Contizant Technologies Interview Questions and Answers

Dependency injection is a design pattern in which components are given their dependencies rather than creating them internally.

• Allows for easier testing by injecting mock dependencies

• Promotes loose coupling between components

• Improves code reusability and maintainability

• Commonly used in frameworks like Spring in Java

Hedge funds focus on short-term investments and use various strategies to generate high returns, while private equity firms invest in private companies with the goal of long-term growth and value creation.

• Hedge funds are typically more liquid than private equity investments

• Private equity firms usually take a more active role in managing the companies they invest in

• Hedge funds often use leverage to amplify returns,...read more

Discussed technical aspects of previous projects, focusing on technologies used and challenges faced.

• Utilized React for front-end development, enhancing user experience with dynamic components.

• Implemented RESTful APIs for seamless data communication between front-end and back-end.

• Faced challenges with database optimization, leading to a 30% increase in query performance after indexing.

• Collaborated with cross-funct...read more

PCA stands for Principal Component Analysis, a dimensionality reduction technique used in machine learning.

• PCA is used to transform a dataset into a lower-dimensional space while retaining most of the original information.

• It identifies the directions (principal components) in which the data varies the most.

• The first principal component captures the maximum variance in the data, followed by the second, and so on.

• PC...read more

Absolute xpath specifies the complete path from the root element to the desired element, while relative xpath specifies the path relative to the current element.

• Absolute xpath starts with a single forward slash (/) and is more specific.

• Relative xpath starts with a double forward slash (//) and is more flexible.

• Absolute xpath is more prone to breaking if the structure of the page changes.

• Relative xpath is easier to...read more

Orange is a warm color that is often associated with energy, enthusiasm, and creativity.

• Orange is a combination of red and yellow.

• It is the color of a ripe orange fruit.

• Orange is often used to represent warmth and positivity.

• It can be described as a vibrant and lively color.

• Orange is commonly seen in sunsets and autumn leaves.

Desktop Support Engineers troubleshoot and resolve hardware and software issues for users.

• Diagnose hardware issues, e.g., replacing a faulty hard drive.

• Resolve software problems, such as reinstalling an operating system.

• Provide user support via remote desktop tools, like TeamViewer.

• Manage network connectivity issues, e.g., troubleshooting Wi-Fi problems.

Spark is a distributed computing framework used for big data processing and analytics.

• Spark is an open-source framework developed by Apache Software Foundation.

• It is used for processing large datasets in a distributed computing environment.

• Spark provides APIs for programming in Java, Scala, Python, and R.

• It supports various data sources including Hadoop Distributed File System (HDFS), Cassandra, and Amazon S3.

• Spar...read more