Which statement about the Lightweight Access Point Protocol （LWAPP） is true？ （） LWAPP encrypts both control traffic and user data.。 LWAPP encrypts user traffic with an x.509 certificate using AES-CCMP.。 When set to Layer 3， LWAPP uses a proprietary protocol to communicate with the Cisco Aironet APs.。 LWAPP encrypts control traffic between the AP and the controller.。 None of the other alternatives apply.。
医疗机构发现乙脑病例或疑似病例时，需要采集什么标本、做什么检测？
新中国成立以来，中国在富国和强军的关系上的三个阶段不包括：（） 建党以后的20多年。 建国以后的20多年。 改革开放以后近20年。 新世纪新阶段以后。
You are the network administrator for Company.Company has just upgraded its network switches from 10 Mbps to 100 Mbps. After the upgrade， you findthat the 100 Windows 2000 Professional computers on the network are still communicating at only 10Mbps. Company uses NWLink as the only network protocol.You want to enable the computers to communicate at 100 Mbps.What should you do？（） Replace the network adapters with 10/100 Mbps network adapters. 。 Enable TCP/IP on all of the computers on the network.。 Configure the NWLink frame type of the network adapters to be Ethernet II. 。 Configure the NWLink frame type of the network adapters to be Ethernet 802.3.。
下列属于特殊能力的是（） 观察力。 记忆力。 抽象概括力。 色彩识别力。
滤镜的作用对象是（）
