SCDCD(310-081)多項(xiàng)選擇題每日一練(2019.05.10)

來源：考試資料網(wǎng)

1 Which two are valid declarations of char？（）

2 Which the two JSTL URL-related tags perform URL rewriting？（）

3 Which two authentication mechanisms provide weaker protection than other mechanisms？（）

4 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？（）

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5 Upon a user’s first visit to the website， which two operations are always performed when the getSession method is called with no arguments in a servlet？（）

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