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?
The MINIMUM recommended lighting requirement in a telecommunications room (TR) at the point of cable terminations is:
"A single outlet utilizing a dedicated phase, neutral, and ground conductor" is the definition for which of the following?
Coupling with electrical circuits can create inductive interference to telecommunications facilities. Which of the following can decrease the coupling effect?
One interior TTY must be provided at locations defined as public accommodations with ________ or more pay telephones.
Which type of protection for electrical power stations provide isolation against a rise in potential of station ground and also provide drainage protection against longitudinally-induced voltages?
Important considerations when designing telecommunications distribution within modular furniture include all of the following EXCEPT:
A telecommunications outlet/connector may be provided using all listed below EXCEPT:
Which of the following is NOT an example of a perimeter pathway?
The F rating for a framed wall/stud wall is ________ hour(s).
A ________ eliminates the need to remove or install materials.
Which of the following is a nonmechanical firestop system?
What is the MOST important aspect of fire alarm signaling?
Which of the following is NOT a type of intrusion detection system sensor?
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?
You are designing a cabling containment system installed overhead in a new data center. The main or prime purpose of the system will be to manage fiber optic cabling between cabinets. You have a choice of designs of the containment system. In view of the prime purpose of containment system, your first choice of design will be one that:
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?
Within a data center, how many concentric layers are considered necessary to provide effective security?
Which of the following is NOT an advantage of access floor systems?
The standard floor space coverage area for each building automation system (BAS) is a BAS outlet or device for every ________ of floor space.
Which of the following is NOT considered acceptable in an information technology system (ITS) conduit design and installation?
The MOST common medium used to provide service to the access point (AP) is ________ cable.
Which one of the following is NOT an advantage of underground conduit?
What would be the minimum length of casing to cross a single railroad track at 90 degrees?
How much area of wall space is needed in the telecommunications room (TR) to support a nurse call system?
Which of the following is used to create an electronic signal that can be sent to the central nurse call equipment?
The ________ system is an application used for storing and viewing captured digital radiology image files.
Which service is NOT typical of Grade 1?
You are designing a multi-story dwelling and need to place the CTR's. Every floor is not available. What is the alternate spacing for the CTRs?
To accommodate telephone, data, CATV, security and multimedia, a MINIMUM of ________ strands of optical fiber auxiliary disconnect outlet (ADO) cable should be provided.
A backbone star topology shall have no more than______ level(s) of cross-connections.
An installation crew is pulling an optical fiber cable into a riser. The cable has an outside diameter of 25 mm (1 in). As the cable is being pulled off the reel and through a pulley into the riser, you must verify that the minimum bend radius for the cable being pulled is observed. The pulley must be sized at a MINIMUM of:
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:
The MINIMUM dimensions of the telecommunications main grounding busbar is ________ and variable in length.
As a guide, the MAXIMUM recommended DC current value on any bonded conductor should be less than:
Surge currents due to lightning and other sources MUST be ________ before they penetrate the infrastructure.
Exhibit:
The diagram below is a typical configuration for:
What is the worst case acceptance value for attenuation when testing 2000 m (6562 ft) of 50/125 multimode fiber at a wavelength of 1300 nm when the fiber has 2 connector pairs and 3 splices?
Premises optical fiber links should be tested:
If you have a circuit with 120 volts, 12 amps, and 10 ohms, it has a peak power of ________ watts.
Using Ohms law, a circuit of 120 volts and a resistance of 15 ohms will have a current of ________ amps.
Multiples of the basic frequency of an electrical waveform are called:
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?
You are designing a restaurant located within a retail mall. The ambient noise level of the restaurant is 70 dB. The ambient noise level of the mall common space is 75 dB. What is the MINIMUM sound pressure level (SPL) that should be used when designing the paging system within the restaurant?
A space has all hard surfaces including architecture and furnishings. The audio programming produced from the distributed sound system has become unintelligible. Which of the following will NOT mitigate the problem?
MAC addresses are _____________ bits in length.
IPv-4 addresses are ________ bits in length.
A ______ intercepts a file and stores it temporarily in queue until a peripheral device (e.g. printer) is available.
When labeling pathways, which one of the following guidelines should be met?
Class ________ administration provides for the telecommunications infrastructure administration needs of a single building, or of a tenant served by a single or multiple. It also includes administration for backbone cabling, systems, and.
Color codes for cross-connections fields have been used for many years. Which color is used to identify horizontal cable?
As a wireless designer, you have been tasked with designing a DAS which supports UHF public safety radios. You have determined that if you increase the power of the base station antenna, you can solve coverage problems in the basement. One of the restrictive items that you should consider is:
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?
When trying to control radio signals from leaking outside of a building, a ______________ antenna should be used.