在下图的属性面板中,如果要设置flash动画的品质,应()
A. 点击标志1所对应的复选框
B. 点击标志2所对应的复选框
C. 点击标志3进行设置
D. 点击标志4进行设置
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下面关于加载的音频文件的参数设置对话框中,autostart的含义是指()
A. 如果对应的值为“true”,则可以实现循环播放音乐的效果
B. 如果对应的值为“false”,则可以实现循环播放音乐的效果
C. 如果对应的值为“true”,则可以实现自动播放音乐的效果
D. 如果对应的值为“false”,则可以实现自动播放音乐的效果
In what situation would the command ip helper-address be required?(Choose the best answer.)()
A. Only when there is a duplicate IP address caused by a combination of static and dynamic IPaddress allocations
B. On each router that exists between the client and the server
C. Only when a router separates the client from the server
D. Only if the DHCP sever issues a DHCPNAK to the initial request
E. Only when the client is on the same subnet as the server
F. Only when the DHCP pool is out of IP addresses
中层之后,可以在属性面板中调整层的显示属性。其中表示层总是隐藏的选项是()
A. default
B. inherit
C. visible
D. hidden
You are creating an undo buffer that stores data modifications.You need to ensure that the undo functionality undoes the most recent data modifications first.You also need to ensure that the undo buffer permits the storage of strings only.Which code segment should you use?()
A. StackundoBuffer=new Stack();
B. Stack undoBuffer=new Stack();
C. Queue();
D. Queue undoBuffer=new Queue();