Question1: The MINIMUM separation distance between grounded metal telecommunications pathway and unshielded power lines is:
Question2: What is the MINIMUM vertical separation between the top rail of a railroad track and telecommunications facilities placed beneath the track?
Question3: 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?
Question4: Color codes for cross-connections fields have been used for many years. Which color is used to identify horizontal cable?
Question5: What type of fiber optic cable is manufactured to protect individual glass strands and is primarily designed for use inside buildings?
Question6: 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?
Question7: The propagation and path loss of radio signals in the target environment can be sampled using:
Question8: What type of estimate is based on the cost of performing similar work in the past, adjusted for current job conditions?
Question9: 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?
Question10: Using Ohms law, a circuit of 120 volts and a resistance of 15 ohms will have a current of ________ amps.
Question11: 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?
Question12: Within a commercial office building of 2300 sq m (25000 sq ft), how many building automation system (BAS) devices are required?
Question13: When designing a backbone distribution system, you will need to include a telecommunications enclosure (TE). A TE can be defined as a:
Question14: A telecommunications outlet/connector may be provided using all listed below EXCEPT:
Question15: In new construction, what is the percentage of pay phones that must be equipped with volume controls?
Question16: The information technology system (ITS) designer should design conduits entering a building from below grade point to extend ________ above finished floor (AFF).
Question17: Which of the following does NOT describe one of the four main types of specifications?
Question18: When designing a backbone distribution system, you are asked to include a combination of media types.
Your choice of media types include:
Question19: 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?
Question20: Electrical power cables are usually routed above aerial cable in order to:
Question21: The ITU-T G.711 standard deals with what aspect of video conferencing?
Question22: Based on documentation contained within the Insulated Cable Engineers Association (ICEA) standard P32-382, Short Circuit Characteristics of Insulated Cable, a copper conductor is capable of safely carrying one ampere for ________ second(s) for every 42.25 circular mils.
Question23: If you have a data center where the entire infrastructure must be completely shutdown on an annual basis to perform preventative maintenance and repair work, what tier level would this represent?
Question24: One advantage of using preconnectorized jumpers and cables is:
Question25: The standard floor space coverage area for each building automation system (BAS) is a BAS outlet or device for every ________ of floor space.
Question26: 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?
Question27: The information technology system (ITS) designer should design conduits entering a building from ceiling height to terminate ________ below the finished ceiling.
Question28: To accommodate telephone, data, CATV, security and multimedia, a MINIMUM of ________ strands of optical fiber auxiliary disconnect outlet (ADO) cable should be provided.
Question29: The loop distance range in an "ethernet in the first mile" (EFM) design is:
Question30: You are designing a firestop system for a boiler room that will have conduits coming from the service provider maintenance hole into the building. Which test rating will address the firestops ability to resist breakdown from water damage?
Question31: 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?
Question32: Generating multiple message frames containing identical data being transferred to different individual devices is called:
Question33: For design purposes, loudspeakers are rated for a measured sound pressure level (SPL) at:
Question34: 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?
Question35: An isolated ground receptacle may be identified by:
Question36: 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?
Question37: Which is NOT true about conformance quality?
Question38: 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.
Question39: Which of the following is an alarm management output system?
Question40: When considering the DAS, which component acts as a bidirectional antenna?
Question41: A scope of work should contain all of the following EXCEPT:
Question42: Which class of the system was created to secure a single equipment room (ER)?
Question43: What type of address is 00-A1-C3-52-CE-11?
Question44: Which wireless device should be used to support 3 computers and a printer?
Question45: For an analog camera, what is the normal frame rate in frames per second?
Question46: 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?
Question47: When designing a fiber backbone using cable with an armored sheath, a major consideration that you must address is:
Question48: The electromagnetic spectrum of visible light lies in the ___________ frequency range of the spectrum.
Question49: Optical transmitters are typically one of the following types EXCEPT:
Question50: 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) ________.
Question51: What is the expected life cycle, in years, of building automation system within a building structure with a life cycle of 40+ years?
Question52: Which of the following is NOT a type of intrusion detection system sensor?
Question53: 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?
Question54: 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?
Question55: In a telecommunications room (TR), the MINIMUM bottom edge height recommendation for mounting plywood on the wall is ________ above AFF.
Question56: What is the appropriate impedance of coaxial cable for use with broadband distribution?
Question57: When installing underground entrances, no more than ________ 90-degree bends should be included between pulling points.
Question58: 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?
Question59: Which of the following is NOT a form of signal coupling between two (2) circuits?
Question60: What type of facility requires a building automation system (BAS) device to be located every 5 sq m (50 sq ft)?
Question61: Which of the following is NOT an example of a perimeter pathway?
Question62: A fire ________ is a contained area that is completely enclosed by fire resistant walls, floors, and ceilings.
Question63: 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"?
Question64: Geographically speaking, a __________ covers an area associated with an individual's work space.
Question65: You have just assumed management responsibility over an older network consisting of passive hubs and some layer 2 switches. The network is experiencing massive slow downs on an irregular basis. Which of the following is the MOST effective immediate solution to the problem?
Question66: You have the responsibility of designing a railroad track crossing for an outside plant OSP cable. There are three separate railroad tracks to be crossed. The measurement between the center of the two outer tracks is 16 m (52 ft). Using the standard track width of 1435 mm (4 ft 8.5 in), what is the length of the rigid steel conduit required to facilitate the crossing?
Question67: 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?
Question68: All entrance conduits should be equipped with a plastic or nylon line with a MINIMUM test rating of
_________ pulling tension.
Question69: The recommended MAXIMUM value for the bonding resistance between the nearest available grounding electrode and the busbar in an entrance facility (EF) is ________ ohms.
Question70: Within a data center, if you have dual path connectivity between the primary entrance room and secondary entrance room, in addition to dual connectivity between these two rooms and the main distribution and secondary distribution areas, what tier level would this infrastructure design represent?
Question71: What is the highest typical ambient noise level where audio paging becomes unintelligible?
Question72: What is the MINIMUM cover for underground conduit?
Question73: The MOST common medium used to provide service to the access point (AP) is ________ cable.
Question74: 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?
Question75: Active video converters are required for what type of CATV distribution system?
Question76: Which of the following is NOT a type of connector for optical fiber?
Question77: What type of redundancy provides two complete units, modules, paths or systems for every one required for a base system.
Question78: Firestop ________, in conjunction with steel wedging plates, go in a steel cable tray.
Question79: IPv-4 addresses are ________ bits in length.
Question80: A tapped trunk topology uses ________ cabling to support a DAS.
Question81: Which of the following is NOT true about consolidation points?
Question82: The ability of a device to withstand electromagnetic disturbances from another device is:
Question83: Which of the following electrical devices is used to convert AC to DC?
Question84: Exhibit:
What does this international symbol stands for?
Question85: What is the MOST important aspect of fire alarm signaling?
Question86: MAC addresses are _____________ bits in length.
Question87: Which of the following is an undesirable electromagnetic effect on a device(s)?
Question88: On a survey of one of your client's buildings, you discover that one of the TRs, housing a considerable quantity of switching equipment, is at 25 degrees C (77 degrees F) with a relative humidity of 59 percent.
This is considered to be:
Question89: 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?
Question90: Geographically speaking, a ______ links two or more distant sites.
Question91: Which device supplies the radio signal into a DAS (distributive antenna system)?
Question92: All of the following are true about the post construction phase EXCEPT:
Question93: 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)?
Question94: 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.
Question95: For the telecommunications industry, the nominal operating voltage is ________ volts DC.
Question96: If the usable floor space is unknown, then deduct ________ percent of the total area available to estimate the usable area.
Question97: You have been asked to test and troubleshoot an installed base of cabling that is believed to be causing network problems. You are finding that there are high levels of return loss upon initial testing. What testing will best determine the reasons for these failures?
Question98: Which of the following is used to create an electronic signal that can be sent to the central nurse call equipment?
Question99: What is the testing frequency of a Category 6/Class E cable?
Question100: A properly designed distributed paging system will provide a sound pressure level (SPL) for audio paging that is between ________ above ambient noise level.
Question101: 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?
Question102: The signal at the input to a balanced twisted pair cable is 10 mW. The cable is 1000 feet long and has an attenuation of 1 dB per 100 feet. This cable is connected to the input of a receiver. The noise level at the input to the receiver is 1 microwatt. What is the signal-to-noise ratio (SNR) (dB) at the receiver input?
Question103: Which of the following protocols is referred to under ISO 16484-5?
Question104: Most types of firestop putty have ________ properties.
Question105: A common mode (CM) signal can be converted to a differential mode (DM) signal as a result of a(n):
Question106: 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.
Question107: 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?
Question108: Data representation including code translations, compressions, and encryptions is performed by what layer of the OSI model?
Question109: Wave division multiplexing (WDM) is most similar to:
Question110: You are designing a cabling system for a chemical plant. What type of device is needed to prevent the spread of fire along the cable other than the barrier penetrations?
Question111: The recommended ratio of patch panels to horizontal cable management panels is ________ RU of patch panel to ________ rack unit (RU) of horizontal cable management panel.
Question112: The MINIMUM recommended lighting requirement in a telecommunications room (TR) at the point of cable terminations is:
Question113: 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?
Question114: You have been asked to spec the physical security requirements related to the protection of assets for a new data center. The most common potential for damage categories you have considered include temperature, gases, organisms and projectiles. The one category that you have missed is:
Question115: 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?
Question116: Which device uses circulators or diplexer filters to separate and combine the different transmit and receive RF paths?
Question117: The RECOMMENDED balanced twisted-pair cable for building backbone cabling consists of ________ round solid copper conductors with a nominal characteristic of 100 ohm.
Question118: 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?
Question119: You are designing multi band UHF police radio and VHF fire radio systems for a municipal office. Because of the closeness of the transmit and receive frequencies, you must ensure there is adequate filtering and gain control of the systems. Which device will best meet the ability to separate and control the transmit and receive signals?
Question120: Buildings larger than ________ must contain a dedicated room for the termination of entrance facilities.
Question121: Which of the following is NOT an element of a cable system?
Question122: What does ANSI/TIA 942 recommend as the MINIMUM height for overhead cable tray above finished floor within a data center?
Question123: 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)?
Question124: 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
Question125: You are designing a horizontal distribution system that will have a zone box located 71.6 m (235 ft) away from the telecommunications room (TR). A 50 mm (2 in) conduit is designed from the TR to a pull box located 36.6 m (120 ft) away from the TR. A 1 1/2 inch conduit is designed from the pull box to the zone box located 35.1 m (115 ft) beyond the pull box. Assuming no conduit bends, and excluding the TR and zone box, what is the total number of pull boxes/pull points required in this horizontal conduit system between the telecommunications room (TR) and zone box?
Question126: Two sinusoidal signals have the same amplitude (A) and the same frequency (f). They differ in phase by
180 degrees. If these two signals are added together, the result is a sinusoidal signal having an amplitude of:
Question127: Certain systems must exist relative to bonding and grounding at every site. Which of the following is NOT one such system?
Question128: A 24 port layer 2 switch can perform all of the following functions EXCEPT:
Question129: 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?
Question130: 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?
Question131: 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?
Question132: 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?
Question133: ITU-T G.655 recommends which type of singlemode optical fiber?
Question134: The three electronic security system (ESS) concepts the consultant needs to understand when creating an ESS system are threats, countermeasures, and:
Question135: 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?
Question136: When selecting poles for aerial telecommunications facilities, which of the following is the class number for the strongest rated pole?
Question137: What is the recommended distance between ceiling mounted speakers in a hallway with heavy traffic?
Question138: The standard floor space coverage area for each building automation system (BAS), is a BAS outlet or device for every_______ of floor space.
Question139: From a 1000 ft (305 m) roll of optical fiber, how many MAXIMUM length centralized optical fiber cabling runs can be made?
Question140: Which of the following is NOT a primary type of DAS antenna?
Question141: The potential for ______ occurs when devices or systems share a common electromagnetic environment and their operational frequencies overlap.
Question142: Which one of the following is NOT an advantage of direct-buried cable?
Question143: You are placing two 423 mm (19 in) relay racks with a 152 mm (6 in) vertical management panel on each end and a 12 in vertical cable management panel between the racks. The rack lineup begins against a wall in the room. What is the MINIMUM room size required?
Question144: In reviewing your client's network needs for today and 5 years into the future, you note their current specs call for a 1Gb/s network within a campus environment, with little or no possibility of any increased bandwidth demands until they move to their planned future site. The building is not large, and the cable lengths will not exceed 550 m (1804 ft). Your recommendation for the fiber to be installed in the backbone is:
Question145: Where backbone cabling exceeds cabling lengths for the same performance or design (for product used in horizontal cabling), there are three fundamental tests which should be considered when testing. They are:
Question146: Assuming the total fill capacity of a pathway is 100 cables (all of the same cable type and size), the MAXIMUM number of cables to be installed during the initial installation, without exceeding the fill ratio is:
Question147: Exhibit:
The diagram below is a typical configuration for:
Question148: As a guide, the recommended maximum AC current value on any bonding conductor should be less than
________ amperes.
Question149: Using the "pathway design" for horizontal cable distribution, how many cable runs are placed to serve 15 individual?
Question150: 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?
Question151: Coupling with electrical circuits can create inductive interference to telecommunications facilities. Which of the following can decrease the coupling effect?
Question152: In order to maximize its ability to send and receive, an antenna should be ________ to the desired frequency.
Question153: What type of redundancy provides two additional units, modules, paths, or systems in addition to the MINIMUM required to satisfy the base requirement.
Question154: Which of the following correctly lists the lowest frequency band to the highest frequency band?
Question155: 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?
Question156: If a telecommunications grounding busbar is installed in the telecommunications room (TR) with the identifier of 310, located on the third floor, then the telecommunications grounding busbar should be labeled as:
Question157: You have been asked to provide a UPS that is always serving the load from its batteries and the electrical supply is used only to recharge the batteries. Which one of the following types of UPS will meet this requirement?
Question158: What is the horizontal separation, in well tamped earth, required between power and direct buried telecommunications facilities sharing the same trench?
Question159: 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?
Question160: How much area of wall space is needed in the telecommunications room (TR) to support a nurse call system?
Question161: 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?
Question162: A ______ intercepts a file and stores it temporarily in queue until a peripheral device (e.g. printer) is available.
Question163: DC loads are generally expressed in:
Question164: Which of the following refers to the increase in the nominal voltage for a duration of 3600 cycles?
Question165: This type of cable is an unbalanced system:
Question166: A work breakdown structure is:
Question167: 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:
Question168: The ________ system is an application used for storing and viewing captured digital radiology image files.
Question169: When specifying telecommunications outlet boxes, all of the following should be considered EXCEPT:
Question170: An active video converter is used in what type of CATV cable distribution system?
Question171: 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?
Question172: 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:
Question173: Assume the following:
- An equipment room (ER) consists of 16 racks arranged in 4 equal rows
- The first 4 racks are numbered R1-1 though R1-4
- The second 4 racks are numbered R2-1 through R2-4
- A new equipment shelf with 12 slots is to be installed in the bottom of the third rack in the second row
- Each slot has 2 ports
What would be the identifier of the two ports on the eighth slot of the new equipment shelf?
Question174: 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?
Question175: 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?
Question176: 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:
Question177: Color codes for cross-connections fields have been used for many years. Which color is used to identify campus backbone?
Question178: Which is NOT a type of contract?
Question179: A security program consists of three independent components. They are electronic, architectural, and:
Question180: A backbone star topology shall have no more than______ level(s) of cross-connections.
Question181: Cementitious materials are ________ based materials.
Question182: What is the frequency rating of an International Organization for Standardization/International Electrotechnical Commission (ISO/IEC) Category 7/Class F cable?
Question183: Which one of the following is part of the security metric to consider in selecting the appropriate labels for an administrative system?
Question184: Which of the following is NOT considered acceptable in an information technology system (ITS) conduit design and installation?
Question185: A building has a floor space of 16.7 m (55 ft) by 45 m (150 ft) with a common core measuring 9.17 m (30 ft) by 13.7 m (45 ft). How many individual can be provided in the usable floor space?
Question186: When allocating termination space for CAT 6 and optical fiber cables, it is recommended that additional space of up to ________ percent be considered for the routing of the cables and patch cords.
Question187: 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?
Question188: 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:
Question189: 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:
Question190: The recommended MINIMUM number of conduits connecting two located on the same floor is:
Question191: 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?
Question192: Vertical conduit masts (with approved service heads) are limited to drop-wire attachments of up to
________ lines.
Question193: Which of the following is NOT an advantage of access floor systems?
Question194: 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?
Question195: Color codes for cross-connection fields have been used for many years. Which color is used to identify network connections?
Question196: 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?
Question197: What type of optical fiber is used primarily for outside plant (OSP) applications?
Question198: Exhibit:
This diagram illustrates an example of a:
Question199: Exhibit:
This diagram illustrates a ______________campus backbone design.
Question200: All of the following are nominal wavelengths for laser light sources EXCEPT:
Question201: Which layer of the OSI model covers physical cable connections?
Question202: Which of the following is a nonmechanical firestop system?
Question203: Important considerations when designing telecommunications distribution within modular furniture include all of the following EXCEPT:
Question204: What is the PERT estimate of time for cable placement on a given job?
- Optimistic time is 100 hours
- Most likely time is 125 hours
- Pessimistic time is 210 hours
Question205: Which one of the following is NOT an advantage of underground conduit?
Question206: The ability of a conductors insulation to transmit an electric field is called:
Question207: Which is an advantage of stranded conductors over solid conductors?
Question208: When installing a heavy backbone cabling vertically, recommended methods of securing the cable include all of the following EXCEPT:
Question209: What type of address is 10.162.02.14?
Question210: Multiples of the basic frequency of an electrical waveform are called:
Question211: When reviewing a backbone distribution system within a building provided to you for standards compliance, you see that there are several cables with bridge taps built in. Which one of the following options is correct?
Question212: 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?
Question213: 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?
Question214: 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"?
Question215: You have been asked to project manage a fiber cable backbone installation. In the course of the installation, you notice the fiber cable with a 25 mm (1 in) outside diameter is being installed into a small TR, and the cable is being installed into a tight corner. Based on your knowledge of minimum bend radius requirements for fiber cable, you must ensure that the MINIMUM cable bend radius of _______________ is provided when the cable installation is completed.
Question216: When a building is not on the property line, the building owner should provide a MINIMUM of ________ conduits from a point inside the building, to the property line or easement for entrance facilities.
Question217: 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:
Question218: A(n) ________ system is considered a mechanical firestop.
Question219: You have determined that your underground cable design requires three maintenance holes (MHs). One is
4.3 m (14 ft), one is 6 m (20 ft), and one is 6.7 m (22 ft) in length. How many MH covers are required to serve these MHs?
Question220: An existing ceiling raceway system has 115,000 sq mm (177 sq in) of cross-sectional area available for distribution of cable runs. How many can be served by the existing system?
Question221: A furniture cluster with 26 requires a MINIMUM of how many multiuser telecommunications outlet assembly (MUTOA)?
Question222: 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:
Question223: 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?
Question224: When installing outlet boxes in ten private offices in an area which may prove to be difficult to install future additional telecommunications outlets, the MINIMUM quantity of outlet boxes that should be installed is:
Question225: Time division multiplexing (TDM) systems are designed to transport ________ between end point systems.
Question226: 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?
Question227: At a minimum, convenience receptacles in an ER or TR are to be located ________ AFF.
Question228: When designing a campus distribution system involving small buildings with only one horizontal cross- connect (HC) [Floor distributor (FD)] per building, you can eliminate the need for a(n):
Question229: The impedance of the equipment grounding conductor can only be accurately measured with an instrument known as a(n):
Question230: What is the recommended MINIMUM separation of unshielded twisted-pair (UTP) cables from fluorescent light fixtures?
Question231: The purpose of QoS on an IP network is for:
Question232: All of the following are used to control static discharge EXCEPT:
Question233: You have been selected to recommend a solution to increase response time and add fault tolerance to a bank of servers. Your budget is limited and the client needs a solution as soon as possible (ASAP). Which of the following options should be considered with the short time frame and limited budget?
Question234: A building can have multiple equipment rooms (ERs) for all of the following reasons EXCEPT:
Question235: Exhibit:
The figure below represents what type of chart?
Question236: Which electrical characteristic is displayed with the correct preferred value?
Question237: What is the insertion loss guideline for a multimode mechanical splice?
Question238: When developing a safety plan, consider all of the following EXCEPT:
Question239: The average power consumption in a telecommunications room (TR) is 2260 watts per hour. What is the heat dissipation in BTUs?
Question240: BICSI recommends that any trench ________ or more deep must be shored to prevent cave in.
Question241: Which of the following is NOT provided by the ac grounding electrode system?
Question242: Which of the following is true when describing slip sleeves or gutters?
Question243: Aerial entrances to small buildings should be limited to ________ cable pair or less.
Question244: Given the following values, calculate the focal length of the camera lens.
- Distance of the camera to the object is 5 m
- Vertical field of view is 2 m
- Horizontal field of view 1 m
Question245: The F rating for a framed wall/stud wall is ________ hour(s).
Question246: 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?
Question247: What is the MAXIMUM horizontal cable length permitted for centralized optical fiber cabling from the MDA within a data center?
Question248: Route congestion and message priority are a few of the functions of what layer of the OSI Model?
Question249: In addition to voice and data services, an equipment room (ER) can be designed to include all of the following EXCEPT:
Question250: Which of the following covers lightning protection systems and defines as exposed anything above ground and outside the zone of protection?
Question251: 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?
Question252: A large telecommunications facility, by most codes, must be designed with an EPO switch located at:
Question253: Select the appropriate task to complete the section 2.2 of the work breakdown structure below:
2. Technician
2.1 Install rack
2.2 _________
2.3 Place fiber
2.4 Terminate fiber
2.5 Test fiber
Question254: Which of the following statements best describes what a backbone distribution system typically provides?
Question255: A building has a series of CATV outlets each with cables installed back to a telecommunications room (TR), and each telecommunications room (TR) is connected to the headend. What is this type of topology called?
Question256: 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?
Question257: As a guide, the MAXIMUM recommended DC current value on any bonded conductor should be less than:
Question258: "A single outlet utilizing a dedicated phase, neutral, and ground conductor" is the definition for which of the following?
Question259: You are starting work on a new high school. The architect has provided you with a telecommunications room located between the kitchen cold store room and the automotive and welding shops. What should you do?
Question260: 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?
Question261: 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 that is to be placed 200 ft up on a 250 ft tower. What type of medium will be best suited to connect the antenna to the transceiver?
Question262: The conversion of an analog speech signal to a pulse code modulation (PCM) digital signal involves all of the following steps EXCEPT:
Question263: Which of the following types of conduit uses set screw couplings and connectors?
Question264: Premises optical fiber links should be tested:
Question265: The concept of the "security quandary" is based on providing a balancing act between what two elements?
Question266: Multimode optical fiber is generally used for campus or building applications due to the ability to use cost effective:
Question267: 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:
Question268: All of the following are considered market or regional conditions that can impact construction costs EXCEPT:
Question269: You have been asked to design a backbone cable connecting two large campus buildings. Your pathways will include using conduits, maintenance holes, and one section of 100 m (328 ft) of direct buried optical fiber cable. Your choice of fiber optic cable type recommendation is a:
Question270: You are designing a system requiring the transmission of data. Your system must perform higher than
________ kHz in order to do so.
Question271: What type of material does NOT support combustion even under accelerated conditions?
Question272: Omnidirectional antennas broadcast equally in all directions of only ________ cross section(s) of their toroidal (doughnut-shaped) three-dimensional radiation pattern.
Question273: In a telecommunication room (TR), the ________ is the facility used to make cross connections from the backbone cable to the horizontal cable.
Question274: Which of the following is true about screened twisted pair cable assemblies?
Question275: What is the air change requirement for a tunnel of 610 m (2000 ft) long with a diameter of 3.4 m (11 ft)?
Question276: In the customer's environment, an ITS designer should avoid the need for optical fiber field splicing by:
Question277: The formula for calculating BTUs from electrical power is:
Question278: You are designing distribution for a seven unit townhouse with in slab conduits. What is the MINIMUM number of 27 mm (1 in) rigid PVC Type 2 or metallic conduit that is required to satisfy distribution to each unit?
Question279: When designing a connection to an outlying building you decide to choose a physical ring. Your primary reason for considering a physical ring is:
Question280: The decision regarding the number of optical fibers to install (fiber strand count) in a backbone depends largely on all of the following EXCEPT:
Question281: You are designing a strobe visual notification system for a fire alarm system. You have a hallway that is 4.6 m (15 ft) wide and 100 m (328 ft) long. How many strobes should be placed in the hallway?
Question282: The headend has several modulators assigning frequencies for distribution to the CATV network. What distribution device should you use immediately at the headend to distribute the modulator's output signals to CATV system?
Question283: 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?
Question284: A SONET OC-1 channel can carry 672 voice signals and has a data rate of 51.84 Mbps. A SONET OC-48 channel can carry 32,256 voice channels. What MINIMUM data rate is required for the OC-48 channel?
Question285: What is the MINIMUM ceiling height of a telecommunications room?
Question286: In a hallway with normal traffic, ceiling mounted speakers should be placed ________ times the corridor height, minus the ________.
Question287: 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?
Question288: 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?
Question289: When labeling pathways, which one of the following guidelines should be met?
Question290: If the input signal power to a communication system is 1 W and the output power is 1 mW, the system attenuation is:
Question291: One of the advantages of using optical fiber in the backbone installation is:
Question292: Which of the following is NOT a primary method of transporting radio signals in an active DAS?
Question293: One interior TTY must be provided at locations defined as public accommodations with ________ or more pay telephones.
Question294: The MAXIMUM span length for an aerial entrance, from the last pole to the building, must NOT exceed:
Question295: When trying to control radio signals from leaking outside of a building, a ______________ antenna should be used.
Question296: What device is used in both wired and wireless networks to link network access devices?
Question297: 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?
Question298: A ________ eliminates the need to remove or install materials.
Question299: What warning tape color has the Common Ground Alliance (CGA) adopted for telecommunications and CATV cables?
Question300: You are recommending to an architect the location within a telecommunications room for the placement of floor sleeves connecting to the telecommunications room directly below. Where should the sleeves be placed within the room?
Question301: You are designing an interactive patient television system (IPTS) that will provide internet, nurse call and LCD television services. From the following, which medium will NOT support these services in a backbone cabling system?
Question302: Perimeter raceway systems should be used primarily for:
Question303: Which of the following is NOT a source of electromagnetic interference (EMI)?
Question304: In (ESS) design, employees, reputation, and materials are all examples of:
Question305: What is the MINIMUM clearance needed between the front of the telephone booth and any wall or fixture for most installations?
Question306: Within a data center, how many concentric layers are considered necessary to provide effective security?
Question307: Which class of the system applies when the premise only has a single equipment room (ER), and it is the only telecommunications space administered?
Question308: Which area of project management covers the blending of various subteams into a project organization with a cohesive plan?
Question309: When placing an optical fiber cable in the horizontal optical fiber cabling subsystem, what is the MAXIMUM number of splices that can be used?
Question310: You have been asked to provide a N+1 level of power redundancy in the new equipment room (ER) being designed with a Tier-II power supply. What should you do?
Question311: If you have a circuit with 120 volts, 12 amps, and 10 ohms, it has a peak power of ________ watts.
Question312: What element is typically NOT part of a paging system?
Question313: 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?
Question314: What is at the "root" of a DAS (distributive antenna system)?
Question315: An isolated ground is used to:
Question316: 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?
Question317: A rapid increase in voltage with a duration of half a cycle best describes a(n):
Question318: 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:
Question319: Rack mounted hardware is installed in two standard sized racks or cabinets. Those sizes are:
Question320: A video camera has a coaxial cable output. The video signal is to be distributed to devices that have balanced twisted pair inputs. The transition between these two different transmission media can be accomplished by using a:
Question321: 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?
Question322: Exhibit:
In this future marina layout, what would be the pre-cabling guideline to follow for the terminal A?
Question323: You are placing Category 6 unshielded twisted-pair (UTP) in cable tray down a hallway past the elevator mechanical room. What action should you take to avoid effects of electromagnetic interference (EMI)?
Question324: Exhibit:
The following diagram represents what type of CATV distribution system?
Question325: What are the three typical voltages used in centrally amplified paging systems?
Question326: Which service is NOT typical of Grade 1?
Question327: 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.
Question328: 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?
Question329: In an industry where a high level of humidity is measured, which type of label should be used?
Question330: Phase difference is the relationship in time between two waveforms of the same:
Question331: 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:
Question332: If you are working on a physical security plan for a data center and focusing on building and access control, what layer of the plan would this relate to?
Question333: 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?
Question334: What is the MINIMUM distance from the edge of a pool or other water hazards for a weatherproof enclosure?