Tag: web technology

Questions Related to web technology

An existing J2EE application is hosted on 4 WebServers and 3 Application Servers. Due to increase in the no. of users, it has been planned to increase the count to 5 Web Servers and 4 Application Servers. Which of the following is negatively impacted? Choose one answer.

technology web technology

  1. Availability

  2. Performance

  3. Manageability

  4. Maintainability

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Correct Option: C

You have been recruited by MegaSoft Inc. to help on a new sales project. Your role within the project team is as the lead architect. Given the requirements set out below, what type of transaction management should you use? MegaSoft Inc. is launching worldwide sports betting site. The unique feature of this betting site is that all bets are spread across multiple sporting events with huge potential prizes. For example, a user may bet $25 on Manchester United beating Real Madrid 4-0, Brazil winning the world cup,and Australia winning the cricket world cup. If a user gets three or more bets correct and one wrong then they will take home a 50% cut of the original stake. Choose one answer.
technology web technology

  1. Container Managed Transactions

  2. Bean Managed Transactions

  3. Container Transactions

  4. Bean Transactions

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Correct Option: B

Which J2EE technology would you use to replace Perl/PHP scripts in the solution described below? MegaSoft Inc. has a web-based legacy business-to-business sales system. The solution consists of Perl and PHP scripts (presentation and business logic) and a MSSQL database. Customers logon to the site, browse for the latest products and prices, and place orders with MegaSoft. Choose one answer.

technology web technology

  1. Applets

  2. JSP

  3. JSP/Servlets

  4. JSP/Servlets and EJBs

  5. You would never replace PHP scripts with a J2EE technology

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Correct Option: D

Which of the following describes UDDI? Choose one answer.

technology web technology

  1. It is a fundamental

  2. It is a platform-independent, XML-based registry for businesses worldwide to be listed on the Internet.

  3. It is a bidirectional pull parser interface for streaming XML processing.

  4. It provides a convenient way to bind an XML schema to a representation in Java code.

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Correct Option: B

Your company has acquired ABC Company and will be building infrastructure for the merged entity. Now, You have a variety of mainframe applications, client server applications, and standalone programs that need to be integrated. Which of the following will provide a unified platform for scalable, secure SOA development? Choose one answer.
technology web technology

  1. JAXB

  2. JAXR

  3. Enterprise Service Bus

  4. Simple Object Access Protocol

  5. REST

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Correct Option: C

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.
technology web technology

  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.

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Correct Option: B

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.
technology web technology

  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.

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Correct Option: C

Which of the following technologies can be used to describe RESTful Webservices? Choose one answer.
technology web technology

  1. WSDL

  2. ebXML

  3. UDDI

  4. None of the above.

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Correct Option: D

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.
technology web technology

  1. StaX

  2. JAXP

  3. JAXB

  4. JAXR

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Correct Option: D

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.
technology web technology

  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.

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Correct Option: B