Answer:
b. Sharing common data
c. Similarities in actors
e. Triggered by same events
Explanation:
When Designing Application Components the characteristics of use cases that are helpful to define component boundaries are sharing common data between the users. The second one is similarities in actors. Actors are the users which interact with the application. There should be similarities in the actors that are to be used the application. Last one is triggered by same events. Triggers are basically the events which cause the use case to begin.
