which of the following situations might cause you to go back and update the steps in one of your use cases? a. the importance level is 'high' b. there are more than three major inputs to a step c. the primary actor is an external software system. d. the use case trigger is external e. the steps vary in size

Option c is correct. The primary actor is an external software system that might cause you to go back and update the steps in one of your use cases.External Software is any standalone, commercially available third-party software that is listed in a specific Attachment and is licensed to Customer under the terms and conditions of the third party.The term "External Software" refers to the stand-alone, commercially available software packages that are stated on the quote and that the relevant third-party software providers have granted the Customer a license to use in line with these Terms and Conditions. These third-party software providers are third-party beneficiaries of this license and have the authority to enforce these terms and conditions to the extent that they relate to external software.When we talk about external systems, we mean those that must be interconnected to and work with the hardware configuration that the software product is running on.To know more about Software click here:https://brainly.com/question/9174063#SPJ4