EMT Practice Test

1. Question Content...

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Question1: Color codes for cross-connections fields have been used for many years. Which color is used to identify campus backbone?

Question2: Which of the following would be the medium duty concentrated load capacity of an access floor in an equipment room?

Question3: The minimum door size should be which of the following?

Question4: You must place a cable between 2 equipment locations with separate grounds having a potential difference between them of 2.1 V rms. Which one of the following cables should NOT be used?

Question5: A ______ intercepts a file and stores it temporarily in queue until a peripheral device (e.g. printer) is available.

Question6: The information technology system (ITS) designer should design conduits entering a building from below grade point to extend ________ above finished floor (AFF).

Question7: In a computer or control room where the plenum is used for heating, ventilating, and air-conditioning, the finished floor height should be a minimum of how many inches?

Question8: Optical transmitters are typically one of the following types EXCEPT:

Question9: When considering the DAS, which component acts as a bidirectional antenna?

Question10: You have discovered a common mode current on the metallic cable sheaths of your building riser cables. What is the MOST likely cause for you to investigate?

Question11: In order to maximize its ability to send and receive, an antenna should be ________ to the desired frequency.

Question12: What type of fiber optic cable is manufactured to protect individual glass strands and is primarily designed for use inside buildings?

Question13: 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?

Question14: The recommended MINIMUM number of conduits connecting two located on the same floor is:

Question15: You are working with the Sheriff's Department to develop a public safety wireless network that will be secured from interference and have the capability of delivering up 10 Mbps subscriber speed. What microwave frequency should be used to best meet these needs?

Question16: In a run requiring 15 m (50 ft) of cable between the floor distributor and the consolidation point, the MAXIMUM length of cable allowed between the CP and the telecommunications outlet is:

Question17: As a general guideline in premises applications for backbone cabling, 62.5/125 or 50/125 micrometer multimode optical fiber is recommended for greater distances and higher data rates.

Question18: When selecting poles for aerial telecommunications facilities, which of the following is the class number for the strongest rated pole?

Question19: From a 1000 ft (305 m) roll of optical fiber, how many MAXIMUM length centralized optical fiber cabling runs can be made?

Question20: You have just finished a design calling for 15 telecommunications outlets. You received word that the owner has increased his requirements by 40%. What size commercial DD (distribution device) is required to accommodate the increase?

Question21: Lose buffered fiber optic cable generally have a 900 micron plastic coating applied directly to the fiber.

Question22: Which of the following does NOT describe one of the four main types of specifications?

Question23: Exhibit: This diagram illustrates an example of a:

Question24: An offset in a conduit run should be considered the equivalent of a 90 degree bend.

Question25: Which of the following is an undesirable electromagnetic effect on a device(s)?

Question26: Which active DAS component is responsible for coupling input signals from donor systems?

Question27: You have been asked what the estimated power cost will be per month (30 days) for the new equipment room you are designing. The power load you have calculated to be an average of 1850 watts per hour. What is the monthly cost assuming the cost of electricity is 7.5 cents (U.S.) per kilowatt hour?

Question28: What is the testing frequency of a Category 6/Class E cable?

Question29: How much area of wall space is needed in the telecommunications room (TR) to support a nurse call system?

Question30: The MINIMUM separation distance between grounded metal telecommunications pathway and unshielded power lines is:

Question31: When placing an optical fiber cable in the horizontal optical fiber cabling subsystem, what is the MAXIMUM number of splices that can be used?

Question32: "A single outlet utilizing a dedicated phase, neutral, and ground conductor" is the definition for which of the following?

Question33: The inadvertent transposition of two conductors of separate pairs is called what?

Question34: Vertical conduit masts (with approved service heads) are limited to drop-wire attachments of up to ________ lines.

Question35: A building has six floors plus a basement. Each floor is 929 sq m (10,000 sq ft) and has approximately 50 CATV outlets respectively. There is a single hardline trunk cable installed from the basement headend passing through the telecommunications room (TR) on each floor. In order to maintain the LEAST signal loss passing through each telecommunications room (TR) to the next telecommunications room (TR), what device should you specify for use within each telecommunications room (TR)?

Question36: All entrance conduits should be equipped with a plastic or nylon line with a MINIMUM test rating of _________ pulling tension.

Question37: Data representation including code translations, compressions, and encryptions is performed by what layer of the OSI model?

Question38: Geographically speaking, a __________ covers an area associated with an individual's work space.

Question39: A furniture cluster with 26 requires a MINIMUM of how many multiuser telecommunications outlet assembly (MUTOA)?

Question40: In a telecommunication room (TR), the ________ is the facility used to make cross connections from the backbone cable to the horizontal cable.

Question41: The (FCC) CC Docket 88-57

Question42: What is the minimum clear working space between equipment and cross-connect fields in a TR?

Question43: In a hallway with normal traffic, ceiling mounted speakers should be placed ________ times the corridor height, minus the ________.

Question44: Premises optical fiber links should be tested:

Question45: Which layer of the OSI model covers physical cable connections?

Question46: A fire ________ is a contained area that is completely enclosed by fire resistant walls, floors, and ceilings.

Question47: Arial suspension strands and cable should usually be placed on the road side of the pole line.

Question48: The standard floor space coverage area for each building automation system (BAS), is a BAS outlet or device for every_______ of floor space.

Question49: You are placing an entrance cable between two buildings connected by a conduit 205.3 m (588 ft) in length. What would be the MAXIMUM length of unlisted OSP cable that could be used before you terminate the cable or transition it to a listed cable?

Question50: What is the MINIMUM distance from the edge of a pool or other water hazards for a weatherproof enclosure?

Question51: When developing a safety plan, consider all of the following EXCEPT:

Question52: The RECOMMENDED balanced twisted-pair cable for building backbone cabling consists of ________ round solid copper conductors with a nominal characteristic of 100 ohm.

Question53: What is the typical slab thickness requirement for a two level underfloor duct system where feeder and distribution ducts intersect?

Question54: One interior TTY must be provided at locations defined as public accommodations with ________ or more pay telephones.

Question55: Which is NOT a type of contract?

Question56: Phase difference is the relationship in time between two waveforms of the same:

Question57: You are designing a DAS that will support five buildings on a college campus. Which medium is best suited to ensure the best connectivity and throughput between the headend and backend devices located in the various buildings?

Question58: 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?

Question59: The CP can be used as a TP for under the carpet cabling.

Question60: Within a data center, how many concentric layers are considered necessary to provide effective security?

Question61: An isolated ground receptacle may be identified by:

Question62: You are preparing to test newly installed open office cabling. Within the open office cabling, there are multiple consolidation points (CP) that were installed while waiting for furniture. How do you proceed with permanent link testing?

Question63: For design purposes, which of the following would be the typical size range of a 4-pair 100 ohm UTP or ScTP (FTP) cable?

Question64: An isolated ground is used to:

Question65: Which of the following statements best describes what a backbone distribution system typically provides?

Question66: Select the appropriate task to complete section 2.2 of the work breakdown structure (WBS) below:
2 Technician
2.1 Install cabling
2.2 __________
2.3 Activate wireless

Question67: Power outlets should be place every 10 feet around the perimeter walls of the TR.

Question68: Within a commercial office building of 2300 sq m (25000 sq ft), how many building automation system (BAS) devices are required?

Question69: Loose-buffered cables are constructed so the fibers are decoupled form tensile forces that the cable may experience during installation and operation.

Question70: What type of material does NOT support combustion even under accelerated conditions?

Question71: You are designing a firestop system for a hospital with several floors that have isolation rooms. Air leakage control is important to ensure rooms are sealed and restrict the spread of disease. Which firestop test rating should you use to ensure air leakage compliance?

Question72: An Interconnection is a connection scheme between cabling runs, subsystem, and equipment using patch cords or jumpers that attach to connecting hardware on each end.

Question73: Using the "pathway design" for horizontal cable distribution, how many cable runs are placed to serve 15 individual?

Question74: In a telecommunications room (TR), the MINIMUM bottom edge height recommendation for mounting plywood on the wall is ________ above AFF.

Question75: The recommended MAXIMUM value for the bonding resistance between the nearest available grounding electrode and the busbar in an entrance facility (EF) is ________ ohms.

Question76: To reduce the chance of an accidental dig-up, plastic warning tape should be placed a MINIMUM of _________ below grade, but high enough above cables to allow detection before cables are damaged.

Question77: What is the minimum parallel separation distance from a UTC power cable and a UTC communication cable?

Question78: A ________ eliminates the need to remove or install materials.

Question79: You are designing a large equipment room (ER) that will house many servers, switches, backup storage drives, and other communications equipment including peripheral devices. To prevent problems from harmonic currents that can be created by switching power supplies, you should arrange for:

Question80: A reasonable approximation for the signal speed in 100 ohm balanced twisted pair cable is __________, where c is the velocity of light in free space.

Question81: You are designing a four story retail mall and multiple sound systems within it. Which system should you design to support general music programming within common retail areas?

Question82: 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?

Question83: Which of the following is true about screened twisted pair cable assemblies?

Question84: Which of the following is NOT a primary method of transporting radio signals in an active DAS?

Question85: For a building with up to 100,000 sq. ft. of usable floor space, what would be the minimum size of the back board, in an entrance facility, to accommodate up to 1200 copper pairs, protected and terminated in a manner suitable for cross-connection requirements?

Question86: The headend has several audio-video playback devices within it. What piece of equipment is required to assign their output signals to specific RF carriers on the CATV system?

Question87: At the end of the third week of a project, the actual cost of work performed is $7000 USd and the budgeted cost of work performed is $8000 USd. Which of the following is true?

Question88: The electromagnetic spectrum of visible light lies in the ___________ frequency range of the spectrum.

Question89: Horizontal slack in the form of bundled loops have been known to degrade cabling performance.

Question90: 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?

Question91: Certain systems must exist relative to bonding and grounding at every site. Which of the following is NOT one such system?

Question92: 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

Question93: In what year was BICSI formally incorporated?

Question94: Time division multiplexing (TDM) systems are designed to transport ________ between end point systems.

Question95: For TRs that contain active equipment, what is the minimum temperature and humidity range requirements?

Question96: A common mode (CM) signal can be converted to a differential mode (DM) signal as a result of a(n):

Question97: Assume that the optical power transmitted by a 62.5/125 multimode fiber is distributed uniformly across its core. If this fiber is perfectly coupled (i.e., the two fibers are aligned and abutted) to a 50/125 fiber, what is the percent of power that is lost?

Question98: When specifying telecommunications outlet boxes, all of the following should be considered EXCEPT:

Question99: The concept of the "security quandary" is based on providing a balancing act between what two elements?

Question100: 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?

Question101: 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?

Question102: Premises centralized multimode optical fiber can be installed up to how many meters/feet?

Question103: You are designing a DAS system that has a requirement to supply both RF signal and power to the remote transceivers in the system. Which cable will provide the needed services for this application?

Question104: The three electronic security system (ESS) concepts the consultant needs to understand when creating an ESS system are threats, countermeasures, and:

Question105: Often associated with raised flooring, a(n) ________ may consist of copper straps taped to the concrete floor, or it may be the floor itself with the stringers that support the tiles acting as the bonding conductor across the gradient of the floor.

Question106: The purpose of QoS on an IP network is for:

Question107: 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?

Question108: Which of the following is an address used to uniquely identify each device on a LAN with an address coded in the network interface card?

Question109: Optical fiber all-dielectric cables have an additional advantage over ones containing a steel strength member. That advantage is:

Question110: Cables are installed in a ceiling in a straight line. The ceiling run is 60 m (200 ft) in length. What is the MINIMUM number of J-hooks required to support the cables?

Question111: A backbone star topology shall have no more than______ level(s) of cross-connections.

Question112: Exhibit: In this future marina layout, assuming that there are fewer than 10 slips being cabled, what would be the pre-cabling guideline to follow for terminal A?

Question113: 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:

Question114: 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:

Question115: 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?

Question116: 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"?

Question117: OSP cables routed inside a building are influenced by fire codes.

Question118: Cementitious materials are ________ based materials.

Question119: In the customer's environment, an ITS designer should avoid the need for optical fiber field splicing by:

Question120: What is the MAXIMUM horizontal cable length permitted for centralized optical fiber cabling from the MDA within a data center?

Question121: What is the horizontal separation, in well tamped earth, required between power and direct buried telecommunications facilities sharing the same trench?

Question122: If the usable floor space is unknown, then deduct ________ percent of the total area available to estimate the usable area.

Question123: A properly designed distributed paging system will provide a sound pressure level (SPL) for audio paging that is between ________ above ambient noise level.

Question124: What are the three typical voltages used in centrally amplified paging systems?

Question125: You are extending 1000 MHz video service from your existing headend to a new equipment room (ER). Your existing incoming video signal is plus (+) 15 dBmV. You have three two-way splitters with a total of minus (-) 15 dB. You are adding 122 m (400 ft) of series 11 (RG 11) cable with a minus (-) 18 dB with eight single end F-connectors with a total of minus (-) 1.2 dB. From the selections below, what is the MINIMUM gain amplifier required in the headend room?

Question126: An open office design is made up of three furniture clusters and contains a total of nine. How many multiuser telecommunications outlet assemblies (MUTOA) should be in the design?

Question127: 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)?

Question128: The MOST common medium used to provide service to the access point (AP) is ________ cable.

Question129: The maximum vertical rise is the distance over which the cable is vertically self-supporting. This distance is a function of the weight of the cable and the:

Question130: 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?

Question131: A conduit run is installed from the ER to a TR. It has two (2) 90 degree bend and a length of 20 m (65 ft). What will be the MINIMUM test rating of the pull cord left in the conduit?

Question132: The propagation and path loss of radio signals in the target environment can be sampled using:

Question133: The American Public Works Association has adopted the color blue for warning tape used to minimize any chance of accidental dig-up of telecommunications and CATV cables.

Question134: A vertical conduit mast should not extend above a roof line more than which of the following?

Question135: Which device uses circulators or diplexer filters to separate and combine the different transmit and receive RF paths?

Question136: What type of address is 00-A1-C3-52-CE-11?

Question137: Which of the following is NOT a primary type of DAS antenna?

Question138: 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:

Question139: Which class of the system applies when the premise only has a single equipment room (ER), and it is the only telecommunications space administered?

Question140: A "sag" is a decrease in normal root mean square (rms) voltage or current lasting 0.5 cycles up to one minute.

Question141: 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?

Question142: You must extend a video systems backbone coax cable that was recently installed. Which of the following coaxial cable types would provide the best performance for both analog and digital video?

Question143: 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?

Question144: 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 (Americans with Disability Act) requirement for side reach using a wheelchair. What will be the maximum reachable height or the value of "X"?

Question145: Which of the following Right-of-Way shares characteristics of the other two?

Question146: Which of the following is NOT provided by the ac grounding electrode system?

Question147: What is the expected life cycle, in years, of building automation system within a building structure with a life cycle of 40+ years?