Question: 21
(Choose 1 answer)
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?
A. It allows "Request a Chemical" to function independently without any alternative flows.
B. It integrates "Search Vendor Catalogs" into the normal flow of "Request a Chemical."
C. It provides an optional alternative flow for requesting chemicals from a vendor.
D. It duplicates the steps of "Search Vendor Catalogs" within "Request a Chemical."
Request a
Chemical
<<extend >>
Search Vendor
Catalogs
