MetrixLine Interview Questions and Answers for Experienced

SQL and Query Structured are essential for a Test Engineer.

• Test Engineers use SQL to query databases and validate data.

• They use Query Structured Language to create and execute test cases.

• SQL and Query Structured are used to verify data integrity and functionality.

• Test Engineers must have a strong understanding of SQL and Query Structured Language.

Planning infocubes are used for planning and forecasting data, while remote infocubes are used for accessing data from a remote system.

• Planning infocubes are used for budgeting, forecasting, and planning data.

• Remote infocubes are used for accessing data from a remote system, such as a different SAP system.

• Remote infocubes can be used for reporting on data from multiple systems.

• Planning infocubes can be used for creatin...read more

A cell definition is a set of rules that define the structure and behavior of a cell in a spreadsheet.

• A cell definition includes the data type, formatting, and validation rules for a cell.

• It can also include formulas or functions that calculate values based on other cells.

• Cell definitions are used to ensure consistency and accuracy in spreadsheet data.

• Examples of cell definitions include setting a cell to only accept n...read more

RKF and CKF are two different types of filters used in Query Designer.

• RKF stands for Restricted Key Figure and is used to filter data based on a specific key figure.

• CKF stands for Calculated Key Figure and is used to create a new key figure based on existing ones.

• RKF can be used to filter data for a specific region or product, while CKF can be used to calculate profit margins or other metrics.

• Both RKF and CKF can be us...read more

React is a JavaScript library for building user interfaces.

• React is used for creating reusable UI components.

• It uses a virtual DOM for efficient rendering.

• React allows for declarative programming.

• It was developed by Facebook and is open source.

• React Native is a framework for building mobile apps using React.

Hooks are a feature in React that allow you to use state and other React features in functional components. Redux is a state management library for JavaScript applications.

• Hooks are functions that let you use React state and lifecycle features in functional components.

• Hooks provide a way to reuse stateful logic between components.

• Redux is a predictable state container for JavaScript apps.

• Redux helps manage the state of...read more

Class components are ES6 classes that extend the React.Component class, while functional components are just plain JavaScript functions.

• Class components are more feature-rich and have access to lifecycle methods.

• Functional components are simpler and easier to read and test.

• Class components can have state and use lifecycle methods like componentDidMount and componentDidUpdate.

• Functional components are stateless and do n...read more

ES5 is the older version of JavaScript, while ES6 is the newer version with added features and syntax improvements.

• ES6 introduced let and const for variable declaration.

• ES6 introduced arrow functions for shorter syntax.

• ES6 introduced classes for object-oriented programming.

• ES6 introduced template literals for easier string interpolation.

• ES6 introduced destructuring assignment for extracting values from objects and arra...read more

Yes, finally block will execute even if try and catch have return statement.

• The finally block is always executed regardless of whether an exception is thrown or not.

• The return statement in try or catch block will be executed before the finally block.

• Finally block is commonly used to release resources or perform cleanup operations.

The @Component annotation is a generic stereotype annotation that can be used in place of other annotations.

• The @Component annotation is a general-purpose annotation that can be used in place of @Service, @Controller, @Configuration, and @Repository annotations.

• However, using more specific annotations can help in better understanding the role of the annotated class.

• For example, using @Service annotation on a class that...read more

No, we cannot use == to compare enums.

• Enums are objects and == compares object references, not values.

• We should use .equals() method to compare enum values.

Agile Key Metrics are measurements used to track the progress and success of Agile projects.

• Agile Key Metrics include Velocity, Burn-Down Charts, Cycle Time, Lead Time, and Cumulative Flow Diagrams.

• Velocity measures the amount of work completed in a sprint.

• Burn-Down Charts track the remaining work in a sprint.

• Cycle Time measures the time it takes to complete a task.

• Lead Time measures the time it takes to deliver a feat...read more

Resource level metrics are measurements used to evaluate the efficiency and effectiveness of resources used in a project or organization.

• Resource level metrics help in identifying areas where resources can be optimized.

• Examples of resource level metrics include cost per unit, time to complete a task, and resource utilization rate.

• Resource level metrics can be used to improve decision-making and resource allocation.

• Thes...read more

To improve operations, focus on PSOP and KPIs, manage people franchise, operate in extreme conditions, and increase footfall.

• PSOP and KPIs are crucial for measuring and improving operational efficiency.

• To increase KPIs, set realistic targets, provide training and support to staff, and regularly review performance.

• To improve PSOP score, focus on customer service, cleanliness, and organization.

• Managing people franchise i...read more