← CS311 - Introduction to Web Services Development OverviewChapter 15

Ch 15: Java Database Connectivity (JDBC)

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Showing 41 – 50 of 73 Questions
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Q41
❓ MCQ📘 CS311📑 Lec 15🏷️ 15.9. javax.servlet.http.Cookie and Cookie-based State ManagementEasy⭐💡📄🎓VU🏛️VU
In Java Servlet state management, a Cookie object is designed to hold specific types of state data. Which of the following is NOT contained or supported inside a standard Cookie?
💻 java Snippet
Cookie ck = new Cookie("name", "value");
  1. A.A name
  2. B.A single value
  3. C.Multiple values
  4. D.Optional attributes (such as max age, path, and domain)
Q42
❓ MCQ📘 CS311📑 Lec 15🏷️ 15.8. State Management and Session Tracking OverviewEasy🔁⭐💡📄🎓VU🏛️VU
Which of the following is a valid session tracking technique supported by the Java Servlet specification to maintain user state over the stateless HTTP protocol?
💻 html Snippet
<!-- Example of URL Rewriting in links -->
<a href="ProfileServlet?uname=Ali">View Profile</a>
  1. A.URL session
  2. B.URL writing
  3. C.URL rewriting
  4. D.Request redirection
Q43
❓ MCQ📘 CS311📑 Lec 15🏷️ 15.8. State Management and Session Tracking OverviewEasy⭐💡📄🎓VU🏛️VU
In web applications and state management, which of the following terms refers to a particular interval of time spent in continuous communication between a specific client and a server?
  1. A.Web
  2. B.Servlet
  3. C.Server
  4. D.Session
Q44
❓ MCQ📘 CS311📑 Lec 15🏷️ 15.12. ServletContext Interface and ConfigurationMedium⭐💡🌟📄🎓VU🏛️VU
Which method of the `ServletContext` (or `ServletConfig`) interface is used to retrieve the value of a context initialization parameter configured in the deployment descriptor (`web.xml`) by specifying its name?
💻 xml Snippet
<context-param>
  <param-name>adminEmail</param-name>
  <param-value>admin@vu.edu.pk</param-value>
</context-param>
  1. A.`public String getInitParameter(String name)`
  2. B.`public Enumeration getInitParameterNames()`
  3. C.`public Object getAttribute(String name)`
  4. D.`public void setAttribute(String name, Object object)`
Q45
❓ MCQ📘 CS311📑 Lec 15🏷️ 15.3. Apache Tomcat Server and Directory StructureEasy🔁⭐📄🎓VU🏛️VU
When compiling and running a Java servlet on an Apache Tomcat server, which specific JAR library file must be loaded or added to the classpath?
  1. A.javaee.jar
  2. B.java.jar
  3. C.weblogic.jar
  4. D.servlet-api.jar
Q46
❓ MCQ📘 CS311📑 Lec 15🏷️ 15.11. Hidden Form Fields for State ManagementMedium⭐💡📄🎓VU🏛️VU
Which of the following is NOT a disadvantage of using the Hidden Form Field state management technique?
  1. A.Only textual information can be used.
  2. B.It is maintained at the server side.
  3. C.Extra form submission is required on each page.
  4. D.It will always work whether cookies are enabled or disabled in the browser.
Q47
❓ MCQ📘 CS311📑 Lec 15🏷️ 15.2. Core Servlet Methods (doGet, doPost, doHead, etc.)Easy🔁⭐💡📄🎓VU🏛️VU
What are the payload size limitations on data sent to a server using the HTTP POST request method in Java Servlets or XMLHttpRequest?
  1. A.50 characters per request
  2. B.100 characters per request
  3. C.150 characters per request
  4. D.No size limitations
Q48
❓ MCQ📘 CS311📑 Lec 15🏷️ 15.7. Request Forwarding with RequestDispatcher (forward, include)Easy🔁⭐💡📄🎓VU🏛️VU
Which core interface in the `javax.servlet` package provides the programmatic capability of dispatching or routing a client request to another resource (such as an HTML page, a servlet, or a JSP file) on the server?
  1. A.RequestForward
  2. B.RequestBackward
  3. C.RequestBackForward
  4. D.RequestDispatcher
Q49
❓ MCQ📘 CS311📑 Lec 15🏷️ 15.1. Introduction to Java ServletsEasy⭐💡📄🎓VU🏛️VU
When a Java servlet is requested by a client for the very first time, which of the following lifecycle tasks is the web container NOT responsible for performing?
  1. A.Calls the init method passing the ServletConfig object
  2. B.Deletes the loaded class from the container's memory
  3. C.Instantiates the servlet class
  4. D.Loads the servlet class
Q50
❓ MCQ📘 CS311📑 Lec 15🏷️ 15.8. State Management and Session Tracking OverviewEasy⭐💡📄🎓VU🏛️VU
How many standard, primary state management techniques are supported in Java Servlet technology for session tracking?
  1. A.Two
  2. B.Three
  3. C.Four
  4. D.Five

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Ch 01: Object Oriented ParadigmPracticeCh 02: Introduction to Java LanguagePracticeCh 03: Java Core Classes and Packages1 QsCh 04: Java Collections FrameworkPracticeCh 05: Introduction to XMLPracticeCh 06: Document Type Definition (DTD)Practice