Free practice · multiple-choice · medium

Practice

Select supported category facts

All red-label files are archived. Some archived files are encrypted. Which statements are guaranteed? Select all that apply.

Category relationship map

Membership, overlap, and exclusion change the count

Membership

MemberInside
ExcludedOutside

Relationship

SubsetFully contained
OverlapShared members

Reconcile

UniqueA + B − overlap

Define each set before placing stable record identities, then reconcile overlap members exactly once in the unique total.

Choose all that apply