管道系统小修，需在局部管网短时间停止运行条件下进行修理的项目如（） 更换法兰垫片和阀门。 支、吊架螺栓的紧固。 管道保温层的修整。 压力表和安全阀更换。
You are a security administrator for your company. All servers run Windows Server 2003. All client computers run Windows XP Professional. The network is configured as shown in the Network Diagram exhibit. （Click the Exhibit button.）Users in the sales department use portable computers that are not connected to the company network. Each week sales users travel to the company’s main office and connect to the IEEE 802.11b wireless LAN （WLAN）. The WLAN is configured as shown in the Wireless Configuration exhibit. （Click the Exhibit button.） The WLAN hardware does not support IEEE 802.1x. Once a Week， sales users connect to the WLAN to retrieve confidential sales documents from file servers on the network. You discover that unauthorized users intercepted data in sales documents while the documents were transmitted over the WLAN. You need to protect sales documents from being intercepted by unauthorized users. What should you do？（） Configure a new VPN server on the corporate network. Configure a Connection Manager administration Kit （CMAK）profile that connects sales users to the VPN server.。 Disable NetBIOS on all portable computers and file servers.。 Configure a packet filter on the router that separates the WLAN from the corporate network.Configure the packet filter to all ow only traffic from the WLAN to enter the internal network. 。 Configure the file server that contains sales documents to be trusted for delegation.Instruct sales users to use Encrypting File System （EFS） when storing files on the file server.。
大剂量使用烟酸引起皮肤潮红的机理是（） 组胺释放。 局部前列腺素生成。 血小板生长因子释放（PDGF.。 NO产生。 Ca2+通道阻滞作用。
（）根据商品需求量和成本合理化确定采购批次、间隔和批量，以确保在不间断的供给的前提下使成本最小化。 采购决策。 库存决策。 运输决策。 生产决策。
森林树种的物种特性可分为生物学特性和生态学特性，以下哪些属生态学特性（） 形态特性。 解剖特性。 生长发育特性。 耐荫性。 耐旱性。
水泥混凝土面板施工中，采用木模板架设时，弯道部分板厚宜为（）mm。
