Tag: programming languages

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Multiple choice technology programming languages

Identify correct statements about the META-INF directory from the list below. (Choose three.)

  1. META-INF is a suitable location for storing digital certificates.

  2. META-INF is used as a repository for common code.

  3. The MANIFEST.MF file is found in the META-INF directory.

  4. The deployment descriptor file is found in the META-INF directory.

  5. META-INF is not directly accessible to clients.
Reveal answer Fill a bubble to check yourself
A,C,E Correct answer
Full explanation
Multiple choice technology programming languages

Given the following deployment descriptor: InitParams com.osborne.c02.InitParamsServlet initParm question14 What is the outcome of running the following servlet? (Choose one.) public class InitParamsServlet extends HttpServlet { protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ServletContext sc = this.getServletContext(); PrintWriter out = response.getWriter(); out.write("Initialization Parameter is: " + sc.getInitParameter("initParm")); } }

  1. A runtime error

  2. "Initialization Parameter is: null" written to the console

  3. "Initialization Parameter is: question14" returned to the requester

  4. "Initialization Parameter is: null" returned to the requester

  5. "Initialization Parameter is: question14" written to the console
Reveal answer Fill a bubble to check yourself
D Correct answer
Full explanation
Multiple choice technology programming languages

What is the result of loading the web-app with the following deployment descriptor and attempting to execute the following servlet? (Choose two.) author Elmore Leonard public class ContextInitParms extends HttpServlet { protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html"); PrintWriter out = response.getWriter(); Out.write(""); ServletContext sc = getServletContext(); out.write(sc.getInitParameter("auther")); out.close(); } }

  1. ParameterNotFoundException is thrown.

  2. Some other exception is thrown.

  3. "Elmore Leonard" is output on the web page

  4. An application failure occurs

  5. null is output on the web page.

  6. A 404 error occurs in the browser.
Reveal answer Fill a bubble to check yourself
D,F Correct answer
Multiple choice technology programming languages

Given the following deployment descriptor, identify the sequence of filters that execute on a direct client request for ServletA. (Choose one.) LogFilter ServletA AuditFilter /ServletA FORWARD EncryptionFilter /* ServletA /ServletA

  1. LogFilter, AuditFilter, EncryptionFilter

  2. LogFilter, EncryptionFilter

  3. LogFilter

  4. EncryptionFilter, AuditFilter, LogFilter

  5. EncryptionFilter, LogFilter

  6. AuditFilter, EncryptionFilter, LogFilter
Reveal answer Fill a bubble to check yourself
E Correct answer
Full explanation