单选题While executing a Cluster Test Plan， the administrators realize that they will need to email the Operations and network on-call staff in the event of a network outage. What can be done to alert the on-call staff of network failures？（）ACustomize clsta
题目
单选题
While executing a Cluster Test Plan， the administrators realize that they will need to email the Operations and network on-call staff in the event of a network outage. What can be done to alert the on-call staff of network failures？（）
A
Customize clstat to send a mail message.
B
Customize an Event Notification method.
C
Customize an Error Notification method.
D
Customize clinfo to send an SNMP trap.