In order for a controller-based access point to be allowed to participate in aggressive load balancing，it must have heard the client within how many seconds？（） 15。 10。 1。 5。
锅炉检修中应注意用电安全，在锅筒和潮湿的烟道内检验而用电灯照明时，照明电压不应超过（）V。 24。 36。 48。 110。
Your computer uses both wired and wireless network connections. The networks are not connected to each other. You disallow incoming connections in Microsoft Windows Firewall. You create a shared folder. Users on the wireless network cannot access the shared folder. You need to allow access to the shared folder from the wireless network. You also need to maintain the security of the wired network. What should you do？（） Turn off the Windows Firewall feature.。 Disable the Block all incoming connections option.。 Turn off the Spyware and other malware protection option.。 Enable the File and Printer Sharing exception in the firewall settings of the wireless network adapter.。
沿着刀具前进方向观察，刀具中心轨迹偏在工件轮廓的右边时，用（）补偿指令。 左刀。 右刀。 前刀。 后刀。
用于焊接结构压力容器主要受压元件的碳钢原则上应选用（）。 低碳钢。 中碳钢。 高碳钢。
高新技术企业的研究开发人员不包括（）。
