Senior Associate Technology L2 Interview Questions and Answers

Angular routing, component life cycle hooks, directives, guards are key features of Angular framework.

• Angular routing is used to navigate between different components and views in an Angular application.

• Component life cycle hooks are methods that are called at different stages of a component's life cycle, such as OnInit, OnDestroy, etc.

• Directives are used to add behavior to HTML elements, such as ngIf, ngFor, etc.

• Guards are used to protect routes in an Angular application, su...read more

I recently implemented the Observer pattern to enhance real-time data updates in a collaborative application.

• The Observer pattern allows objects to subscribe and receive updates from a subject, promoting loose coupling.

• In a collaborative document editor, multiple users can see real-time changes made by others, enhancing user experience.

• I chose this pattern to manage state changes efficiently without tightly coupling components, making the system more maintainable.

• For example,...read more

Accessibility refers to the design of products, devices, services, or environments for people with disabilities.

• ES6 introduced new concepts like let and const for variable declaration, arrow functions, template literals, destructuring, and classes.

• let and const are block-scoped variables, unlike var which is function-scoped.

• Arrow functions provide a shorter syntax for writing function expressions.

• Template literals allow for easier string interpolation and multiline strings.

• De...read more

To monitor k8s Prod instance, use monitoring tools like Prometheus, Grafana, and Kubernetes Dashboard.

• Use Prometheus to collect metrics from Kubernetes API server and nodes

• Visualize the collected data using Grafana dashboards

• Use Kubernetes Dashboard to monitor the health of the cluster and its resources

• Set up alerts to notify when certain thresholds are reached

• Monitor logs using tools like Fluentd or Elasticsearch

• Perform regular health checks and audits to ensure the cluster ...read more

OpenID is for authentication, OAuth is for authorization.

• OpenID is used to verify the identity of a user, while OAuth is used to grant access to resources.

• OpenID is often used for single sign-on (SSO) purposes, while OAuth is used for granting access to APIs.

• OpenID is based on the concept of identity providers (IDPs), while OAuth is based on the concept of authorization servers (AS).