An outside plant (OSP) cable must be placed under a pipeline with two side by side pipe runs. The distance between the outside pipes is 6 m (20 ft). What is the length of the conduit required to facilitate the pipeline crossing?
What is the MINIMUM number of outside building terminal pedestals required to serve a single story office, or office warehouse structure that has ten 18.3 m x 24 m (60 ft x 80 ft) units and the total building length is 183 m (600 ft)?
BICSI recommends that any trench ________ or more deep must be shored to prevent cave in.
When placing an optical fiber cable in the horizontal optical fiber cabling subsystem, what is the MAXIMUM number of splices that can be used?
Which of the following is true when describing slip sleeves or gutters?
You are designing a horizontal pathway system where you will provide 100 mm (4 in) conduit and pull boxes. The building architectural elements will only allow for a single layer of conduits (not stacked). The main horizontal pathway system consists of five 100 mm (4 in) conduits. Large single sheath copper cables are not expected to be placed. Which of the following is the MINIMUM width pull box that is to be provided?
You have been asked to design a public safety microwave radio system for the city of Fairbanks, Alaska. The requirement for reliability, maximum throughput, and minimum interference by fog, rain, or heavy snow is critical. Which frequency will best suit the system's needs?
A tapped trunk topology uses ________ cabling to support a DAS.
You are designing a 4.9 GHz microwave system that is using rectangular waveguide from the transceiver to the inside wall of the shelter and an antenna using elliptical waveguide from the antenna to the outside wall of the shelter. The antenna has been designed to be placed 200 ft up on a 250 ft tower. What device will you specify that will best interconnect the two different waveguides?
If you have a circuit with 120 volts, 12 amps, and 10 ohms, it has a peak power of ________ watts.
The average power consumption in a telecommunications room (TR) is 2260 watts per hour. What is the heat dissipation in BTUs?
Which of the following electrical devices is used to convert AC to DC?
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 NOT a source of electromagnetic interference (EMI)?
The electromagnetic spectrum of visible light lies in the ___________ frequency range of the spectrum.
A campus backbone design linking two buildings requires that you install a high-fiber-count cable very quickly, using the conduit system provided. Cost is not so much an issue as urgency is to meet a service demand. Your first choice of fiber cable installation is to use:
You are reviewing a building backbone design with a vertically aligned telecommunications room (TR). In the spec you note in a footnote with details that the slots at one end of the telecommunications room (TR) must be flush with the floor and the sleeves provide at the end of the telecommunications room (TR) must also be flush. In your meeting with the electrical engineering firm that has provided the spec, you make the comment that according to best practices, the MINIMUM that slots and sleeves must extend above the finished floor are:
Optical fiber all-dielectric cables have an additional advantage over ones containing a steel strength member. That advantage is:
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:
You are designing an audible alarm notification system for an office environment with an ambient noise level of 55 dBA. What dBA level should the horn be set at?
In (ESS) design, employees, reputation, and materials are all examples of:
Active video converters are required for what type of CATV distribution system?
Exhibit:
The following diagram indicates what type of CATV distribution 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?
Which is NOT true about conformance quality?
Exhibit:
If a work breakdown structure (WBS) shows the tasks below, what is C, the successor task?
A) Install OSP pathways
B) Install fiber
C) ________.
At the end of the second week of a project, the earned value (EV) of work is $8000 USd and the planned value (PV) of work is $7000 USd. What is true about the project?
ITU-T G.655 recommends which type of singlemode optical fiber?
The ITU-T G.711 standard deals with what aspect of video conferencing?
Geographically speaking, a __________ covers an area associated with an individual's work space.
Which of the following is NOT a design consideration for broadband video distribution?
There are three buildings approximately 400 meters apart and the customer wants to use 10 Gig Ethernet. What fiber should be specified for this application?
What is the frequency rating of an International Organization for Standardization/International Electrotechnical Commission (ISO/IEC) Category 7/Class F cable?
Within a commercial office building of 2300 sq m (25000 sq ft), how many building automation system (BAS) devices are required?
Within building automation hardware systems, there is a hierarchical system of micro processor based controllers. Which type of controller is used to provide limited port capacity for connection of sensors, support, and execution of DDC programs, and usually operates in stand alone mode?
What is the expected lumenance value, in watts, of a 200 watt fluorescent lamp after three years?
On a project with three small conference rooms, a break room, and twelve private offices, what is the MINIMUM number of telecommunications outlet boxes required?
The MINIMUM separation distance between grounded metal telecommunications pathway and unshielded power lines is:
A furniture cluster with 26 requires a MINIMUM of how many multiuser telecommunications outlet assembly (MUTOA)?
Which of the following types of conduit uses set screw couplings and connectors?
You have determined that the equipment room (ER) you are designing will be the minimum size of 15 sq m (160 sq ft) and is servicing 80 but architectural changes will add 175 , which will require you to add a horizontal cross-connect (HC). What size should the equipment room (ER) be?
You are working on the design of a new, large ER/TR that will contain many racks and data cabinets including a large UPS system. Your recommendation to the architect for room access from inside the building is:
Using the sound pressure level (SPL) method of approximating distance and power, calculate the power required to produce 89 dB at 4 m (13.1 ft) with a loud speaker that is rated at a SPL of 95 dB. What input power level (in watts) is required to appropriately power the speaker?
You are designing a paging system for a 588 sq m (6325 sq ft) open office space. Due to architectural features of the ceiling, wall mounted speakers must be used. Following the general rule about wall mounted speaker placement, how many speakers should be installed?
What is the highest typical ambient noise level where audio paging becomes unintelligible?
In an industry where a high level of humidity is measured, which type of label should be used?
Color codes for cross-connection fields have been used for many years. Which color is used to identify network connections?
Which class of the system was created to secure a single equipment room (ER)?
The F rating for a framed wall/stud wall is ________ hour(s).
You are designing the cabling infrastructure for a lab office building that will frequently change tenants. The owner will be responsible for all of the infrastructure that feeds each floor to include the telecommunication rooms. Which firestop method will best suit the owners needs?
A(n) ________ system is considered a mechanical firestop.
Exhibit:
A pay telephone using coins needs to be installed in a public area. In the specifications, it is required that the telephone shall meet the ADA (American with Disabilities Act) requirement for front reach using a wheelchair. What will be the maximum reachable height or the value of "X"?
A telephone facility and an electrical facility are required in a tunnel. To reduce the effects of EMI and eliminate the need for additional shielding of the cables, where would each facility be placed?
In an office area, a consultant needs to add the location of a fax machine to the plan. What is the approximated floor area that a fax machine occupies?