1Mediumgeneralโฑ 45sWhat is the purpose of the `async`/`await` keywords in C#?๐โผATo create new threads explicitlyBTo write asynchronous code that reads like synchronous code, using a state machine under the hood without blocking the calling threadCTo lock shared resourcesDTo force synchronous execution
2Mediumgeneralโฑ 45sWhat is the difference between IEnumerable<T> and IQueryable<T>?๐โผAThey are identicalBIEnumerable executes queries in memory; IQueryable can translate expressions to be executed by an external provider like a databaseCIQueryable is always slowerDIEnumerable cannot be used with LINQ