单选题A technician temporarily needs an additional network connection in their office to test a newworkstation. Which of the following is the BEST solution to add a temporary network connection?（）A Install a small network switchB Use port mirroring on the sw
题目
单选题
A technician temporarily needs an additional network connection in their office to test a newworkstation. Which of the following is the BEST solution to add a temporary network connection?（）
A
Install a small network switch
B
Use port mirroring on the switch
C
Split the pairs of the existing jack
D
Install a CSU/DSU