Signitives IT Solutions Interview Questions, Process, and Tips

Singleton is a design pattern that restricts the instantiation of a class to one object.

• Ensures a class has only one instance and provides a global point of access to it.

• Commonly used in scenarios where a single object is required to coordinate actions across the system.

• Example: Database connection pool, Logger classes, Configuration settings.

State management is the process of managing and maintaining the state of an application, ensuring data consistency and synchronization.

• State management involves storing and updating the data that represents the current state of an application.

• It helps in ensuring that different parts of the application have access to the most up-to-date data.

• State management can be achieved using tools like Redux, MobX, or local state ...read more

Sum of odd numbers in a list

• Iterate through the list and check if each number is odd

• Add the odd numbers together to get the final sum

• Consider using a loop or list comprehension for efficiency

Middleware in Laravel acts as a bridge between a request and a response. It performs actions before and after a request is handled.

• Middleware can be used to authenticate users, verify input, or perform any other pre or post request processing

• Middleware is defined in the app/Http/Middleware directory

• Example: 'auth' middleware is used to ensure a user is authenticated before accessing a route

I have 2 years of experience working with Docker, creating and managing containers for development and production environments.

• Experience creating Dockerfiles to build custom images

• Familiarity with Docker Compose for managing multi-container applications

• Knowledge of Docker Swarm for orchestration

• Used Docker for local development environments and CI/CD pipelines

Singleton is a design pattern that restricts the instantiation of a class to one object.

• Singleton pattern ensures that a class has only one instance and provides a global point of access to it.

• Commonly used in scenarios where only a single instance of a class is needed, such as database connections or configuration settings.

• Implementation can involve a private constructor, a static method to access the instance, and a ...read more

I have extensive experience with GCP, focusing on cloud architecture, data storage, and machine learning services.

• Designed and deployed scalable applications using Google Kubernetes Engine (GKE).

• Utilized Google Cloud Storage for efficient data management and backup solutions.

• Implemented CI/CD pipelines using Cloud Build and Cloud Source Repositories.

• Leveraged BigQuery for data analytics, enabling real-time insights for...read more

I have extensive experience with Kubernetes, managing containerized applications and orchestrating deployments in cloud environments.

• Managed Kubernetes clusters on AWS using EKS, ensuring high availability and scalability.

• Implemented CI/CD pipelines with Jenkins and Helm for automated deployments.

• Configured monitoring and logging with Prometheus and Grafana to track application performance.

• Utilized Kubernetes namespace...read more