题目内容

You create Microsoft Windows-based applications. You create an application that requires users to be authenticated by a domain controller. The application contains a series of processor intensive method calls that require different database connections. A bug is reported during testing. The bug description states that the application hangs during one of the processor-intensive calls more than 50 percent of the times when the method is executed. Your unit test for the same method was successful.You need to reproduce the bug. Which two factors should you ascertain from the tester？（）

A. Security credentials of the logged on user
B. Code access security settings
C. Hardware settings
D. Network settings
E. Database settings

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You create a Web page that contains the following code. You need to provide the following implementation. Each time the AddFile button is clicked， a new div element is created. The new div element is appended after the other file upload div elements and before the AddFile span. Each new element has a unique identifier. Which code segment should you use？（）

A. $（"#AddFile"）.click（function （） {var id = "File" + ++lastId； var item =$（".File：first"）.clone（true）； $（"input：file"， item）.attr（{ id： id， name： id }）； item.insertBefore（"#AddFile"）； }）；
B. $（"#AddFile"）.click（function （） {var id = "File" + ++lastId；$（".File：first"）.clone（true）.attr（{ id： id， name： id }）.insertBefore（"#AddFile"）； }）；
C. $（"#AddFile"）.click（function （） {var id = "File" + ++lastId； }）；
D. $（"#AddFile"）.click（function （） {var id = "File" + ++lastId；var item = $（".File：first"）.clone（true）； $（"input：file"， item）.attr（{ id： id， name： id }）； item.insertAfter（"input[type=file]"）； }）；

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在Dreamweaver 8中，下面对象中可以添加热点的是（）

A. 文字
B. 图像
C. 层
D. 动画

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Which of the following are shared distribution tree characteristics？（Choose all that apply.）（）

A. Memory requirements are higher for shared distribution tree than for source distribution tree
B. Creates a tree from a central RP to all last-hop routers
C. Uses a rendezvous point
D. An optimal path is created between each source router and each last-hop router
E. Place （S，G） entry in each router’s multicast routing table
F. Place （*，G） entry in a router’s multicast routing to table

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添加背景音乐的HTML标签是（）

A
B
C
D

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A. Security credentials of the logged on user B. Code access security settings C. Hardware settings D. Network settings E. Database settings

在Dreamweaver 8中，下面对象中可以添加热点的是（）

Which of the following are shared distribution tree characteristics？ （Choose all that apply.）（）

添加背景音乐的HTML标签是（）

A. Security credentials of the logged on user
B. Code access security settings
C. Hardware settings
D. Network settings
E. Database settings

Which of the following are shared distribution tree characteristics？（Choose all that apply.）（）