单选题Which of the following expansion cards would MOST likely require the use of an external powerconnector to function properly?（）A PCI Express video cardB PCI Express fiber cardC PCI Express sound cardD PCI Express network card
题目
单选题
Which of the following expansion cards would MOST likely require the use of an external powerconnector to function properly?（）
A
PCI Express video card
B
PCI Express fiber card
C
PCI Express sound card
D
PCI Express network card