Use write-back cache with battery backup enabled
Use write-through cache with battery backup enabled
Use read-back cache with battery backup enabled
Use read-through cache with battery backup enabled
第1题：
Which Coherence caching pattern matches the sequence of events ？（） 1. Data is requested from cache 2. The requested data does not exist in the cache （cache miss） 3. The Coherence cache store is used to red data from the back-end persistent data source， and placed in ther cache 4. Data requested from the cache is returned to the caller
第2题：
Which of the following can help prevent data loss on a RAID array in the event of a power failure？（）
第3题：
You need to write a code segment that transfers the contents of a byte array named dataToSendby using a NetworkStream object named netStream.You need to use a cache of size 8,192 bytes.Which code segment should you use?（）
A.
B.
C.
D.
第4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？（）
第5题：
A customer has a file server with RAID-5 using 8KB random I/Os， with 67% reads and 33% writes. How should the disk controller cache be configured for optimal performance？（）
第6题：
A customer using an IBM System Storage DS8300 is facing performance problems. After the analysis by the technical specialist， the diagnosis indicates that the cache hits may be improved by a cache upgrade. How can the system be monitored in order to check the benefits of the cache upgrade（）
第7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？（）
第8题：
A customer is building a database server， and the server does sequential write most of the time. They are planning to use an IBM x445 and a ServeRAID-6M adapter. Which of the following fault tolerant RAID levels will perform best for sequential write？（）
第9题：
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？（）
第10题：
A customer using an IBM System Storage DS8700 is facing performance problems. After the analysis by the technical specialist， the diagnosis indicates that the cache hits may be improved by a cache upgrade. How can the system be monitored in order to check the benefits of the cache upgrade（）