VIP Exclusive
MEAN Stack Developer VIP Certification Exam — Series 3
MEAN — No single standardized MEAN Stack certification exam exists from an official issuing body; this is an original comprehensive practice set designed to mirror industry-standard full-stack developer assessments covering MongoDB, Express.js, Angular, and Node.js at an advanced professional level.
56
Questions
90m
Time Limit
75.00%
To Pass
Question 1 of 56👑 VIP
Your Angular application has a large list component that re-renders too frequently, causing performance issues. You suspect the default change detection is the culprit. You switch the component's changeDetection strategy to OnPush. After the change, the component's view no longer updates when a service pushes a new value to a plain object property. Which of the following best explains why and how to fix it?
Questions 2–56 and full explanations are VIP-exclusive.