Final answer:
Cortex XDR uses SSH and RDP to establish live terminal sessions to endpoints for threat detection and response.
Step-by-step explanation:
Cortex XDR by Palo Alto Networks is an advanced threat detection and response platform designed to provide broad visibility and secure endpoints against cyber threats. When it comes to establishing live terminal sessions to endpoints, Cortex XDR offers two methods for doing so. The options are a) SSH and RDP, b) VNC and SSH, c) Telnet and RDP, or d) RDP and VNC. The correct methods used by Cortex XDR for establishing live terminal sessions are SSH and RDP (Remote Desktop Protocol).