An information-system (IS) security mode of operation wherein each user with direct or indirect access to the system, its peripherals, remote terminals, or remote hosts, has all of the following: (a) a valid security clearance for all information within the system; (b) formal access approval and signed nondisclosure agreements for all the information stored and/or processed (including all compartments, sub compartments, and/or special access programs); and (c) a valid need-to-know for all information contained within the IS. When in the dedicated security mode, a system is specifically and exclusively dedicated to and controlled for the processing of one particular type or classification of information, either for full-time operation or for a specified period of time.

CCTV cameras fall under the category of physical surveillance. Answers a and b are forms of active surveillance. These types of surveillance require an organizational policy informing the employees that the surveillance is being conducted. Additionally, warning banners describing the surveillance at log-on to a computer or network should be prominently displayed. These banners usually state that by logging on, the user acknowledges the warning and agrees to the monitoring. Answer "Review of audit logs" is a passive form of computer/network surveillance.

When you consider top priority tickets for the data center, security, data protection, and power consumption rise to the top. But the one thing that every data center should have, that we often throw on the back burner, is fire protection. Right now, if you heard that your data center was engulfed in flames, you would likely sit in shock, especially if you were not equipped with the proper protection. Fortunately, you can avoid this reality by taking the proper steps to protect your data center.
Dave Admirand, chief data center engineer at PTS Data Center Solutions (www.ptsdcs.com), says in his own experience, electrical fires are the most common types of fires in data centers. He says, "These are typically caused by electronic equipment failures or failures of the branch circuits powering the data center equipment, including UPS and air-conditioning equipment-if located in the data center."
So what does the industry offer when it comes to fire detectors and extinguishing systems designed for the data center? According to Ziemba, there is a myriad of different smoke and heat detectors available, and some, he says, are so sophisticated that they can detect-and help extinguish-a fire even before it reaches the incipient, or flame, stage. He says, "Detectors that provide early warning capabilities are very effective in this type of situation. Addressable control panels serve as the brains for the overall fire suppression system in that they receive the signals from the detectors, provide some type of warning to the occupants, and then discharge the system."
The following Reference(s) were used for this question: http://xtralis.com/resources/article_level1/838/Processor_Editorial__Data_Center_Fire_Protection_January_5x_2007.pdf and http://www.interfire.org/features/electric_wiring_faults.asp

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