以下关于闭合多条路径的操作正确的是（） 按住 SHIFT 键，然后使用挑选工具乱序选择对象与框选对象使用任何闭合路径操作结果都一样 。 按住 SHIFT 键，然后使用挑选工具乱序选择对象与框选对象使用闭合路径中“最近的节点和直线”命令结果是一样的 。 按住 SHIFT 键，然后使用挑选工具乱序选择对象与框选对象使用闭合路径中“从起点到终点使用直线” 命令结果是一样的 。 按住 SHIFT 键，然后使用挑选工具乱序选择对象与框选对象使用闭合路径中“从起点到终点使用曲线” 命令结果是一样的。
During a recent OSPF election among three routers, RTA was elected the DR and RTB was elected the BDR, as seen in the graphic. Assume that RTA fails, and that RTB takes the place of the DR whi le RTC becomes the new BDR. What will happen when RTA comes back online？（） A new election will take place establishing an all new DR and BDR based on configured priority levels and MAC addresses.。 RTA will take the place of DR immediately upon esta blishing its adjacencies.。 RTA will take the place of DR only if RTB fails.。 RTA will take the place of DR only if both RTB and RTC fail.。
廊道
下列选项中属于流动资产的有（）。 货币资金。 短期投资。 应收及预付款项。 存货。
You work as a network technician at Company. Please study the exhibit carefully. In this Company wireless network， the LAP （lightweight access point） attempts to register to a WLC （Wireless LAN Controller）. What kind of message is transmitted？（） The lightweight access point will send Layer 2 and Layer 3 Lightweight Access Point （LWAPP） mode discovery request messages at the same time.。 The lightweight access point will send Layer 3 Lightweight Access Point （LWAPP） mode discovery request messages only.。 The lightweight access point will send Layer 2 Lightweight Access Point （LWAPP） mode。 iscovery request messages. If the attempt fails， the LAP will try Layer 3 LWAPP WLC discovery. D. The lightweight access point will send Layer 2 Lightweight Access Point （LWAPP） mode discovery request messages only.。
根据《UPC500》的解释，信用证的第一付款人是（）。
