write-verify option turned on, can be used to increase performance.
• B、Mirroring is a better choice that disk-striping, for large sequential-access file system when one is looking for performance.
• C、Mirroring, with a parallel-scheduling policy, may improve I/O read-operation performance.
• D、Mirroring, with maximum inter-disk allocation policy, is used to enhance availability.

第18题：

Immediately after adding a new disk to or removing an existing disk from an ASM instance, you find that the performance of the database goes down initially until the time the addition or removal process is completed, and then gradually becomes normal. Which two activities would you perform to maintain a consistent performance of the database while adding or removing disks?（）

• A、Define the POWER option while adding or removing the disks
• B、Increase the number of ARB processes by setting up a higher value for ASM_POWER_LIMIT.
• C、Increase the number of DBWR processes by setting up a higher value for DB_WRITER_PROCESSES
• D、Increase the number of slave database writer processes by setting up a higher value for DBWR_IO_SLAVES

第19题：

第20题：

第21题：

第22题：

第23题：

第24题：