单项选择题 Which Cisco product is a software component that blocks unwanted connections and provides other gateway security functions for small business?（）

单项选择题 Which type of deployment utilizes ISRs with Cisco IOS Security feature sets to provide an ideal, low-cost, yet capable and powerful platform?（）

单项选择题 A consulting firm is locating 30 consultants at a client site for a nine-month project. What need does the firm have that can be met by a wireless solution? （）