If you have a 30 cm (12 in) wide data tray, what does ANSI/TIA 569-B recommend be the maximum pathway fill cross sectional area assuming a MAXIMUM pathway depth of 15 cm (6 in)?
Within a data center, if you have a system which includes one extra unit, in addition to the minimum required to satisfy the base need, and where the failure of this unit will NOT disrupt operations, what level of redundancy would this represent?
It is important to keep all underfloor cabling systems very neat and orderly. Cabling systems must be managed to ensure that air flow is not impeded by the height or volume of underfloor cabling. Keeping copper communications cabling properly separated from is one design approach. To resolve this:
You have been selected to do the telecommunications design on a new, single story building. The architect requires the size and location of the telecommunications rooms so their building design can proceed. From the items listed below (all of which are required for the design), which one is the logical starting point in order to provide the architect with a size and location for the room?
The recommended MINIMUM number of conduits connecting two located on the same floor is:
The MINIMUM recommended lighting requirement in a telecommunications room (TR) at the point of cable terminations is:
During a site survey you notice that several CRT displays in the vicinity of the engineering copy center have sporadic visual distortion. What is the MOST likely cause?
Which of the following is an undesirable electromagnetic effect on a device(s)?
You are required by architectural design to place UTP cables in the same space as unshielded power lines. How should you proceed with the placement of your cables?
The formula for calculating BTUs from electrical power is:
For the telecommunications industry, the nominal operating voltage is ________ volts DC.
An isolated ground is used to:
Which class of the system was created to secure a single equipment room (ER)?
When labeling pathways, which one of the following guidelines should be met?
Color codes for cross-connections fields have been used for many years. Which color is used to identify horizontal cable?
You must place CAT6 cable above a factory floor with automated welding machines and hammer forges. Of the following, what type of shielding would be most effective?
Composite conductors, although not generally recommended, may be used in special circumstances because they provide all of the following advantages EXCEPT:
The public telephone system is an example of a __________ system.
What is the PERT estimate (in hours) for project design where:
- Optimistic time is 40 hours
- Most likely time is 50 hours
- Pessimistic time is 60 hours
Which is NOT a type of contract?
Which is NOT true about conformance quality?
The distance a CCTV signal may be run is determined by the strength of the signal at the source, required signal strength at the receiver, and:
In (ESS) design, employees, reputation, and materials are all examples of:
Which of the following is NOT a type of intrusion detection system sensor?
The MINIMUM number of antennas needed to create a DAS is:
A tapped trunk topology uses ________ cabling to support a DAS.
What is at the "root" of a DAS (distributive antenna system)?
A building has six floors plus a basement. Each floor is 10,000 square feet and has approximately 50 CATV outlets respectively. There is a single hardline trunk cable installed from the basement headend passing through a directional coupler in each floor's telecommunications room (TR). Which leg of the coupler will have the LEAST signal loss?
You are designing a building with a combination of Class A commercial office spaces and residences. The design program requires having unlimited cable channels available at all outlet locations. What distribution system topology will NOT provide adequate channel distribution to each location?
Which of the following is NOT an element of a cable system?
When placing an optical fiber cable in the horizontal optical fiber cabling subsystem, what is the MAXIMUM number of splices that can be used?
In the ceiling zone method of distribution, the usable floor area should be divided into zones each measuring:
Which of the following is NOT an advantage of access floor systems?
If you are using a building automation system (BAS) protocol operating on RF media at 19,200 b/s in the 868 MHz band, which protocol are you using?
What is the expected lumenance value, in watts, of a 200 watt fluorescent lamp after three years?
Within a heating ventilation and air conditioning automatic control system, what do the letters DDC stand for?
What is the International Organization for Standardization/International Electrotechnical Commission ISO/IEC class rating for American National Standards Institute/Telecommunication Industry Association (ANSI/TIA) Category 5e cable?
The RJ-45 is now known as the 8P8C style connector, per the Telecommunications Industry Association (TIA) standard. What does the P and C stand for?
If looking to specify an optical fiber backbone within a building going 275 m (902 ft) between the equipment room (ER) and the telecommunications room (TR), what type of fiber should be specified to support a 10 GB ethernet application?
BICSI recommends that any trench ________ or more deep must be shored to prevent cave in.
What is the horizontal separation, in well tamped earth, required between power and direct buried telecommunications facilities sharing the same trench?
The MOST common medium used to provide service to the access point (AP) is ________ cable.
You are renovating telecommunication rooms that support an acute care facility that has 10,000 sq ft floors. The facility will be adding 15,000 sq ft to each of the floors. What is the MINIMUM additional floor space that you will need to expand the TRs to support the new floor space?
You are designing a nurse call system for an assisted care facility. What type of nurse call system would best suit the needs for the facility?
You are designing a nurse call system for a health care facility. The system will have emergency call switches. What is the first step you should take in designing the nurse call system?
A 24 port layer 2 switch can perform all of the following functions EXCEPT:
You are placing PTP fiber between two locations 55 km (34 miles) apart. You are told that DWDM equipment will be installed within the next 5 years. Which of the following optical fiber types should you use?
ITU-T G.655 recommends which type of singlemode optical fiber?
An isolated ground receptacle may be identified by:
You are designing a telecommunications grounding system for a telecommunications room (TR). The TMGB is located 15 m (50 ft) from the telecommunications rack. What is the MINIMUM AWG of the ground conductor required?
Surge currents due to lightning and other sources MUST be ________ before they penetrate the infrastructure.
Cementitious materials are ________ based materials.
A fire ________ is a contained area that is completely enclosed by fire resistant walls, floors, and ceilings.
What type of material does NOT support combustion even under accelerated conditions?