Infosys Interview Question

Question asked in interview Infosys ---------------- 1.Difficulties faced while Angular upgradation 2.Data sharing in angular ngRx 3.TS config file with syntax and compilerOption 4.Bundling in JavaScript(Webpacks) 5.Life cycle in angular Optimisation (Lazy loading) 6.Authentication (interceptors and guards) 7.Subjects in Angular and its uses 8.Native element ElementRef and Render