You have been called upon to add location-based services into an existing controller-based wireless designwhich primarily encompasses handheld devices such as barcode scanners and Cisco 7920 wireless IPphones. In which mode should you deploy the additional access points to achieve the density required without excessive co-channel interference？（） ["sniffer mode","monitor mode","location mode","tracking mode"]
根据《治安管理处罚法》及有关解释规定，违反治安管理行为超过追究时效，不再处罚，如有违禁品的，（）。 ["应当追缴","应当收缴","不予追缴","不予收缴"]
通过利润表，可以了解商业银行上交税金、提取盈余公积金和利润结余方面情况。
偶然误差具有哪些特性？
利他主义的表现（）
水是一种（）商品，水市场是一种（）市场。
