18 real Loading Strategies questions from the EF Core bank, as asked in Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd — free to start.
1. What is eager loading?
Junior
A.fetching related data automatically on first access to a navigation, requiring proxies and risking many small extra queries
B.pulling related data in the same query using Include so navigations are populated up front
C.the operator that continues eager loading into a navigation of an already-included related entity
D.the inefficiency where iterating a parent list issues one extra query per item to fetch its related rows, often caused by lazy loading
A.explicit loading — manually triggering retrieval of a related navigation after the parent is loaded, via Entry with Reference or Collection
B.explicit loading — the operator that continues eager loading into a navigation of an already-included related entity
C.explicit loading — fetching related data automatically on first access to a navigation, requiring proxies and risking many small extra queries
D.explicit loading — the inefficiency where iterating a parent list issues one extra query per item to fetch its related rows, often caused by lazy loading
11. Which term means: "the inefficiency where iterating a parent list issues one extra query per item to fetch its related rows, often caused by lazy loading"?
A.filtered include — fetching related data automatically on first access to a navigation, requiring proxies and risking many small extra queries
B.filtered include — the inefficiency where iterating a parent list issues one extra query per item to fetch its related rows, often caused by lazy loading
C.filtered include — the operator that continues eager loading into a navigation of an already-included related entity
D.filtered include — the ability to apply Where and ordering inside an Include so only a subset of related rows is loaded
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