Đề Thi FE PRJ301 - SP26 - B5 - FE

admin · 29/4/26

PRJ301 SP26 B5 FE 10H50

Dưới đây là toàn bộ 50 câu hỏi trắc nghiệm từ tài liệu bạn cung cấp, giữ nguyên ngôn ngữ gốc, sắp xếp theo thứ tự tăng dần và bao gồm yêu cầu chọn đáp án:

Câu 1 (Multiple Choice - Choose 1 answer) What is inside a HTTP response?

A. A result code and Header fields

B. A request code and response code

C. Body and ACK flag

D. Body and Header fields

E. Both A and D is true

F. All of above

Câu 2 (Multiple Choice - Choose 1 answer) How does the GET method handle sensitive data compared to the POST method?

A. GET encrypts data, ensuring secure transmission.

B. POST is more suitable for secure data transfer.

C. GET exposes sensitive data in the URL.

D. GET can handle larger data volumes than POST.

Câu 3 (Multiple Choice - Choose 1 answer) What happens to request attributes when sendRedirect() is used?request.setAttribute("data", "value");response.sendRedirect("result.jsp");

A. Attributes are retained

B. Attributes are lost

C. They are automatically sent to the next page

D. They are converted to session attributes

Câu 4 (Multiple Choice - Choose 1 answer) How can you create a drop-down list in an HTML form?

A. Using the <dropdown> element

B. Using the <list> element

C. Using the <select> element

D. Using the <options> element

Câu 5 (Multiple Choice - Choose 1 answer) In a standard Java web application, where is the deployment descriptor (web.xml) typically located?

A. /WEB-INF

B. /META-INF

C. /WEB-INF/classes

D. Root directory

Câu 6 (Multiple Choice - Choose 1 answer) What is the primary function of a Servlet container in a Java web application?

A. Handling static resources like HTML and CSS

B. Executing server-side Java code (Servlets)

C. Managing database connections

D. Running JavaScript code on the client-side

Câu 7 (Multiple Choice - Choose 1 answer) Where is the deployment descriptor located?

A. The deployment descriptor is located in the WEB-INF directory of the web application.

B. The deployment descriptor is located in the WEB-INFS directory of the web application.

C. The deployment descriptor is located in the WEBS-INF directory of the web application.

D. The deployment descriptor is located in the WEBS directory of the web application.

Câu 8 (Multiple Choice - Choose 1 answer) Which of the following is NOT typically configured in the web.xml file of a Java web application?

A. Servlet and URL mapping

B. Initialization parameters

C. Database table schema

D. Filter configuration

Câu 9 (Multiple Choice - Choose 1 answer) What method is called in HttpServlet when using a href link to pass parameters to servlet?

A. doPost(HttpServletRequest request, HttpServletResponse response)

B. doPut(HttpServletRequest request, HttpServletResponse response)

C. doGet(HttpServletRequest request, HttpServletResponse response)

D. doDelete(HttpServletRequest request, HttpServletResponse response)

Câu 10 (Multiple Choice - Choose 1 answer) Examine this servlet codeWebServlet("/showParams")public class ShowParams Servlet extends HttpServlet { ... }(Context: uses ctx.getInitParameterNames() with web.xml entries settingOne: foo and settingTwo: bar) What will the servlet output?

A. foo bar

B. settingOne: foo settingTwo: bar

C. settingTwo: bar settingOne: foo

D. settingOne settingTwo

Câu 11 (Multiple Choice - Choose 1 answer) What is the function of the <jsp:forward> tag in JSP?

A. Sends a permanent redirect to the browser

B. Includes another JSP page's content during request processing

C. Transfers request control to another resource on the server

D. Returns the response to the calling servlet

Câu 12 (Multiple Choice - Choose 1 answer) Which servlet method retrieves a servlet's initialization parameter defined in the web.xml?

A. getServletConfig().getInitParameter("paramName")

B. getServletContext().getInitParameter("paramName")

C. getInitParameter("paramName")

D. getConfig().getParameter("paramName")

Câu 13 (Multiple Choice - Choose 1 answer) What is the purpose of request attributes in servlet collaboration?

A. To store data that can be shared across multiple servlets within the same request.

B. To store data that can be shared only within the same servlet.

C. To store data that can be shared across multiple servlets in the same session.

D. To store data that can be accessed by any servlet in the application.

Câu 14 (Multiple Choice - Choose 1 answer) What is the purpose of the <url-pattern> element in the servlet mapping configuration?

A. To define the servlet's class name

B. To specify the context path of the web application

C. To set the URL address that maps to a servlet

D. To configure filter mappings

Câu 15 (Multiple Choice - Choose 1 answer) Consider the code:<%@ taglib uri="
You do not have permission to view link Đăng nhập hoặc Đăng ký.
" prefix="c" %><c:set var="x" value="10" /> <c:set var="y" value="5" /> ${x+y} What is the incorrect output produced by the JSP page above?

A. 15

B. 10 + 5

C. 510

D. 105

Câu 16 (Multiple Choice - Choose 1 answer) For generating an HTML page in JSP, which content type must be set using the page directive?

A. text/xml

B. text/plain

C. text/html

D. application/json

Câu 17 (Multiple Choice - Choose 1 answer) Which tag is used to declare a variable or method in JSP?

A. <var>

B. <declare>

C. <scriptlet>

D. <%! %>

Câu 18 (Multiple Choice - Choose 1 answer) Which implicit object in JSP provides access to the servlet context and can be used to store and retrieve application-wide information?

A. pageContext

B. request

C. application

D. session

Câu 19 (Multiple Choice - Choose 1 answer) Through which implicit object can you access parameters passed to the JSP page?

A. params

B. request

C. input

D. getParameters

Câu 20 (Multiple Choice - Choose 1 answer) Which of the following statements about JSTL is not valid?

A. JSTL improves readability over scriptlets

B. JSTL completely replaces servlets for business logic

C. JSTL requires importing core and optional tag libraries

D. JSTL provides tags for iteration, conditionals, and internationalization

Câu 21 (Multiple Choice - Choose 1 answer) If you forget to close the JDBC connection (Connection), what can happen?

A. Data can be lost

B. The application will automatically release the connection

C. The number of connections to the database can be exhausted (Connection Leak)

D. Nothing happens

Câu 22 (Multiple Choice - Choose 1 answer) When to use PreparedStatement instead of Statement?

A. When there is a static SQL query that does not change

B. When executing the same query multiple times with different parameters

C. When a stored procedure needs to be called

D. When the query has no parameters

Câu 23 (Multiple Choice - Choose 1 answer) How do you manage database transaction with JDBC driver?

A. Explicit transaction management by invoke con.beginTrans()

B. Turn off auto commit mode from DBSM for implicit transaction

C. It is automatically managed by DBMS

D. Invoke con.commit() or con.rollback()

Câu 24 (Multiple Choice - Choose 1 answer) Which component of the MVC architecture is responsible for presenting data to the user in a web application?

A. Model

B. View

C. Controller

D. Service

Câu 25 (Multiple Choice - Choose 1 answer) Given the code: HttpSession session = request.getSession(); session.setAttribute("username", "HuyNM"); Which of the following is incorrect?

A. The session must exist or be created automatically

B. The attribute "username" can be retrieved later using the same session

C. The attribute will persist across multiple HTTP requests

D. The attribute is stored in the client browser's local storage

Câu 26 (Multiple Choice - Choose 1 answer) Which is NOT considered a standard component of a typical MVC architecture in web applications?

A. Database

B. Model

C. View

D. Controller

Câu 27 (Multiple Choice - Choose 1 answer) In a multi-tier data model, which layer is responsible for handling application logic?

A. User Interface App Layer

B. Application Logic Layer

C. Data Layer

D. Connection Layer

Câu 28 (Multiple Choice - Choose 1 answer) To get the value of an attribute saved in the session, which method do we use?

A. session.getParameter(String name)

B. session.getValue(String name)

C. session.getAttribute(String name)

D. session.fetchAttribute(String name)

Câu 29 (Multiple Choice - Choose 1 answer) What happens if you call request.getSession(false); when no session exists?

A. A new session is created

B. Returns null

C. IllegalStateException is thrown

D. The old session is reset

Câu 30 (Multiple Choice - Choose 1 answer) In the doGet method, how to create a Cookie and send it to the client?

A. Cookie newCookie = new Cookie("username", "john_doe"); response.addCookie(newCookie);

B. response.setCookie("username", "john_doe");

C. request.createCookie("username", "john_doe"); response.sendCookie();

D. Cookie.create("username", "john_doe"); response.writeCookie();

Câu 31 (Multiple Choice - Choose 1 answer) How to store a value in ServletContext from a Servlet?

A. context.setAttribute("key", value);

B. request.setAttribute("key", value);

C. session.setAttribute("key", value);

D. response.setAttribute("key", value);

Câu 32 (Multiple Choice - Choose 1 answer) Consider the code in the LoggingFilter and the web.xml configuration. Arrange the following steps correctly to describe the processing inside server when a client requests index.jsp:

LoggingFilter intercepts the request.

Server compiles and processes JSP to HTML.

HTML content is sent to client's browser.

Request continues to index.jsp.

HTML response is sent back to LoggingFilter.

A. 1-4-2-5-3

B. 1-5-4-2-3

C. 1-2-5-3

D. 1-4-5-3

Câu 33 (Multiple Choice - Choose 1 answer) Given a Java class Employee with a field named tel, consider EL code ${emp.tel}. Which statement accurately describes the requirements for accessing the tel field?

A. The tel field must be declared as public, and no getter method is required.

B. The tel field may be private, but a getTel() method must be provided.

C. Both A and B are correct

D. Neither A nor B is correct

Câu 34 (Multiple Choice - Choose 1 answer) When accessing ${sessionScope.cart.items[0]}, what happens?

A. Retrieve the first element of the items array in the cart object from the session

B. EL will return null if the cart does not exist in the session

C. Error because EL does not support array retrieval

D. Both A and B are correct

Câu 35 (Multiple Choice - Choose 1 answer) How would you use EL to access a property named title from a Map object within a List named bookList at index 2?

A. ${bookList[12].title}

B. ${bookList.get(2).title}

C. ${bookList["2"].title}

D. ${bookList.title[2]}

E. ${bookList[2].title}

Câu 36 (Multiple Choice - Choose 1 answer) Which interface must be implemented to create a custom listener for session-related events?

A. HttpSessionListener

B. ServletRequestListener

C. ServletContextListener

D. ServletResponseListener

Câu 37 (Multiple Choice - Choose 1 answer) In Java web development, what is the primary role of a ServletContextListener?

A. Handling HTTP requests and generating responses.

B. Managing sessions and cookies for clients.

C. Observing changes in the lifecycle of the ServletContext.

D. Interacting with databases to perform CRUD operations.

Câu 38 (Multiple Choice - Choose 1 answer) What does a session listener do in a web application?

A. It listens to and records conversations

B. It watches for changes in user sessions, like when someone logs in or out

C. It changes session data

D. It helps users navigate through the application

Câu 39 (Multiple Choice - Choose 1 answer) What is the purpose of a Session Listener in a Java web application?

A. To listen for changes in session attributes

B. To listen for changes in application context parameters

C. To listen for changes in request parameters

D. To listen for changes in session lifecycle events

Câu 40 (Multiple Choice - Choose 1 answer) Given JSTL code: <c:url value="/app/item" var="myUrl"> <caram name="type" value="book" /> ... </c:url> What is the correct output of ${myUrl}?

A. /app/item?type=book&id=123

B. /app/item?type=id&book=123

C. /app/item

D. Nothing will be printed out

E. The JSP failed to compile

Câu 41 (Multiple Choice - Choose 1 answer) What is the purpose of the <c:catch> tag in JSTL?

A. It catches exceptions thrown during the execution of its body content.

B. It handles errors thrown by JSP expressions.

C. It catches HTTP errors and redirects to an error page.

D. It encapsulates code to be executed asynchronously.

Câu 42 (Multiple Choice - Choose 1 answer) Which JSTL tag is used to format dates and times according to the user's locale?

A. <fmt:setTimeZone>

B. <fmt:setLocale>

C. <fmt:formatDate>

D. <fmt:setBundle>

Câu 43 (Multiple Choice - Choose 1 answer) What's the point of using <fmt:setLocale> in a JSP?

A. To pick the main language for the website.

B. To tell other tags which language and country format to use.

C. To change the user's language settings.

D. To choose the language for database information.

Câu 44 (Multiple Choice - Choose 1 answer) Which interface needs to be implemented to create a custom tag handler class?

A. javax.servlet.Servlet

B. javax.servlet.filter.Filter

C. javax.servlet.jsp.tagext.Tag

D. javax.servlet.http.HttpServlet

Câu 45 (Multiple Choice - Choose 1 answer) Which attribute of the <jsp:directive.tag> element is used to specify the Java class that implements a Simple Tag Handler?

A. tagclass

B. class

C. handler

D. implementation

Câu 46 (Multiple Choice - Choose 1 answer) What is the role of the setBodyContent() method in the BodyTag interface?

A. It sets the body content of the custom tag.

B. It returns the body content as a string.

C. It initializes the BodyContent object for the tag.

D. It releases any resources associated with the body content.

Câu 47 (Multiple Choice - Choose 1 answer) In the context of web filters, what does "pre-processing" of a request mean?

A. Changing the response sent to the client.

B. Handling the request before it reaches the servlet or resource.

C. Altering the client's browser settings.

D. Encrypting the request data.

Câu 48 (Multiple Choice - Choose 1 answer) Filter can be defined in which file?

A. web.xml

B. In Java @WebFilter annotation

C. Both A and B

D. No need to define, just implement in Servlet

Câu 49 (Multiple Choice - Choose 1 answer) When is the destroy() method of a servlet filter called?

A. At the end of the filter's lifecycle

B. Before each doFilter() method call

C. After the web application is undeployed

D. Immediately after the filter's first invocation

Câu 50 (Multiple Choice - Choose 1 answer) In a Java web application, when two filters match an incoming request—one via a URL pattern and the other via a Servlet name—which filter takes precedence?

A. The filter matching the request via a URL pattern.

B. The filter matching the request via a servlet name.

C. The filter declared first in the deployment descriptor.

D. The filter processed in alphabetical order based on its name.

Đề Thi FE PRJ301 - SP26 - B5 - FE

admin

Member

Đính kèm

Đề Thi FE PRJ301 - SP26 - B5 - FE

adminadmin is verified member.

Member

Đính kèm

admin