电子商务活动要求公共互联网络上应该跑信息流、物质流和资金流,因此它至少要涉及到用户、商家和()
A. 结算中心
B. 物流中心
C. 信息中心
D. 金融机构
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You have a VPN server that runs Windows Server 2003 Service Pack 2 (SP2). You need to monitor the performance of the VPN server for one day. What should you do? ()
A. From the Performance console, create a trace log.
B. From the Performance console, create a counter log.
C. Install Network Monitor Tools. From Network Monitor create a new capture.
D. Install Network Monitor Tools. From Network Monitor create a new parser file.
夜间船舶在我国沿海航行,发现某浮标灯质为:快(6)+长闪15秒,则应将其置于()通过。
A. 北侧
B. 东侧
C. 南侧
D. 西侧