封闭环是在装配或加工过程的最后阶段自然形成的（）环。 ["三","一","双","多"]
大体积混凝土工程的施工宜采用（）连续浇筑施工。 ["环梁式","部分分层","整体分层","流水式","推移式"]
What is the default severity level of syslog trap messages?（） ["Warnings（severity=4）","Errors（severity=3）","notifications（severity=5）","informational（severity=6）"]
电气设备着火时应用哪些消防器材？
You are conducting a cdp-based discovery using an edge switch for the seed. there is a router between the switch and the wlse. none of the access points are discovered， and the discovery log shows the switch is snmp unreachable. What is the problem？（） ["the snmp communities on the switch do not match the wlse.","the snmp communities on the access points do not match the wlse.","the snmp communities on the access points do not match the switch.","the snmp communities on the router do not match the wlse."]
西戎
