Understand how computers and systems operate at a fundamental level.

• How computers work

• Numeric systems (binary, hex, decimal)

• How memory and CPU work

  • Reference: pwn.college

• High-level understanding of machine code

Answer: All APIs of Node.js library are aynchronous that is non-blocking. It essentially means a Node.js based server never waits for a API to return data. Server moves to next API after calling it and a notification mechanism of Events of Node.js helps server to get response from the previous API call.

Source: tutorialspoint.com

Some questions about frontend development that might be in your next job interview. The questions were formulated by @mauvieira, a super senior fullstack developer

• What are the strategies we can use to optimize the performance of web applications?

  • CDNs, GraphQL (maybe) to reduce overfetching, improve backend performance, use SSR and/or SSG, lazy loading for loading assets only when it's needed, minimize and compress HTML, CSS and JS files, and optimize images by compressing and resizing them.

• What are Web Vitals (LCP, FID, CLS)? And how are they applied in the real world?

• Ally's GCP Quiz
• GCP Certification Quiz
• Google Developers Codelabs
• Cloudreach Blog - Passing the exam after an initial failure
• GCP Enterprise Best Practices
• GCP Designing a Disaster Recovery Plan
• GCP Example Solutions
• Mobile Gaming Analysis Telemetry

The git command-line utility has plenty of inconsistencies http://steveko.wordpress.com/2012/02/24/10-things-i-hate-about-git/

A GUI like http://sourcetreeapp.com is often helpful, but staying on the command line usually quicker. This is a list of the commands I use most frequently, listed by functional category:

git status list which (unstaged) files have changed