In discretionary access control, who/what has delegation authority to grant
access to data?

CCTV lenses have irises, which control the amount of light that enters the lens. Which of the following has an incorrect characteristic of the types of CCTV irises that are available?

i. Automated iris lenses have a ring around the CCTV lens that can be manually turned and controlled.
ii. A lens with a manual iris would be used in areas that have fixed lighting, since the iris cannot self-adjust to changes of light.
iii. An auto iris lens should be used in environments where the light changes, as in an outdoor setting.
iv. As the environment brightens, this is sensed by the manual iris, which automatically adjusts itself.

The __________ of a CCTV lens defines its effectiveness in viewing objects from a horizontal and vertical view. The focal length value relates to the angle of view that can be achieved. ________focal length lenses provide wider-angle views, while _______ focal length lenses provide a narrower view.

___________________ takes place when an IDS detects suspicious activities and turns on the lights within a specific area. When this type of technology is plugged into automated IDS products, there is a high likelihood of false alarms. Instead of continuously having to dispatch a security guard to check out these issues, a CCTV camera can be installed to scan the area for intruders.

If a company has an open parking lot, then light poles must be positioned within the correct distance of each other to eliminate any dead spots. If the lamps that will be used provide a 30-foot radius of illumination, then the light poles should be erected less than _____feet apart so there is an overlap between the areas of illumination.

The barbed wire on top of fences can be tilted in or out at a 45 degree angle, which provides extra protection for the perimeter. If the organization is a prison, it would have the barbed wire on top of the fencing pointed __________, which makes it harder for prisoners to climb and escape. If the organization is a military base, the barbed wire would be tilted __________, making it harder for someone to climb over the fence and gain access to the premises.

Two main types of mechanical locks are available: the warded lock and the tumbler lock. Which of the following has an incorrect characteristic pertaining to these lock types?

i. The warded lock has wards in it, which are metal projections around the strike plate
ii. The tumbler lock has more pieces and parts than a ward lock.
iii. In a tumbler lock the key fits into a cylinder, which raises the lock metal pieces to the correct height so the bolt can slide to the locked or unlocked position.
iv. In a tumbler lock once all of the metal pieces are at the correct level, the internal bolt can be turned.
v. The warded lock has a spring-loaded bolt with a notch cut in it. The key fits into this notch and slides the bolt from the locked to the unlocked position.

A ____________ drywall sheet installed on each side of a wood stud provides a one-hour rating. If the thickness of this drywall is doubled, then this would be given a _________ rating.

It is important to choose the correct type of windows when building a facility. Each type of window provides a different level of protection. Which of the following is a correct description of window glass types?

i. Standard glass is made by heating the glass and then suddenly cooling it.
ii. Tempered glass windows are commonly used in residential homes and are easily broken.
iii. Acrylic glass has two sheets of glass with a plastic film in between.
iv. Laminated glass can be made out of polycarbonate acrylic, which is stronger than standard glass but produces toxic fumes if burned.

A hygrometer is used to monitor what?