A customer has two separate storage networks and is pla……

单项选择题In order to link data centers, a customer is evaluating the installation of fiber optic cable between buildings that are 400 meters apart. The installation will require multiple patch panels and cables. Which of the following is the most critical factor to consider for this installation?（）

A. I/O rate
B. bandwidth
C. signal loss
D. Dense Wavelength Division Multiplexing (DWDM)

单项选择题By default, who is responsible for firmware and software updates of an SVC solution? （）

A. the customer
B. IBM customer engineer
C. certified IBM Business Partner
D. IBM Maintenance and Technology Support organization

单项选择题A customer is planning to upgrade two VMware ESX servers from 3.5 to 4.1 after recently installing a new XIV Storage System. Each server has 4 HBAs connected to redundant fabrics for a total of 4 paths per server to storage. The customer wants to increase the throughput available to the ESX servers. What configuration setting does the storage specialist need to highlight?（）

A. increase the buffer credits on the HBAs
B. increase the number of device logins on the ESX servers
C. additional paths will be required between the servers and storage
D. multipath option on the ESX servers should be changed to round-robin

单项选择题A customer is purchasing an IBM System Storage DS8700. What is the most important first step for the installation?（）

A. verify configuration
B. conduct pre-install TDA
C. complete physical planning
D. verify the solution meets requirements

单项选择题A customer would like to convert their existing IBM System Storage DS8100 to a DS8700 to gain more capacity. During the TDA review the impact on the running production environment during conversion is discussed. Which of the following must be considered?（）

A. DS8000 model conversions are generally non-disruptive
B. a model conversion from DS8100 to DS8700 is disruptive
C. the DS8100 base frame needs to be sent back to the factory for upgrade
D. during model conversion the logical configuration can be kept, but the system must be rebooted