人工冻结法施工工艺不包括（） 冻结工作站安装。 铺设冻结管。 积极冻结期。 土体渗漏治理。
Which component of the Cisco 800, 1800, 2800, and 3800 Series ISRs can be used to enable importantsecurity and storage capabilities? （） onboard USB 1.1 ports。 inline PoE。 Ethernet backup port。 BRI。
晶体
资本固定化比率是反映偿债能力的指标。
A global manufacturer of automobile parts wants to implement specialized voice applications to increase productivity and reduce the cost of overseas toll calls. Which Cisco solution best matches this business need?（） Digital subscriber line (DSL)。 Optical network。 Wireless local-area network (WLAN)。 Internet Protocol (IP) telephony。
What are two design considerations for a WLAN to support voice?（）
