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单选题
Sometimes performance is more important than availability （e.g.， in cases where the data can be easily re-created）. Which of the following is the appropriate disk configuration for an application that requires faster writes over availability（）
A
RAID 1
B
RAID 6
C
RAID 0 + 1
D
RAID 0
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Which of the following is the correct configuration for a RAID 5 array?()
A. A two disk set with one data stripB. A three disk set with two data strips and a parity stripC. A two disk set with two data stripsD. A four disk set with two sets of data strips
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A high availability solution must be designed for a single file server. Data must be replicated between the disks to ensure a failure of one disk does not bring down the server. Which of thefollowing meets these requirements？（）A、RAID 1B、RAID 0C、Active/passive clusterD、Disk-to-disk
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Which of the following is the correct configuration for a RAID 5 array?（）A、A two disk set with one data stripB、A three disk set with two data strips and a parity stripC、A two disk set with two data stripsD、A four disk set with two sets of data strips
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An application server is running slowly. After viewing performance monitoring data it is detected that the disk queue length is high. Which of the following could BEST resolve the situation？（）A、 Add more disk drives.B、 Increase the amount of virtual memory.C、 Add a faster processor.D、 Add more memory to stop paging to disk.
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Which of the following is an advantage of hardware RAID over software RAID？（）A、Hardware RAID costs less than software RAIDB、Hardware RAID is built into the operating system’s softwareC、Hardware RAID has better performance than software RAIDD、Hardware RAID requires no configuration and software RAID does
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A banking customer is confused about RAID protection. Which of the following are characteristic of RAID-6？（）A、Double drive failure in an array and extremely high data fault toleranceB、Double drive failure in an array and more total storage capacity than RAID-5C、Extremely high data fault tolerance and higher performance than RAID-5D、Higher performance than RAID-5 and more total storage capacity than RAID-5
考题
Sometimes performance is more important than availability （e.g.， in cases where the data can be easily re-created）. Which of the following is the appropriate disk configuration for an application that requires faster writes over availability（）A、RAID 1B、RAID 6C、RAID 0 + 1D、RAID 0
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Which of the following disk protection methods would be used to provide the maximum amount of data availability（）A、RAID 0B、RAID 1C、RAID 3D、RAID 5
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Which of the following RAID levels provide the best performance for a system where there are mostly writes occurring？（）A、 RAID 0B、 RAID 1C、 RAID 3D、 RAID 5
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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， VHDCIB、 Disk size， distance， temperature， and compatibilityC、 Disk fragmentation， MTBF， and maintenanceD、 Disk configuration， throughput， transactions， queues， and latencies
考题
Sometimes performance is more important than availability （e.g.， in cases where the data can be easily re-created）. Which of the following is the appropriate disk configuration for an application that requires faster writes over availability？（）A、RAID-1B、RAID-5C、RAID-0+1D、RAID-0
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When setting up schedules and enforcing scheduling of different types of workloads， which of the following are critical performance issues？（）A、 Disk fragmentationB、 Performance results analysisC、 Capacity forecasting and planningD、 Resource contention and availability
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Full Atomicity, Consistency, Isolation, Durability (ACID) compliance is a necessity for a new application, which heavily reads and writes data. This requires the following config file options: Sync_binlog=1 Innodb_flush_log_at_trx_commit=1 Innodb_doublewrite=1 However, this configuration is expected to introduce disk I/O overhead. What three changes will reduce disk I/O overheads?（）A、Use of soft links for database directories on the same physical diskB、Use of delay_key_write=ON for batch index updateC、Allocation of RAM to the buffer pool such that more of the data can fit in RAMD、Placement of InnoDB log files and datadir on separate physical disksE、Use of separate directories on the same physical disk for log files and data files
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You have an Exchange Server 2010 organization. You plan to deploy two new Mailbox servers. Both Mailbox servers will be members of a database availability group （DAG）. You need to recommend a hard-disk configuration for the new servers. Your recommendation must meet the following requirements：.Maximize write performance .Prevent a switchover if a single disk fails Which disk configuration should you recommend？（）A、RAID 0 arrayB、RAID 1 arrayC、RAID 5 arrayD、RAID 10 array
考题
单选题When setting up schedules and enforcing scheduling of different types of workloads， which of the following are critical performance issues？（）A
Disk fragmentationB
Performance results analysisC
Capacity forecasting and planningD
Resource contention and availability
考题
单选题Which of the following disk protection methods would be used to provide the maximum amount of data availability（）A
RAID 0B
RAID 1C
RAID 3D
RAID 5
考题
多选题Full Atomicity, Consistency, Isolation, Durability (ACID) compliance is a necessity for a new application, which heavily reads and writes data. This requires the following config file options: Sync_binlog=1 Innodb_flush_log_at_trx_commit=1 Innodb_doublewrite=1 However, this configuration is expected to introduce disk I/O overhead. What three changes will reduce disk I/O overheads?（）AUse of soft links for database directories on the same physical diskBUse of delay_key_write=ON for batch index updateCAllocation of RAM to the buffer pool such that more of the data can fit in RAMDPlacement of InnoDB log files and datadir on separate physical disksEUse of separate directories on the same physical disk for log files and data files
考题
单选题Which of the following is an advantage of hardware RAID over software RAID？（）A
Hardware RAID costs less than software RAIDB
Hardware RAID is built into the operating system’s softwareC
Hardware RAID has better performance than software RAIDD
Hardware RAID requires no configuration and software RAID does
考题
单选题An application server is running slowly. After viewing performance monitoring data it is detected that the disk queue length is high. Which of the following could BEST resolve the situation？（）A
Add more disk drives.B
Increase the amount of virtual memory.C
Add a faster processor.D
Add more memory to stop paging to disk.
考题
单选题A banking customer is confused about RAID protection. Which of the following are characteristic of RAID-6？（）A
Double drive failure in an array and extremely high data fault toleranceB
Double drive failure in an array and more total storage capacity than RAID-5C
Extremely high data fault tolerance and higher performance than RAID-5D
Higher performance than RAID-5 and more total storage capacity than RAID-5
考题
单选题Which of the following describes the difference between hardware and software RAID technologies？（）A
Software RAID offers more storage possibilities than hardware RAIDB
Hardware RAID performs faster than software RAIDC
Hardware RAID is less expensive than software RAIDD
Software RAID volumes are compatible with any OS and hardware RAID volumes are not
考题
单选题Sometimes performance is more important than availability （e.g.， in cases where the data can be easily re-created）. Which of the following is the appropriate disk configuration for an application that requires faster writes over availability？（）A
RAID-1B
RAID-5C
RAID-0+1D
RAID-0
考题
单选题Which of the following is the correct configuration for a RAID 5 array?（）A
A two disk set with one data stripB
A three disk set with two data strips and a parity stripC
A two disk set with two data stripsD
A four disk set with two sets of data strips
考题
单选题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， VHDCIB
Disk size， distance， temperature， and compatibilityC
Disk fragmentation， MTBF， and maintenanceD
Disk configuration， throughput， transactions， queues， and latencies
考题
单选题Which of the following RAID levels provide the best performance for a system where there are mostly writes occurring？（）A
RAID 0B
RAID 1C
RAID 3D
RAID 5
考题
单选题The statistics for a poorly performing x366 system are as follows： （1）Processor： 90% for 5 second increments （2）Memory page faults： 20/second average over 15 minutes （3）Disk： disk time 1% Which of the following will provide the greatest performance improvement？（）A
Add memoryB
Add a processorC
Add a faster disk subsystemD
Exchange the processor with a faster processor
考题
单选题An application server is running slowly. After viewing performance monitoring data it is detected that the disk queue length is high. Which of the following could BEST resolve the situation?（）A
Add more disk drives.B
Increase the amount of virtual memory.C
Add a faster processor.D
Add more memory to stop paging to disk.
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