Final answer:
The specific number of supported versions of CylancePROTECT Agents is not provided. For up-to-date information, contact Cylance or BlackBerry customer support or refer to their official documentation.
Step-by-step explanation:
The number of versions of the CylancePROTECT Agents that are supported varies as the company periodically updates software and phases out support for older versions. Typically, software companies like Cylance support multiple versions to allow customers time to plan and implement updates. However, without access to specific and current information from Cylance's official resources, it is not possible to state an exact number of supported versions of CylancePROTECT Agents. For the most accurate and updated information, it is recommended to directly consult the official Cylance or BlackBerry documentation or customer support service.