- What does the Time Profiler do?
a) It shows you when memory leaks occur.
b) It shows you memory usage over time.
c) It shows you how much time is spent in certain methods.
- What does the Allocations instrument do?
a) It shows you your app's memory usage over time.
b) It shows you which objects reference another object.
c) It shows you how much time is spent in certain methods.
- Which of the following does not necessarily indicate a memory leak?
a) Growing memory in the memory graph.
b) Seeing instances of view controllers that were popped off the navigation stack.
c) When no memory is freed up after your app receives a memory warning.
- What does Xcode's memory debugger show you?
a) Corrupt addresses in memory.
b) The relationship between different objects that are in memory.
c) Deallocated objects.
- What is signpost logging?
a) A low-overhead log to measure your app's performance.
b) Logs that show the flow of your app.
c) Logs to discover memory leaks.
- Which elements does an Instruments Package have?
a) Metadata, a schema, and the instrument itself.
b) A schema, import statements for existing instruments, and a graph.
c) Signposts, tables, and a graph.