Log messages may tell you about some events, either critical or not. To help you make sense of the importance of each message, IOS assigns each message a severity level.

Which of the following severity level means Informational message only?

(A) 1
(B) 6
(C) 4
(D) 5

6 is the correct answer.

Numeral	Description
0	Emergency: System unusable
1	Alert: Immediate action needed
2	Critical: Critical condition—default level
3	Error: Error condition
4	Warning: Warning condition
5	Notification: Normal but significant condition
6	Informational: Informational message only
7	Debugging: Appears during debugging only