SWR302Xuất hiện trong 1 đề thi
Consider the use case diagram for the Chemical Tracking System. How does the “extend” relationship between “Request a Chemical” and “Search Vendor Catalogs” affect the system’s functionality?
Các lựa chọn
AIt allows “Request a Chemical” to function independently without any alternative flows.
BIt integrates “Search Vendor Catalogs” into the normal flow of “Request a Chemical.”
CIt provides an optional alternative flow for requesting chemicals from a vendor.
DIt duplicates the steps of “Search Vendor Catalogs” within “Request a Chemical.”