Which control is most effective in protecting against a brute force attack? Vulnerability scanner Discretionary access control Account expiration Firewall Complex passwords A system is being actively targeted by remote buffer overflow attacks Which tool would allow a technician to identify the targeted hosts? O Firewall Fuzzer o Vulnerability scanner ODLP O NIDS An administrator at a large data center works in an area that frequently experiences large thunderstorms and power oulages. The administrator has been assigned the task of evaluating critical systems to ensure their availability during these power outages Which physical security measure would first guarantee availability during the initial stages of a power outage? HVAC systems Battery backup o Power generator OOS backups