When is it necessary for a TDA to be conducted on an installed IBM DS8800? （）

单项选择题A customer has two single cluster IBM TS7700 Virtualization Engines at the same site. The customer wants to move one to a remote site and set up a grid configuration with the two clusters. The customer has fibre between the two sites. What is the most important factor to consider when planning the new configuration?（）

A. operator training
B. cache size of the two clusters
C. fibre bandwidth capability between the sites
D. number of stacked tape drives attached to each cluster

单项选择题When does the warranty of the XIV Storage System start? （）

A. when the order is placed
B. when the product is shipped
C. when the product is delivered
D. when the product is installed

单项选择题When designing an expansion within the same data center, when is a pre-sales TDA absolutely required by IBM?（）

A. for a SAN768B Director
B. for a second TS3500 Tape Library
C. for a second EXP5060 Expansion Unit
D. for an additional DS8300 Expansion Frame

单项选择题All of the following RAID levels are available on an IBM System Storage DS8700 and DS8800 with the exception of:（）

A.RAID 1
B.RAID 5
C.RAID 6
D.RAID 10

单项选择题Which of the following is a benefit of the IBM Long Term File System (LTFS)? （）

A. management of the library files
B. management of the encryption keys and archives
C. helps to reduce tape, file management and archive costs
D. helps to control the write speed matching on LTO-4 drives