Aelum Consulting Servicenow Consultant Interview Questions and Answers

Recursion is a process in which a function calls itself. Inheritance is a mechanism in OOP where a class inherits properties of another class. Heap is a region of memory used for dynamic memory allocation.

• Recursion can be used to solve problems that can be broken down into smaller sub-problems.

• Inheritance allows for code reuse and helps in creating a hierarchy of classes.

• Heap is used for dynamic memory allocation in la...read more

Trees and Graphs are data structures used to represent relationships between objects. Trees are hierarchical while Graphs are non-hierarchical.

• Trees have a single root node while Graphs can have multiple starting points

• Trees have parent-child relationships while Graphs have edges connecting nodes

• Trees are used for hierarchical data like file systems while Graphs are used for non-hierarchical data like social networks

• Tr...read more

Data analytics is the process of examining and interpreting data to draw conclusions and make informed decisions.

• It involves collecting, cleaning, and organizing data

• Applying statistical and mathematical models to analyze data

• Visualizing and presenting data in a meaningful way

• Examples include predicting customer behavior, optimizing business operations, and identifying trends in healthcare data

Regression analysis is a statistical method used to determine the relationship between a dependent variable and one or more independent variables.

• It helps in predicting the value of the dependent variable based on the values of the independent variables.

• It is used in various fields such as finance, economics, social sciences, and engineering.

• Linear regression is the most common type of regression analysis.

• Examples incl...read more

Data analysis is the process of inspecting, cleaning, transforming, and modeling data while data analytics involves using statistical and computational methods to extract insights from data.

• Data analysis is focused on preparing and organizing data for analysis

• Data analytics involves using tools and techniques to extract insights from data

• Data analysis is a subset of data analytics

• Data analytics involves more complex an...read more

Infosys is a leading global technology services and consulting company with a strong reputation for innovation and client satisfaction.

• Infosys has a strong track record of delivering successful projects and solutions to clients

• The company has a culture of continuous learning and development, providing opportunities for growth

• Infosys is known for its focus on innovation and cutting-edge technologies

• The company has a glo...read more