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?

All of the following are true about the post construction phase EXCEPT:

Composite conductors, although not generally recommended, may be used in special circumstances because they provide all of the following advantages EXCEPT:

The public telephone system is an example of a __________ system.

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.

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?

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:

Which of the following is NOT a type of connector for optical fiber?

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?

The ability of a conductors insulation to transmit an electric field is called:

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?

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?

Which type of cable tray is best described as a ventilated bottom with side rails?

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?

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

IPv-4 addresses are ________ bits in length.

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?

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?

As a guide, the MAXIMUM recommended DC current value on any bonded conductor should be less than:

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

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

A large telecommunications facility, by most codes, must be designed with an EPO switch located at:

Which of the following refers to the increase in the nominal voltage for a duration of 3600 cycles?

Exhibit:

The diagram below is a typical configuration for:

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:

Premises optical fiber links should be tested:

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)?

The ability of a device to withstand electromagnetic disturbances from another device is:

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

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:

In an industry where a high level of humidity is measured, which type of label should be used?

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?

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

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?

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?

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

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

Most types of firestop putty have ________ properties.

A(n) ________ system is considered a mechanical firestop.

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?

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:

When designing a fiber backbone using cable with an armored sheath, a major consideration that you must address is:

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?

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

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?

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:

What is at the "root" of a DAS (distributive antenna system)?

You are designing a system requiring the transmission of data. Your system must perform higher than ________ kHz in order to do so.

To accommodate telephone, data, CATV, security and multimedia, a MINIMUM of ________ strands of optical fiber auxiliary disconnect outlet (ADO) cable should be provided.

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?

At a minimum, convenience receptacles in an ER or TR are to be located ________ AFF.

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:

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?