VIP Exclusive
Xamarin Certified Mobile Developer VIP Practice Exam
Xamarin Certification — No current standardized Xamarin certification exam exists — Xamarin University (acquired by Microsoft) offered the 'Xamarin Certified Mobile Developer' credential until the program was discontinued in 2019; this is an original comprehensive practice set modeled on those course objectives and Microsoft's retired Exam 70-357 (Developing Mobile Apps) covering Xamarin.Forms, Xamarin.Android, and Xamarin.iOS development.
30
Questions
90m
Time Limit
70.00%
To Pass
Question 1 of 30👑 VIP
A developer is building a cross-platform Xamarin.Forms app that displays a scrollable list of product cards. Each card shows an image, product name, price, and a 'Buy Now' button. During testing on Android, the list scrolls smoothly, but on iOS the app stutters noticeably when rapidly flicking through 500+ items. The team is currently using a ListView with a custom ViewCell. Which change is MOST likely to resolve the iOS performance problem?
Questions 2–30 and full explanations are VIP-exclusive.