Gateway for Preparing Interviews
As a data analyst, you’ll often work with stakeholders who lack technical background and a deeper understanding of data and databases. Have you ever been in a situation like this and how did you handle this challenge? Data analysts often face the challenge of communicating findings to coworkers from different departments or senior management with … Read more
List the steps involved in Machine Learning. Data collection Data preparation Choosing an appropriate model Training the dataset Evaluation Parameter tuning Predictions What steps would you take to evaluate the effectiveness of your ML model? You have to first split the data set into training and test sets. You also have the option of using … Read more
What is MVC? MVC is an architectural model for building the .Net applications. It stands for Model View Controller. It is easy to use and offers full control over the HTML. What is HTTPhandler? HttpHandler is a low level request and response API which is made to service incoming Http request. Every incoming Http request … Read more
Which one would you prefer and why The Runnable interface is preferred, as it does not require your object to inherit a thread because when you need multiple inheritance, only interfaces can help you. In the above example we had to extend the Base class so implementing Runnable interface is an obvious choice. Also note how … Read more
How to join three tables in MySQL? Sometimes we need to fetch data from three or more tables. There are two types available to do these types of joins. Suppose we have three tables named Student, Marks, and Details. Let’s say Student has (stud_id, name) columns, Marks has (school_id, stud_id, scores) columns, and Details has … Read more
Do you have experience with Spark or big data tools for machine learning? You’ll want to get familiar with the meaning of big data for different companies and the different tools they’ll want. Spark is the big data tool most in demand now, able to handle immense datasets with speed. Be honest if you don’t … Read more
Why main() in java is declared as public static void main? What if the main method is declared as private? Public – main method is called by JVM to run the method which is outside the scope of project therefore the access specifier has to be public to permit call from anywhere outside the application … Read more
Which communication style do you prefer using in your projects? Type of communication you use in your project will completely depend on the type of project you are working on and the type of team you have. Types of communication styles that a project manager uses: Written Electronic Face-to-Face Responsive What does Scope management involve? … Read more
What is the Metadata? Metadata refers to the detailed information about the data system and its contents. It helps to define the type of data or information that will be sorted. Do you have any questions? At the close of the interview, most interviewers ask whether you have any questions about the job or company. It’s … Read more
What’s the difference between inductive, deductive, and abductive learning? Inductive learning describes smart algorithms that learn from a set of instances to draw conclusions. In statistical ML, k-nearest neighbor and support vector machine are good examples of inductive learning. There are three literals in (top-down) inductive learning: Arithmetic literals Equality and inequality Predicates In deductive … Read more