Dozee Customer Support Associate Interview Questions and Answers

RNN stands for Recurrent Neural Network, a type of neural network designed to handle sequential data by maintaining a memory of previous inputs.

• RNNs have loops within their architecture, allowing information to persist.

• They are commonly used in natural language processing, speech recognition, and time series analysis.

• An example of RNN is predicting the next word in a sentence based on previous words.

Topic modeling is a technique used in natural language processing to discover the hidden thematic structure in a collection of texts.

• Topic modeling is a type of statistical modeling that allows for the discovery of hidden patterns in a collection of documents.

• It is often used in text mining to identify topics within a set of documents without the need for manual labeling.

• One popular algorithm for topic modeling is Late...read more

The project involves developing a new software application for data analysis.

• Developing a software application for data analysis

• Utilizing programming languages such as Python and R

• Implementing statistical models and algorithms

• Creating visualizations and reports for data interpretation

Check if a path exists between two nodes in a graph

• Use depth-first search (DFS) or breadth-first search (BFS) to traverse the graph

• Start from the source node and explore all connected nodes until the destination node is reached

• If the destination node is found during the traversal, return true; otherwise, return false

Store passwords securely using hashing algorithms and salt

• Use strong hashing algorithms like bcrypt or SHA-256

• Add a unique salt to each password before hashing

• Store only the hashed password in the database

• Regularly update hashing algorithms and salts for added security

In JavaScript, 'this' refers to the current object that is executing the current function.

• The value of 'this' is determined by how a function is called.

• When a function is called as a method of an object, 'this' refers to the object itself.

• When a function is called in the global scope, 'this' refers to the global object (window in a browser, global in Node.js).

• Arrow functions do not have their own 'this' value and inste...read more