What is a reason for using cache logical partitioning?

What are two features of Hitachi Dynamic Link Manager (HDLM)? (Choose two.)

A customer is implementing a Hitachi High-Performance NAS solution. Which three protocols can be used to make the data available to the clients? (Choose three.)

Which two components connect to the VSP HiStar-E Network? (Choose two.)

A company is implementing a new storage management solution. They have four data centers located in different countries. Because of regulatory concerns, local administrators should be able to access VSP systems in other countries. Which two benefits will they receive by using Hitachi Device Manager? (Choose two.)