The following Alerts are configured by default and do not require and configuration:
Server Up / Down Alerts
URL Up / Down Alerts
IP Address Ping Up / Down Alerts
The Advanced Alerts need to be configured via the "Add Alert" menu.
Here is the list of Advanced Alerts that can be configured:
CPU / DISK / RAM Usage (%)
Disk Partition Usage
Disk I/O Wait and Operations
Bandwidth IN / OUT
Load Average
Disk SMART status