Interview Questions and Answers for 'Ibm' | Search Interview Question

Interview Questions and Answers for 'Ibm' - 101 question(s) found - Order By Rating

Q1. What are various design frameworks for Banking profile ?

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Q2. What is the purpose of Spring inheritance ?

Spring

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Q3. What is the maximum limit of domain supported by Route 53 ?

Amazon Web Service (AWS)

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Q4. Difference between constructor and method ?

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Q5. Difference between spring and spring boot

Spring Framework

Ans. Spring is a Framework where we have to Build the Configurations Manually but Springboot have default configurations that allow faster bootstrapping. Spring Framework requires a number of dependencies to create a web app. Spring Boot, on the other hand, can get an application working with just one dependency.

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Q6. Write an algorithm for square root of a given number.

Core Java

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Q7. Implement a queue, using only stacks

Data Structure

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Q8. What is your daily work schedule ?

General

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Q9. Tell something about Sleep method.

Core Java

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Q10. What is the difference between save() and persist() in hibernate ?

Hibernate

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Q11. Can we change return type of Overridden method ?

Core Java

Ans. Yes, we can change return type of overridden method in child class but child's return type should be sub-type of parent's return type.

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Q12. Mention the implicit objects in jsp

JSP

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Q13. How to consume services using Restful web services?

Web Service

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Q14. What is the use of put() method in Restful webservices ?

Web Service

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Q15. What is the use of Log4j ?

Logging

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Q16. What are micro services ?

Web Service

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Q17. What are different types of dependency injections ?

Design

Ans. Setter injection
Constructor injection
Interface injection
Look-up method/method injection

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Q18. What is abstraction ?

Design

Ans. Abstraction is a process of hiding the implementation details and describing only the functionality to the user.

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Q19. Explain Java 8 concurrency mechanism.

Core Java

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Q20. Explain OOPs

or

Explain OOPs Principles

or

Explain OOPs Concepts

or

Explain OOPs features

or

Tell me something about OOPs

Core Java

Ans. OOPs or Object Oriented Programming is a Programming model which is organized around Objects instead of processes. Instead of a process calling series of processes, this model stresses on communication between objects. Objects that all self sustained, provide security by encapsulating it's members and providing abstracted interfaces over the functions it performs. OOP's facilitate the following features

1. Inheritance for Code Reuse
2. Abstraction for modularity, maintenance and agility
3. Encapsulation for security and protection
4. Polymorphism for flexibility and interfacing

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Q21. What are the changes in Java 9 ?

Core Java

Ans. JVM and JDK are getting smaller.

New command line tool called jshell that will add native support and popularize a Java way to REPL (Read-Eval-Print-Loop)

private methods in interfaces

Introduction of the module system or project Jigsaw

JavaDoc Search

Light version of JSON API

HTTP2 client

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Q22. What is acugload?

IBM WCS

Ans. acugload is the utility to load the user access group in the appropriate database.

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Q23. What are the tag libraries used in WCS ?

IBM WCS

Ans. Core tags, sql , xml and fmt tags.

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Q24. Is it necessary to register controller command in CMDREG table ?

IBM WCS

Ans. It is not necessary to enter data in the CMDREG table, but an entry should be made in the struts-config.xml. The controller command can be registered in the CMDREG table by xml and SQL query.

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Q25. Describe Catalog subsystem and the tables used in WCS for managing this ?

IBM WCS

Ans. The catalog subsystem or Catalog Management provides online catalog navigation, partitioning, categorization, and associations. In addition, the catalog subsystem includes support for personalized interest lists and custom catalog display pages. The catalog subsystem contains all logic and data relevant to an online catalog, including catalog groups (or categories), catalog entries, and any associations or relationships among them.

Tables used for Catalog subsystem

1. CATENTRY
2. CATENTREL

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Q26. Describe Marketing subsystem and What WCS components are part of this system ?

IBM WCS

Ans. The Marketing subsystem is a component of the WebSphere Commerce Server, and provides numerous marketing concepts to your site, designed to increase brand awareness, and to attract and retain customers. Components of the marketing subsystem provide functionality to create marketing campaigns, including customer segments and advertising; and e-mail activities.

Various components are -

1. Promotions
2. Auctions
3. eSpots
4. e Mail Campaigns
5. Hubs and Extended sites for affiliates

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Q27. What are the benefits of Smart bean ?

IBM WCS

Ans. A smart data bean uses a lazy fetch method to retrieve its own data. This type of data bean can provide better performance in situations where not all data from the access bean is required, since it retrieves data only as required.

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Q28. What is a retriable command ?

IBM WCS

Ans. A retriable command is a controller command that can re-execute itself after encountering a system-level exception during the command execution.

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Q29. What is SAR file ?

IBM WCS

Ans. Its the Store Archive that holds the store Assets in the compressed form.

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Q30. Whats is a starter store ?

IBM WCS

Ans. Its the default store that comes in built with WCS.

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