Technical Lead 1 Interview Questions and Answers

There are various companies that offer electronic components, PCB/hardware design, PCB manufacturing, and electrical & functional testing services.

• Digi-Key Electronics offers electronic components and PCB design services

• PCBWay provides PCB manufacturing and assembly services

• Keysight Technologies offers electrical and functional testing services

• Altium is a software company that offers PCB design tools

• Mouser Electronics offers electronic components and PCB design services

I performed event monitoring by setting up alerts and analyzing logs.

• Set up alerts for critical events using tools like Nagios, Zabbix, or Prometheus.

• Analyze logs using tools like ELK stack or Splunk to identify patterns and anomalies.

• Create dashboards to visualize event data and track performance metrics.

• Collaborate with stakeholders to determine which events are most important to monitor.

• Continuously refine monitoring strategy based on feedback and changing requirements.

Java is a high-level programming language known for its portability and versatility. Its architecture is based on the concept of platform independence.

• Java is an object-oriented language with a syntax similar to C++.

• Java programs are compiled into bytecode that can run on any Java Virtual Machine (JVM).

• The Java architecture includes the Java Development Kit (JDK), Java Runtime Environment (JRE), and JVM.

• Java applications are typically structured using classes and objects.

• Java...read more

SQL queries to find duplicates

• Use GROUP BY and HAVING clause to find duplicates

• Use COUNT() function to count the number of occurrences

• Use self-join to compare rows within the same table

• Use subquery to find duplicates in a specific column

A static class is a class that cannot be instantiated and is used to group related methods and properties together.

• Cannot be instantiated with the 'new' keyword

• Can only contain static members (methods, properties)

• Used for grouping related functionality together