Which statement applies to a Cortex XSOAR engine that is part of a load-balancing group?

Which statement applies to a Cortex XSOAR engine that is part of a load-balancing group?

a. It does not appear in the engine drop-down menu when configuring an integration instance

b. It must be in a load-balancing group with at least three additional members

c. It can be used separately as an engine only if directly connected to the XSOAR server

d. It must have port 443 open to allow the XSOAR server to establish a connection

Answer: C