单选题A customer requires a 2-way solution now that will be the easiest and least disruptive to upgrade to a 4-way in the future. Which of the following solutions best matches these requirements？（）A p630 2-way Active 2-way InactiveB p655 2-way Active 2-way
题目
单选题
A customer requires a 2-way solution now that will be the easiest and least disruptive to upgrade to a 4-way in the future. Which of the following solutions best matches these requirements？（）
A
p630 2-way Active 2-way Inactive
B
p655 2-way Active 2-way Inactive
C
p5-520 2-way Active 2-way Inactive
D
p5-550 2-way Active 2-way Inactive