If a firewall only allows TCP/UPD traffic from ports under 25 and above 162, which of the following would be used for alerting purposes?

SNMP v3 sends traps on port 162, which is neither below 25 nor above 162 and is therefore blocked by this firewall rule.

SMTP uses port 25, which is not below 25 (the rule requires strictly under 25), so it is blocked by the firewall.

SNMP v1 uses port 161 for queries and port 162 for traps - both are outside the allowed range and blocked by the firewall.

Syslog uses UDP port 514, which is above 162 and therefore permitted through the firewall. It is a standard protocol for forwarding log and alert messages from network devices to a logging server, making it viable for alerting in this restricted environment.