Which two are true？（...

多项选择题
Which two are true？（）

A. The prefix ‘java’ is reserved.
B. The URI ‘myTags’ must be properly mapped to a TLD file by the web container.
C. A translation error occurs because the prefix is considered identical by the web container.
D. For the tag usage ， the tag1 must be unique in the union of tag names in ‘myTags’ and ‘moreTags

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2.多项选择题Given that a scoped attribute cart exists only in a user’s session， which two， taken independently， ensure the scoped attribute cart no longer exists？（）

A. ${cart = null}
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G. <c：remove scope="session">${cart}</c：remove>

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3.单项选择题 Which option prevents the exception thrown by my：errorProne from invoking the error page mechanism and outputs the message "File not found" in the response？（）

A.A
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4.单项选择题Which interface must a class implement so that instances of the class are notified after any object is added to a session？（）

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5.单项选择题 The tl：task tag supplies information about a single task while the tl：taskList tag does the final output. The tag handler for tl：taskList is TaskListTag. The tag handler for tl：task is TaskTag. Both tag handlers extend BodyTagSupport.
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6.多项选择题Which three are valid values for the body-content attribute of a tag directive in a tag file？（）

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7.单项选择题 A developer is designing a web application that must support multiple interfaces， including：
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• HTML for web-based clients
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A. Session Façade
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8.单项选择题A developer is designing a multi-tier application and discovers a need to hide the details of establishing and maintaining remote communications from the client. In addition， the application needs to find， in a transparent manner， the heterogeneous business components used to service the client’s requests. Which design patterns， working together， address these issues？（）

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10.单项选择题A developer is designing a web application that makes many fine-grained remote data requests for each client request. During testing， the developer discovers that the volume of remote requests significantly degrades performance of the application. Which design pattern provides a solution for this problem？（）

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