Computer Knowledge

Java Enterprise and Web Technologies

2,183 Questions

Java enterprise and web technologies questions focus on J2EE architecture, web services like SOAP, and servlet functionalities. These topics frequently appear in IT officer and specialist scale examinations. Regular practice ensures familiarity with enterprise application components.

HttpServlet methodsSOAP and web servicesEJB architecture rolesJ2EE componentsJSP servlet callingUDDI concepts

Java Enterprise and Web Technologies Questions

Multiple choice

Which of the following is/are a/the false statement(s) about request manipulation in Burp suite?

  1. Burp Comparer is used to identify the difference between two responses of applications quickly in the context of applications on the web.

  2. The Decoder tool is used to identify the differences between failed log in responses using invalid and valid usernames.

  3. Burp Repeater is used for manually reissuing and modifying individual requests of HTTP.

  4. Burp proxy is an HTTP/S interactive proxy server for testing and attacking applications on the web.

  5. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This is false about Decoder tool as it does not identify any differences of the failed login. Burp suite comparator is used for that.

Multiple choice

Which of the following is/are applicable for 'NoClassDefFoundError' in troubleshooting?

  1. This may be the problem related to the location of the jar file.

  2. To resolve this, it is necessary to run the command java-version and confirm that the version being executed is 1.6 or later.

  3. To check whether any new entries are appearing in the Proxy history.

  4. To check the authentication failures.

  5. Both (1) and (2)
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

These are the correct statements.

Multiple choice

Which of the following tasks is/are not related to HTTP proxy?

  1. A proxy receives a request for an URL object.

  2. A proxy can modify the request.

  3. A proxy stores previous requests and responses for handling new requests.

  4. A proxy forwards the request towards the server.

  5. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is false as a cache stores the previous requests and responses for handling new requests.

Multiple choice

Which of the following interfaces is a platform and language neutral interface that allows programs and scripts to dynamically access and updates the contents of the document?

  1. Input scalability

  2. RMAN pipe interface

  3. DOM interface

  4. DebuggerCallback interface

  5. Wireless telephony application
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This interface is a platform and language neutral interface that allows programs and scripts to dynamically access and update the contents of the document.

Multiple choice

What is Hot Java?

  1. Web browser from Sun Microsystem

  2. HTML Editor

  3. Java Editor

  4. Java Compiler
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

HotJava was an early web browser developed by Sun Microsystems, notable for being the first to support Java applets. It showcased the capabilities of the Java programming language in a web environment.