What is the purpose of theengine.

The propertyengine.ssl.protocolsinrun.propertiesspecifies the TLS protocol versions that PingAccess engines will support for incoming HTTPS traffic.

Exact Extract:

“Theengine.ssl.protocolsproperty configures which TLS versions are enabled for HTTPS listeners.”

Option A (ciphers)is incorrect — cipher suites are defined separately, not in this property.

Option B (HTTPS port)is incorrect — the port is defined in the engine listener, not here.

Option C (TLS versions)is correct — this property controls TLS version support (e.g., TLSv1.2, TLSv1.3).

Option D (clustering)is incorrect — clustering does not depend on this property.