Rafiq is a research student. He is preparing a term paper on the functions of syslogs at a data networking centre. Which two of these statements can Rafiq consider to be correct with reference to syslogs?

A. can be established to aggregate logs from multiple network devices
B. can pick up real-time information on humidity levels in server enclosures
C. can pick up real-time information on temperature at the data center
D. can be configured to alert administrators, based on the alert’s severity level
E. can receive real-time information on voltage at specific network nodes