Q20
Single choice
Refer to the exhibit.
An engineer is configuring a high-availability solution that has the hardware devices and software versions:
1. two Cisco Secure Firewall 9300 Security Appliances with FXOS SW 2.0(1.23)
2. one Cisco Secure Firewall Threat Defense with 6.0 1 1 (build 1023)
3. one Cisco Secure Firewall Management Center with SW 6 0.1.1 (build 1023)
Which condition must be met to complete the high-availability configuration?