Which of the following is an incorrect characteristic of a smoke-activated detector?

When clean power is being provided, the power supply contains no interference or voltage fluctuation. The possible types of interference (line noise) are electromagnetic interference (EMI) or radio frequency interference (RFI), which is disturbance to the flow of electric power while it travels across a power line. Which of the following is true when it comes to EMI and RFI?

An uninterrupted power supply (UPS) can be online or standby. Which of the following is a true statement about one of these types?

The following list provides many of the protection mechanisms that can be used to protect laptops and the data they hold. Which of the following is the most important?

i. Inventory all laptops, including serial numbers so they can be properly identified if recovered.
ii. Harden the operating system.
iii. Password protect the BIOS.
iv. Do not check a laptop as luggage when flying.
v. Never leave a laptop unattended, and carry it in a nondescript carrying case.
vi. Engrave the laptop with a symbol or number for proper identification.
vii. Use a slot lock with a cable to connect a laptop to a stationary object.
viii. Encrypt all sensitive data.

It is best if the data center is on a different electrical system than the rest of the building. Thus, if anything negatively affects the main building’s power, it will not carry over and affect the center. Which of the following is untrue when it comes to electrical systems for a data center?

Water can cause extensive damage to equipment, flooring, walls, computers, and facility foundations. It is important that an organization be able to detect leaks and unwanted water. Which of the following is untrue when it comes to water detectors?

Because data centers usually hold expensive equipment and the company’s critical data, their protection should be thoroughly thought out before implementation. Which of the following is the least critical component when constructing a data center?

i. The vents and ducts from the HVAC system should be protected with some type of barrier bars and should be too small for anyone to crawl through and gain access to the center.
ii. The data center must have positive air pressure, so no contaminants can be sucked into the room and into the computers’ fans.
iii. Data centers should not be located on the top floors because it would be more difficult for an emergency crew to access it in a timely fashion in case of a fire.
iv. Data centers should not be located in basements where flooding can affect the systems.

Doorways with automatic locks can be configured to be fail-secure or fail-safe. Which of the following best describes the difference of the two?

Mary has ensured that the external doors of her company’s facility uses nonhollow doors to provide the most protection. Two months after the building is finished being built she found out that an intruder entered the facility through this door. Which of the following most likely took place?

Which of the following is untrue pertaining to facility construction characteristics?

i. Calculations of approximate penetration times for different types of explosives and attacks are based on the thickness of the concrete walls and the gauge of rebar used.
ii. Using thicker rebar and properly placing it within the concrete provides increased protection.
iii. Reinforced walls, rebar, and the use of double walls can be used as delaying mechanisms.
iv. Steel rods encased in concrete is referred to as rebar.