Final answer:
Accessing the CI Relationship Editor is typically done by navigating to the specific CI's details or properties page and looking for a way to manage the CI relationships, either through a Relationship Editor button or via a 'Relationships' or 'Related Items' tab.
Step-by-step explanation:
The question pertains to Configuration Item (CI) Relationship Editor in an IT Service Management tool or Configuration Management Database (CMDB). In most CMDB solutions, accessing the CI Relationship Editor can generally be achieved through several pathways. Option b) and c) are commonly found in many systems. Specifically, you can usually navigate to the specific CI's details or properties page, and within that page, locate a button or link to access the Relationship Editor as suggested in option b). Another common method, as outlined in option c), is to access the CI's properties where you may find a "Relationships" or "Related Items" tab that enables you to manage CI relationships using the Relationship Editor.
It is important to note that the pathways to access the CI Relationship Editor can vary depending on the specific software platform in use. Therefore, direct reference to the user manual or help resources provided by the specific CMDB software is advisable for detailed instructions tailored to the particular system.