Technology Interview Questions And Answers - DoAnswers.com

Technologies are growing at the rate which we can't even think of. Each technology grows at its own pace. Catching up the technology is not a simple thing. We need to keep update ourself everyday to be upto date.

Databases Questions and Answers

A database is a collection of information that is organized so that it can easily be accessed, managed, and updated. In one view, databases can be classified according to types of content: bibliographic, full-text, numeric, and images. In computing, databases are sometimes classified according to their organizational approach. The most prevalent approach is the relational database, a tabular database in which data is defined so that it can be reorganized and accessed in a number of different ways. A distributed database is one that can be dispersed or replicated among different points in a network. An object-oriented programming database is one that is congruent with the data defined in object classes and subclasses. A database is a collection of information that is organized so that it can easily be accessed, managed, and updated. In one view, databases can be classified according to types of content: bibliographic, full-text, numeric, and images. The term database originated within the computer industry, though its meaning has been broadened by popular use, such that the European Database Directive (which creates intellectual property rights for databases) includes non-electronic databases within its definition. This article is confined to a more technical use of the term; though even amongst computing professionals, some attach a much wider meaning to the word than others. A possible definition is that a database is a collection of records stored in a computer in a systematic way, so that a computer program can consult it to answer questions. For better retrieval and sorting, each record is usually organized as a set of data elements (facts). The items retrieved in answer to queries become information that can be used to make decisions. The computer program used to manage and query a database is known as a database management system (DBMS). The properties and design of database systems are included in the study of information science.

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.NET Interview Questions and Answers

NET is the Microsoft Web services strategy to connect information, people, systems, and devices through software. Integrated across the Microsoft platform, .NET technology provides the ability to quickly build, deploy, manage, and use connected, security-enhanced solutions with Web services. .NET-connected solutions enable businesses to integrate their systems more rapidly and in a more agile manner and help them realize the promise of information anytime, anywhere, on any device. The Microsoft platform includes everything a business needs to develop and deploy a Web service-connected IT architecture: servers to host Web services, development tools to create them, applications to use them, and a worldwide network of more than 35,000 Microsoft Certified Partner organizations to provide any help you need.

.NET Interviews are getting tough these days as the technology grows faster. To get through the .NET interview one needs to update him/herself in a regular manner. Having said that, just before the interview, it is very important to have a quick glance of the reputed .NET questions and answers to make yourself comfortable during the interview process. This is where DoAnswers.com helps you in renewing yourself on .NET and various other technologies interview preparation.

J2EE Interview Questions and Answers

The Java 2 Enterprise Edition is a collection of related specifications and corresponding documentation that describe an enterprise-level computing architecture for the Java platform. J2EE containers, also known as application servers, such as JBoss, WebLogic, WebSphere, and others typically implement the penultimate (next-to-latest) version of the specification. ...Java 2 Platform, Enterprise Edition or J2EE is a programming platform for developing and running distributed multi-tier architecture applications, based largely on modular components running on an application server. The J2EE platform is defined by a specification. J2EE is also considered informally to be a language or standard because providers must agree to certain conformance requirements in order to declare their products as J2EE compliant; albeit with no ISO or ECMA standard.

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JAVA Interview Questions and Answers

Java is a programming language expressly designed for use in the distributed environment of the Internet. It was designed to have the "look and feel" of the C++ language, but it is simpler to use than C++ and enforces an object-oriented programming model. Java can be used to create complete applications that may run on a single computer or be distributed among servers and clients in a network. It can also be used to build a small application module or applet for use as part of a Web page. Applets make it possible for a Web page user to interact with the page. The major characteristics of Java are: The programs you create are portable in a networkThe code is robust.Java is object-oriented.In addition to being executed at the client rather than the server, a Java applet has other characteristics designed to make it run fast. Relative to C++, Java is easier to learn. (However, it is not a language you'll pick up in an evening!) Java was introduced by Sun Microsystems in 1995 and instantly created a new sense of the interactive possibilities of the Web. Both of the major Web browsers include a Java virtual machine. Almost all major operating system developers (IBM, Microsoft, and others) have added Java compilers as part of their product offerings. The Java virtual machine includes an optional just-in-time compiler that dynamically compiles bytecode into executable code as an alternative to interpreting one bytecode instruction at a time. In many cases, the dynamic JIT compilation is faster than the virtual machine interpretation.

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Java Application Server Interview Questions And Answers

Following the success of the Java platform, the term application server sometimes refers to a J2EE or Java EE 5 application server. Among the better known Java Enterprise Edition application servers are WebLogic Server (BEA), JBoss (Red Hat), WebSphere Application Server and WebSphere Application Server Community Edition (IBM), JRun (Adobe), Apache Geronimo (Apache Software Foundation), Oracle OC4J (Oracle Corporation), Sun Java System Application Server (Sun Microsystems), SAP Web Application Server and Glassfish Application Server (based on Sun Java System Application Server).

JOnAS application server was the first open source application server to have achieved official compliance with the Java Enterprise Specification. BEA delivered the first Java EE 5 certified application server followed by Sun Microsystems' reference implementation GlassFish.

The Web modules are servlets and JavaServer Pages, and business logic is built into Enterprise JavaBeans (EJB-3 and later). The Hibernate project offers an EJB-3 container implementation for the JBoss Application server. Tomcat from Apache and JOnAS from ObjectWeb are typical of containers into which these modules can be put.

A Java Server Page (JSP) is a servlet from Java that executes in a Web container�the Java equivalent of CGI scripts. JSPs are a way to create HTML pages by embedding References to the server logic within the page. HTML coders and Java programmers can work side by side by referencing each other's code from within their own. JavaBeans are the independent class components of the Java architecture from Sun Microsystems.

The application servers mentioned above mainly serve Web applications. Some application servers target networks other than the Web: Session Initiation Protocol servers, for instance, target telephony networks.

Mainframe Interview Questions and Answers

Mainframe is an industry term for a large computer, typically manufactured by a large company such as IBM for the commercial applications of Fortune 1000 businesses and other large-scale computing purposes. Historically, a mainframe is associated with centralized rather than distributed computing. Today, IBM refers to its larger processors as large servers and emphasizes that they can be used to serve distributed users and smaller servers in a computing network. A very large and expensive computer capable of supporting hundreds, or even thousands, of users simultaneously. In the hierarchy that starts with a simple microprocessor (in watches, for example) at the bottom and moves to supercomputers at the top, mainframes are just below supercomputers. In some ways, mainframes are more powerful than supercomputers because they support more simultaneous programs. But supercomputers can execute a single program faster than a mainframe. The distinction between small mainframes and minicomputers is vague, depending really on how the manufacturer wants to market its machines

Mainframes Interviews are getting tough these days as the technology grows faster. To get through the Mainframes interview one needs to update him/herself in a regular manner. Having said that, just before the interview, it is very important to have a quick glance of the reputed Mainframes questions and answers to make yourself comfortable during the interview process. This is where DoAnswers.com helps you in renewing yourself on Mainframes and various other technologies interview preparation.

Object Oriented Language Questions and Answers

An object-oriented programming language (also called an OO language) is one that allows or encourages, to some degree, object-oriented programming methods. Simula (1967) is generally accepted as the first language to have the primary features of an object-oriented language. It was created for making simulation programs, in which what came to be called objects were the most important information representation. Smalltalk (1972 to 1980) is arguably the canonical example, and the one with which much of the theory of object-oriented programming was developed. OO languages can be grouped into several broad classes, determined by the extent to which they support all features and functionality of object-orientation and objects: classes, methods, polymorphism, inheritance, and reusability. An object-oriented programming language (also called an OO language) is one that allows or encourages, to some degree, object-oriented programming methods. Simula (1967) is generally accepted as the first language to have the primary features of an object-oriented language. It was created for making simulation programs, in which what came to be called objects were the most important information representation. Smalltalk (1972 to 1980) is arguably the canonical example, and the one with which much of the theory of object-oriented programming was developed. OO languages can be grouped into several broad classes, determined by the extent to which they support all features and functionality of object-orientation and objects: classes, methods, polymorphism, inheritance, and reusability.

OOPS Interviews are getting tough these days as the technology grows faster. To get through the OOPS interview one needs to update him/herself in a regular manner. Having said that, just before the interview, it is very important to have a quick glance of the reputed OOPS questions and answers to make yourself comfortable during the interview process. This is where DoAnswers.com helps you in renewing yourself on OOPS and various other technologies interview preparation.

Operation Systems Interview Questions and Answers

An operating system (OS) is a software program that manages the hardware and software resources of a computer. A key component of system software, the OS performs basic tasks, such as controlling and allocating memory, prioritizing the processing of instructions, controlling input and output devices, facilitating networking, and managing files. Operating systems provide a software platform on top of which other programs, called application programs, can run. The application programs must be written to run on top of a particular operating system. Your choice of operating system, therefore, determines to a great extent the applications you can run. For PCs, the most popular operating systems are DOS, OS/2, and Windows, but others are available, such as Linux. As a user, you normally interact with the operating system through a set of commands. For example, the DOS operating system contains commands such as COPY and RENAME for copying files and changing the names of files, respectively. The commands are accepted and executed by a part of the operating system called the command processor or command line interpreter. Graphical user interfaces allow you to enter commands by pointing and clicking at objects that appear on the screen.

OS Interviews are getting tough these days as the technology grows faster. To get through the OS interview one needs to update him/herself in a regular manner. Having said that, just before the interview, it is very important to have a quick glance of the reputed OS questions and answers to make yourself comfortable during the interview process. This is where DoAnswers.com helps you in renewing yourself on OS and various other technologies interview preparation.

Scripting languages Interview Questions and Answers

Scripting languages (commonly called scripting programming languages or script languages) are computer programming languages created to shorten the traditional edit-compile-link-run process. The name comes from a written script such as a screenplay, where dialog is repeated verbatim for every performance. Early script languages were often called batch languages or job control languages. Scripting languages can be interpreted or compiled, but because interpreters are simpler to write than compilers, they are interpreted at least as often as they are compiled.

Scripting Language Interviews are getting tough these days as the technology grows faster. To get through the Scripting Language interview one needs to update him/herself in a regular manner. Having said that, just before the interview, it is very important to have a quick glance of the reputed Scripting Language questions and answers to make yourself comfortable during the interview process. This is where DoAnswers.com helps you in renewing yourself on Scripting Language and various other technologies interview preparation.

UserInterfaces Questions and Answers

The user interface is the aggregate of means by which people (the users) interact with a particular machine, device, computer program or other complex tool (the system). The user interface provides means of: Input, allowing the users to manipulate the system Output, allowing the system to produce the effects of the users' manipulationA graphical user interface (or GUI, often pronounced "gooey"), is a particular case of user interface for interacting with a computer which employs graphical images and widgets in addition to text to represent the information and actions available to the user. Usually the actions are performed through direct manipulation of the graphical elements

User Interface Interviews are getting tough these days as the technology grows faster. To get through the User Interface interview one needs to update him/herself in a regular manner. Having said that, just before the interview, it is very important to have a quick glance of the reputed User Interface questions and answers to make yourself comfortable during the interview process. This is where DoAnswers.com helps you in renewing yourself on User Interface and various other technologies interview preparation.

WEB Technologies Questions and Answers

A system of Internet servers that support specially formatted documents. The documents are formatted in a language called HTML (HyperText Markup Language) that supports links to other documents, as well as graphics, audio, and video files. This means you can jump from one document to another simply by clicking on hot spots. Not all Internet servers are part of the World Wide Web.

Web Techologies Interviews are getting tough these days as the technology grows faster. To get through the Web Techologies interview one needs to update him/herself in a regular manner. Having said that, just before the interview, it is very important to have a quick glance of the reputed Web Techologies questions and answers to make yourself comfortable during the interview process. This is where DoAnswers.com helps you in renewing yourself on Web Techologies and various other technologies interview preparation.

Interview Tips And Some Common Questions

The biggest mistake in interviewing is not being fully prepared. It behooves job-seekers to use every conceivable means possible to prepare for the interview and to allow ample time to fully prepare. Understand that interviewing is a skill; as with all skills, preparation and practice enhance the quality of that skill. Preparation can make the difference between getting an offer and getting rejected.

There is no one "best" way to prepare for an interview. Rather, there are specific and important strategies to enhance one's chances for interview success. Every interview is a learning experience, so learning that takes place during the preparation and actual interview process is useful for future interviews.

Initial preparation requires recent assessment of skills, interests, values, and accomplishments; a re-assessment and updating of one's resume; and research on the targeted company/organization and position. Preparation also includes actual practice of typical and targeted interview questions. Final preparation includes details of dress and appearance, knowledge of the location of the interview, what to expect, and protocols for follow-up.