Which of these is a suspect user agent？（）

A. the credentials of a privileged account on the Active directory server
B. the credentials of any account on the Active directory server
C. the credentials of the account （created by the S-Series） on the Active directory server when the domain is joined
D. the S-Series administrative account

A. HTTPS Proxy
B. Data Security
C. L4TM
D. Web Reputation filtering

A. heuristic scanning cannot detect new malware with an unknown signature
B. heuristic scanning requires a separate license key
C. heuristic scanning increases the probability of false positives
D. heuristic scanning increases the probability of false negatives