接地引入线：（）与接地汇集线之间相连的导电体称为接地引入线。 接地线。 避雷针。 接地网。 避雷线。
A customer wants to deploy the Cisco Business Ready Teleworker solution, but is currently using a traditional (non-IP) PBX for voice services. What would you recommend to this customer?（） Deployment of Business Ready Teleworker with VoIP is not recommended.。 The customer’s existing PBX must first be replaced with Cisco IP Telephony solution.。 Business Ready Teleworker and Cisco IP Telephony can be deployed in parallel to the existing PBX， integrating the two with trunking.。 Deployment is recommended only for full-time Teleworkers who have no other corporate phone.。
高压液化气体指临界温度（）。 ＜-10OC。 ≥-10OC≤70OC。 3≥-10OC。 ＞70OC。
You defined the Recovery Manager （RMAN） retention policy to recovery window of 7 days by executing the following command： RMAN> CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS； When a backup is performed， what would be the status of this backup after seven days？（） The backup would be marked as invalid.。 The backup would be marked as obsolete.。 The backup would be removed from the media.。 The backup would be removed from the RMAN repository.。
已知某公交线路行车分为上午和下午两班，在一个工作班内冬季行车30班，夏季行车28班；线路驾驶员年额定工作日268天，出勤率为92%。求该线路驾驶员的定员人数为多少？
赵某，男性，40岁。大面积烧伤后发生了创面脓毒血症。防治其全身性感染的关键措施是（）
