Appsquadz Software Interview Questions, Process, and Tips

ER diagram is a visual representation of entities and their relationships in a database.

• ER stands for Entity-Relationship.

• It is used to design and model relational databases.

• Entities are represented as rectangles, relationships as diamonds, and attributes as ovals.

• Cardinality and participation constraints are also shown in the diagram.

• Example: A customer can place many orders, but an order can only belong to one custom

A flow chart is a graphical representation of a process or system, showing the steps as boxes and arrows.

• Flow charts are used to visualize and communicate complex processes or systems.

• Each box represents a step in the process, and the arrows show the flow of information or materials between the steps.

• Flow charts can be used in a variety of industries, including manufacturing, software development, and business analysis...read more

A business analyst is responsible for analyzing business processes and identifying areas for improvement.

• Gathers and analyzes data to identify business problems and opportunities

• Develops and recommends solutions to improve business processes

• Collaborates with stakeholders to understand business needs and requirements

• Creates and maintains documentation of business processes and requirements

• Facilitates communication betwe...read more

A business analyst should possess analytical skills, communication skills, problem-solving skills, and domain knowledge.

• Analytical skills to analyze data and identify trends

• Communication skills to effectively communicate with stakeholders

• Problem-solving skills to identify and solve business problems

• Domain knowledge to understand the business and industry

• Ability to prioritize tasks and manage time effectively

• Attention t...read more

Bug life cycle refers to the stages a bug goes through from discovery to resolution.

• Bug is discovered and reported

• Bug is assigned to a developer

• Developer reproduces the bug

• Developer fixes the bug

• Bug is retested and verified as fixed

• Bug is closed

Smoke testing is a preliminary testing technique to quickly evaluate the basic functionality of an application.

• Smoke testing is a type of software testing that focuses on testing the critical functionalities of an application.

• It is performed to ensure that the major features of the software are working as expected before proceeding with further testing.

• Smoke testing is usually done after a build is received and before ...read more

Regression testing is the process of testing changes made to a software application to ensure that existing functionality still works.

• It is performed after making changes to the software

• It ensures that existing functionality is not affected by the changes

• It helps to catch defects early in the development cycle

• It can be automated to save time and effort

• Examples include testing after bug fixes, new feature additions, and

Black box testing is based on external expectations while white box testing is based on internal workings.

• Black box testing focuses on the functionality of the system without knowledge of its internal workings.

• White box testing involves testing the internal workings of the system, including code and algorithms.

• Black box testing is typically done by end-users while white box testing is done by developers or testers.

• Exam...read more

Relative xpath is a type of xpath that starts from the current node and navigates to the desired element.

• Relative xpath is used to locate elements based on their relationship with other elements in the HTML structure.

• It is written using the '//' symbol and can be used to navigate up or down the HTML tree.

• For example, if we want to locate the 'Submit' button inside a form, we can use the relative xpath: //form//button[@

TestNG is a testing framework for Java applications.

• TestNG allows for easy creation and management of test cases.

• It supports various annotations for test configuration and execution.

• TestNG provides features like parallel test execution and data-driven testing.

• It can generate detailed test reports and integrate with build tools like Maven.

• Example: @Test annotation is used to mark a method as a test case.

Maven is a build automation tool and Hybrid Framework is a combination of Data Driven and Keyword Driven frameworks.

• Maven is used for building and managing Java-based projects

• It helps in managing dependencies and creating project structure

• Hybrid Framework combines the benefits of Data Driven and Keyword Driven frameworks

• It allows for reusability of code and easy maintenance

• Hybrid Framework uses data tables to store tes

SDLC stands for Software Development Life Cycle.

• It is a process followed by software development teams to design, develop and test high-quality software.

• It consists of several phases such as planning, analysis, design, implementation, testing, and maintenance.

• Each phase has its own set of deliverables and goals that must be achieved before moving on to the next phase.

• It helps in ensuring that the software is developed ...read more

SDLC has 6 phases: planning, analysis, design, implementation, testing, and maintenance.

• Planning: Define project scope, objectives, and requirements.

• Analysis: Gather and analyze user requirements.

• Design: Create a detailed design plan for the software.

• Implementation: Develop and code the software.

• Testing: Test the software for bugs and errors.

• Maintenance: Make updates and improvements to the software as needed.

To make an xpath for the 4th child node out of 5 children nodes with the same tag, use the position() function.

• Use the position() function in the xpath expression

• Add the index of the child node you want to test inside the position() function

• Example: //parentTag/childTag[position()=4]

Binding in WPF is a way to connect a UI element to a data source.

• It allows for automatic updating of UI elements when the data source changes.

• There are four types of binding modes: OneTime, OneWay, TwoWay, and OneWayToSource.

• Bindings can be set in XAML or in code-behind.

• Binding expressions can also be used to format data or perform calculations before displaying it in the UI.