MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Advanced Java knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which are the session tracking techniques?i. URL rewritingii. Using session objectiii.Using response objectiv. Using hidden fieldsv. Using cookiesvi. Using servlet object |
| A. | i, ii, iii, vi |
| B. | i, ii, iv, v |
| C. | i, vi, iii, v |
| D. | i, ii, iii, v |
| Answer» C. i, vi, iii, v | |
| 2. |
Which of the following is true about servlets? |
| A. | Servlets execute within the address space of web server |
| B. | Servlets are platform-independent because they are written in java |
| C. | Servlets can use the full functionality of the Java class libraries |
| D. | Servlets execute within the address space of web server, platform independent and uses the functionality of java class libraries |
| Answer» E. | |
| 3. |
Which of the following code retrieves the body of the request as binary data? |
| A. | DataInputStream data = new InputStream() |
| B. | DataInputStream data = response.getInputStream() |
| C. | DataInputStream data = request.getInputStream() |
| D. | DataInputStream data = request.fetchInputStream() |
| Answer» D. DataInputStream data = request.fetchInputStream() | |
| 4. |
Which method is used to get three-letter abbreviation for locale’s country in servlets? |
| A. | Request.getISO3Country() |
| B. | Locale.getISO3Country() |
| C. | Response.getISO3Country() |
| D. | Local.retrieveISO3Country() |
| Answer» B. Locale.getISO3Country() | |
| 5. |
Which of the following code is used to get an attribute in a HTTP Session object in servlets? |
| A. | session.getAttribute(String name) |
| B. | session.alterAttribute(String name) |
| C. | session.updateAttribute(String name) |
| D. | session.setAttribute(String nam |
| E. | session.alterAttribute(String name)c) session.updateAttribute(String name)d) session.setAttribute(String name) |
| Answer» B. session.alterAttribute(String name) | |
| 6. |
What is the difference between servlets and applets?i. Servlets execute on Server; Applets execute on browserii. Servlets have no GUI; Applet has GUIiii. Servlets creates static web pages; Applets creates dynamic web pagesiv. Servlets can handle only a single request; Applet can handle multiple requests |
| A. | i, ii, iii are correct |
| B. | i, ii are correct |
| C. | i, iii are correct |
| D. | i, ii, iii, iv are correct |
| Answer» C. i, iii are correct | |
| 7. |
How constructor can be used for a servlet? |
| A. | Initialization |
| B. | Constructor function |
| C. | Initialization and Constructor function |
| D. | Setup() method |
| Answer» D. Setup() method | |
| 8. |
How is the dynamic interception of requests and responses to transform the information done? |
| A. | servlet container |
| B. | servlet config |
| C. | servlet context |
| D. | servlet filter |
| Answer» E. | |
| 9. |
When destroy() method of a filter is called? |
| A. | The destroy() method is called only once at the end of the life cycle of a filter |
| B. | The destroy() method is called after the filter has executed doFilter method |
| C. | The destroy() method is called only once at the begining of the life cycle of a filter |
| D. | The destroyer() method is called after the filter has executed |
| Answer» B. The destroy() method is called after the filter has executed doFilter method | |
| 10. |
Which method is used to get three-letter abbreviation for locale’s country in servlets?$ |
| A. | Request.getISO3Country() |
| B. | Locale.getISO3Country() |
| C. | Response.getISO3Country() |
| D. | Local.retrieveISO3Country() |
| Answer» B. Locale.getISO3Country() | |
| 11. |
Can servlet class declare constructor with ServletConfig object as an argument? |
| A. | True |
| B. | False |
| Answer» C. | |