Tag: technology

Quizzes (307) Questions (36705)

Questions Related to technology

Multiple choice technology web technology

An existing J2EE 1.3 application provides online stock quotes to the users. The web page refreshes every 60 seconds to show the latest stock prices. Customer is planning to add some minor features to this site and requested you for tips to improve the current features with minimal costs. Which of the following would you recommend? Choose one answer.

  1. Recode the application using JSF, EJB and Entities. This will improve the overall performance of the application and also improves maintainability

  2. Replace the auto-refresh functionality with AJAX code.

  3. Recode the application using JSF, EJB and Web Services.

  4. Use frames and put the auto-refresh part in a different frame.
Reveal answer Fill a bubble to check yourself
B Correct answer
Full explanation
Multiple choice technology web technology

ABC Bank provides facility to transfer amounts from one account to another through its internet banking application. It also provides facilities for its consumer clients to upload payments in one-go through a file upload facility. File upload is a very resource-intensive operation which may take 3-10 minutes. Currently on submitting the file it displays an alert message and processes the request. Often the browser times out. What would be your suggestion to improve this situation at minimal cost? Choose one answer.

  1. Remove the file upload feature from Internet Banking application

  2. Limit the no. of payments in upload files to minimum so that the overall request does not take more than 1 minute. Encourage customer to break the files and upload multiple times.

  3. Use AJAX to display progress bar displaying the % complete figures.

  4. Use JSF to reduce the processing times.
Reveal answer Fill a bubble to check yourself
C Correct answer
Full explanation
Multiple choice technology web technology

You are writing a web based utility that searches for existing web services provided by large companies. Your website searches these webservice, displays list and provides features through a very nice GUI to execute these webservices. In future, this utility can be enhanced to perform similar functionality for other enterprise services and need to be UI-rich. Which of the following APIs would you use for searching XML registries? Choose one answer.

  1. StaX

  2. JAXP

  3. JAXB

  4. JAXR
Reveal answer Fill a bubble to check yourself
D Correct answer
Full explanation
Multiple choice technology web technology

Your company is responsible for storing the credit history of citizens of ABC country. The government proposes that all financial institutions before lending must ensure that the candidate has a minimum credit score. Which of the following would you choose to build this service? Choose one answer.

  1. Build the service as a EJB

  2. Build the service as a web service

  3. Build the service as an IIOP Object.

  4. Implement it as a JMS based service.
Reveal answer Fill a bubble to check yourself
B Correct answer
Full explanation
Multiple choice technology web technology

ABC company has a very old web application that was built on Servlets, JSP and a simple proprietary MVC framework which they must use. This application is mostly used for reporting purposes and retrieves data from DB2 through JDBC. They are planning to enhance the functionality of the application and also deploy on a Java EE application server. They approached you for suggestions to improve the application code. Which of the following would not be a valid recommendation (best-fit)? Choose one answer.

  1. Refactor the common scriptlet code into tag libraries wherever possible

  2. Create a common look & feel using templates, CSS files.

  3. Use Entities

  4. Use Expression Language
Reveal answer Fill a bubble to check yourself
C Correct answer
Full explanation
Multiple choice technology web technology

ABC Company has decided to migrate existing J2EE application built using servlets, JSP, JMS, session & entity Beans to Java EE. They have approached you for recommendations. Which of the following are valid recommendations? Select two choices. Choose at least one answer.

  1. Replace entity beans with JPA entity classes

  2. Use the new JMS API

  3. Replace session Beans with web services

  4. Use JCA
Reveal answer Fill a bubble to check yourself
A,B Correct answer
Full explanation
Multiple choice technology web technology

You are architecting a new web based labor claim management application. Currently the users have a Java Swing-based application running on their local PCs, and you want to implement the new web-based solution with a GUI that is similar to their desktop application. Once the users have filled in their hours then you must send the details to central labour system through a Web service. What of the following technologies would be required for building this application? (Choose two.) Choose at least one answer.

  1. JAX-WS

  2. JMS

  3. JSSE

  4. JCE

  5. JSF
Reveal answer Fill a bubble to check yourself
A,E Correct answer
Full explanation