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What is the purpose of the Route Tag field in the RIPv2 message？
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What is the purpose of IP Event Dampening?（）A、to configure a subinterface so that it can be applied to the primary interface in order to prevent exponential selective dampeningB、to suppress the effects of excessive interface flapping events on routing protocols and routing tables in the networkC、to introduce a nonconfigurable exponential delay mechanismD、to allow the network operator to configure a router to automatically dampen and selectively identify a local interface that is failing
what is the purpose of classification？
As a network engineer， do you know for what purpose SDM uses Security Device Event Exchange（SDEE）？（）A、to provide a keepalive mechanismB、to pull event logs from the routerC、to extract relevant SNMP informationD、to perform application-level accounting
You are developing a Windows Presentation Foundation (WPF) application. An event triggers a workflow such that a parent control executes the event handlers before the child controls. You need to ensure that if a parent controls event handler encounters an error, the subsequent handlers are not called. What should you do?（）A、 Use handlers for a tunneling routed event and mark the event as handled in the case of a problem.B、 Use handlers for a tunneling routed event and make the event as handled in the finally portion of a try-catch-finally code block.C、 Use handlers for a bubbling routed event and mark the event as handled in the case of a problem.D、 Use handlers for a bubbling routed event and set the Handled property of the RoutedEventArgs object to true in the catch portion of a try-catch-finally code block.
You are developing a user control for Windows Presentation Foundation (WPF) application. The user control contains a button. Both the user control and the hosting control must receive the button click event. You need to ensure that the user control responsd to the button click event before hosting control responds to the event. What should you do ?（）A、 Use a bubbling routed event. In the button click event handler, set the Handled property to TrueB、 Use a bubbling routed event. In the button click event handler, set the Handled property to FalseC、 Use a standard Microsoft .NET event. Set Handled property to true.D、 Use a tunneling routed event. Set the handled property to false.
单选题The purpose of a temperature sensing device installed in the stack of a small automatically fired auxiliary steam boiler is to secure the oil burner（）A in the event of a flame failureB in the event of a stack fireC when the water level reach the crown sheetD when the feed pump discharge pressure drops to a preset minimum
