单选题A media customer has an IBM BladeCenter E with ten HS22 Blade server installed. Currently only one Ethernet port is available for each server. What is required to enable the second port on eachserver？（）A Fiber Channel Switch ModuleB Gb Ethernet expansi
题目
单选题
A media customer has an IBM BladeCenter E with ten HS22 Blade server installed. Currently only one Ethernet port is available for each server. What is required to enable the second port on eachserver？（）
A
Fiber Channel Switch Module
B
Gb Ethernet expansion card
C
Myrinet Cluster expansion card
D
Ethernet Switch Module