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对于层的属性，选择（）可以使浏览器仅在需要时显示层的滚动条。
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Refer to the exhibit. Host A and Host B are connected to the Catalyst 3550 switch and have beenassigned to their respective VLANs. The rest of the 3550 configuration is the default configuration.Host A is able to ping its default gateway， 10.10.10.1， but is unable to ping Host B. Given theoutput displayed in the exhibit， which statement is true？（）
Refer to the exhibit. VLAN2， VLAN3， and VLAN10 are configured on the switch D-SW1.Host computers are on VLAN 2 （10.1.2.0）， servers are on VLAN 3 （10.1.3.0）， and the management VLAN is on VLAN10 （10.1.10.0）. Hosts are able to ping each other but are unable toreach the servers. On the basis of the exhibited output， which configuration solution could rectifythe problem？（）
您可以在代码中创建以下变量：DateTimedateValue；此外，您编写代码以将时间存储在dateValue变量的当地时间。你是序列化所需的价值dateValue变量中，如果在一个时区DateTime对象序列化和反序列化一个不同的时区，表示本地时间结果应自动调整到第二个时区。你决定要使用的表达式。你应该做什么？（）
You work as an application developer at Certkiller .com. You have been asked to profile a business application that can be accessible using the Event Log API. You have started by adding the following code to create a custom event log： if （EventLog.SourceExists （"Application1"）） EventLog.DeleteEventSource （"Application1"）； //Create new event log EventLog.CreateEventSource （"Application1"， "Profile"）； You need to write an event to the Application1 event log. What code must you use？（）
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