Coforge Senior Technical Specialist Interview Questions and Answers

IntArray & array are similar in Kotlin, Reflection is used to inspect and modify classes at runtime, jvmStatic and Jvmoverload are annotations in Kotlin, deeplink is a way to navigate to a specific page in an app, Launch modes determine how a new instance of an activity is associated with the current task

• IntArray & array are used to define arrays in Kotlin, with IntArray being a specific type of array containing intege...read more

Our production support model emphasizes proactive monitoring, incident management, and continuous improvement to ensure system reliability.

• Proactive Monitoring: We utilize tools like Nagios and Grafana to monitor system performance and detect issues before they impact users.

• Incident Management: We follow ITIL best practices for incident management, ensuring quick resolution of issues and minimizing downtime.

• On-Call Rot...read more

Production incident handling involves identification, assessment, resolution, and post-incident review to minimize impact and prevent recurrence.

• Incident Identification: Quickly detect incidents through monitoring tools or user reports. For example, using alerts from a logging system.

• Assessment and Prioritization: Evaluate the severity and impact of the incident to prioritize response. For instance, a critical system o...read more

SLIs are crucial metrics for monitoring service performance and reliability, ensuring optimal user experience and system health.

• Availability: Measures the uptime of a service, e.g., ensuring a web application is accessible 99.9% of the time.

• Latency: Tracks the response time of requests, e.g., monitoring API response times to ensure they are under 200ms.

• Error Rate: Monitors the percentage of failed requests, e.g., keepi...read more

AppDynamics and Dynatrace are both application performance management tools, but they differ in features and focus areas.

• Focus Areas: AppDynamics is known for its deep application performance monitoring, while Dynatrace emphasizes full-stack observability, including infrastructure.

• User Experience Monitoring: AppDynamics offers robust end-user monitoring capabilities, whereas Dynatrace provides real user monitoring with...read more

Monitoring application availability involves tracking uptime, performance, and user experience to ensure seamless operation.

• Uptime Monitoring: Use tools like Pingdom or UptimeRobot to check if the application is accessible from various locations.

• Performance Monitoring: Implement APM tools like New Relic or AppDynamics to track response times and identify bottlenecks.

• User Experience Monitoring: Utilize real user monitor...read more

Response time measures how quickly a system or application responds to a request, crucial for performance evaluation.

• Define Response Time: It is the duration from when a request is made until the first byte of the response is received.

• Measurement Tools: Use tools like Postman or JMeter to simulate requests and measure response times for APIs.

• Real User Monitoring: Implement tools like Google Analytics or New Relic to tr...read more