Interview Questions

Q:

Why interface data is final?

Answer

bcoz interface does not contains any initializers and constructors to initialize its data members.

Report Error

View answer Workspace Report Error Discuss

Subject: Java

0 2313
Q:

What are the reasons for slow loading of the web page?

Answer

- The web pages that are loading slowly might be using heavy scripts or might be getting loaded on an overloaded server. 


- If the content like flash is used then the web page performs really slowly in comparison to the normal pages that get created. 


- If the caching is inactive on the web browsers and the same web page is getting loaded again and again then the performance get degraded.


- Web pages load slowly due to the content on that page as if it is text it loads faster then the site that is made up of large photographs. 


- It takes longer time for a picture to get rendered and the transmission time also remains higher then the text.

Report Error

View answer Workspace Report Error Discuss

Subject: Web Technology

0 2313
Q:

What is Monkey testing?

Answer

Monkey testing is a type of Black Box Testing used mostly at the Unit Level. In this tester enter the data in any format and check the software is not crashing. In this testing we use Smart monkey and Dumb monkey.


- Smart monkeys are used for load and stress testing, they will help in finding the bugs. They are very expensive to develop.


- Dumb monkey, they are important for basic testing. They help in finding those bugs which are having high severity. Dumb monkey are less expensive as compare to Smart monkeys.


Example: In phone number filed Symbols are entered.

Report Error

View answer Workspace Report Error Discuss

Subject: QA Testing

0 2311
Q:

What does coalescing a tablespace do?

Answer

Coalescing is only valid for dictionary-managed tablespaces and de-fragments space by combining neighboring free extents into large single extents.

Report Error

View answer Workspace Report Error Discuss

3 2311
Q:

What is the concept of Application Cache in HTML5? What are its advantages?

Answer

The Application Cache concept introduced by HTML5 means that a web application is cached, and accessible without an internet connection.


There are three advantages of Application Cache:


1.Offline browsing - users can use the application when they're offline


2.Speed - cached resources load faster


3.Reduced server load - the browser will only download updated/changed resources from the server

Report Error

View answer Workspace Report Error Discuss

Subject: Web Technology

0 2310
Q:

What are presentation, application and database servers in SAP R/3?

Answer

The application layer of an R/3 System is made up of the application servers and the message server. Application programs in an R/3 System are run on application servers. The application servers communicate with the presentation components, the database, and also with each other, using the message server. All the data are stored in a centralized server. This server is called database server.

Report Error

View answer Workspace Report Error Discuss

Subject: SAP

0 2308
Q:

Name any three PL/SQL exceptions?

Answer

Too_many_rows.


No_Data_Found.


Zero_Error.


 

Report Error

View answer Workspace Report Error Discuss

Subject: SQL

0 2308
Q:

How many types of Inheritances used in php and how we achieve it?

Answer

As far PHP concern it only support single Inheritance in scripting. we can also use interface to achieve multiple inheritance.

Report Error

View answer Workspace Report Error Discuss

Subject: PHP

0 2308