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单项选择题
A. j_login
B. j_get_user
C. j_login_check
D. j_get_security
E. j_security_check
多项选择题
A. the URL pattern that requires authorization
B. the HTTP methods that require authorization
C. the users allowed access to the web resource
D. the J2EE roles allowed access to the web resource
E. the authentication mechanism required by the web resource
多项选择题
A. authorization
B. data integrity
C. confidentiality
D. authentication
单项选择题
A. a base-64 encoded user name and password
B. a form that POSTs to the j_security_check URL
C. an applet that requests the user name and password from the user
D. a hidden field that supplies the login-constraint used by the application
多项选择题
A. id
B. type
C. name
D. class
E. scope
F. create
单项选择题
A. response.getWriter（）
B. response.getOutputStream（）
C. response.getOutputWriter（）
D. response.getWriter（）.getOutputSTream（）
E. response.getWriter（Writer.OUTPUT_BINARY）
单项选择题
A. GET
B. INFO
C. HEAD
D. TRACE
E. OPTIONS
单项选择题
A. Account account = request.get Resource（”account”）：
B. Account account = request.get Attribute （“account”）：
C. Account account = request.get Parameter （account”）：
D. Account account = （Account）request.getResource （“account”）：
E. Account account = （Account） request.get Attribute （“account”）：
F. Account account = （Account） request.get Paramter （“account”）：
单项选择题
A. Compilation succeeds.
B. An error at line 2 cause compilation to fail.
C. An error at line 9 cause compilation to fail.
D. An error at line 10 cause compilation to fail.
E. An error at line 11 cause compilation to fail.
单项选择题
A. The program runs and prints “Hello”
B. An error causes compilation to fail.
C. The program runs and prints “Hello world!”.
D. The program runs but aborts with an exception.
