单项选择题
Which of the following tools are BEST used to cut away the outside covering of a CAT5e cable?（）
A. Stripper B. Punch down tool C. Butt set D. Snips
单项选择题 Which of the following is true about an IP address if the first bit is a zero?（）
单项选择题 Which of the following cable speeds would provide the GREATEST theoretical bandwidth?（）
多项选择题 Which of the following network topologies BEST describes a VPN? （）(Select TWO)
