The Chief Information Officer (CIO) of a datacenter is concerned that transmissions from the building can be detected from the outside. Which of the following would resolve this concern? (Choose two.)
CE
reference Comptia official server +
The building's architecture may integrate other forms of security, including
reflective glass, structural designs that block wireless signals, deceptive signage
to camouflage the data center, and a lack of windows.
The building and property landscaping design are often tied to the physical security
aspects of the data center.
I am going with C&E. Signal blocking goes without saying. As for E (Reflective glass) it is noted that reflective glass (mirror glass, tined glass) heavily absorb wifi signals. Having these on the outside walls of the building would not that single down greatly.
I would say CE. It was a similar question on the CompTia Certmaster Practice Exam for Server+. Reflective Glass and SIgnal Blocking will prevent transmissions from being read outside of the building.
Signal Blocking
One technique that can be used to prevent data leakage through radio waves is to use signal blocking materials on walls and windows. This can prevent the reception of any wireless transmissions outside the facility. It is useful to know that by using a high-powered antenna (which is illegal) a hacker can be far away from your building and still receive these signals. While many building materials such as metal and concrete will provide limited protection, you can also use special paint on the walls that will block these signals.
Sometimes emissions coming from the servers themselves can disclose sensitive information. This issue can be addressed by placing the server inside enclosures that can block signals. One example is called a Faraday cage, which implements an outer barrier or coating called a Faraday shield.
Reflective Glass
In areas where sensitive operations are being performed or where sensitive discussions or planning may be taking place, you need to prevent prying eyes from seeing what's going on. When there are windows in the area of concern, you should use reflective glass to prevent the viewing of information that may be written on boards or displayed on screens.
Camouflage
Your datacenter should be located in an isolated area if possible and made indistinguishable from other industrial buildings. CPTED calls for using natural landscape elements for camouflage, such as dense trees or even a mountain range. Finally, a datacenter should be enclosed by a wall or metal fence that is difficult to pass through.
Let's start with the basics. What KIND of transmissions is the CIO referring to. It matters. A lot.
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