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In the ceiling zone method of distribution, the usable floor area should be divided into zones each measuring:
In the ceiling zone method of distribution, the usable floor area should be divided into zones each measuring:A . 9.3 sq m (100 sq ft) to 23 sq m (250 sq ft)B . 23 sq m (250 sq ft) to 56 sq m (600 sq ft)C . 23 sq m...
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.
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...
The potential for ______ occurs when devices or systems share a common electromagnetic environment and their operational frequencies overlap.
The potential for ______ occurs when devices or systems share a common electromagnetic environment and their operational frequencies overlap.A . Electromagnetic interference (EMI)B . (EMC)C . Radio frequency interference (RFI)D . Fast transientsE . Electrostatic discharge (ESD)View AnswerAnswer: A
The public telephone system is an example of a __________ system.
The public telephone system is an example of a __________ system.A . SimplexB . Half-duplexC . Full-duplexD . Purely analogE . Purely digitalView AnswerAnswer: C
What fiber should be specified for this application?
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 . 8 - 9 micron singlemodeB . 50 micron multimodeC . 50 micron laser optimized multimodeD . 62.5 micron multimodeView AnswerAnswer: A
The electromagnetic spectrum of visible light lies in the ___________ frequency range of
The electromagnetic spectrum of visible light lies in the ___________ frequency range of the spectrum.A . 1 GHzB . 100 GHzC . 10 THzD . 1 PHzE . 100 PHzView AnswerAnswer: D
How many can be served by the existing system?
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?A . 115B . 160C . 177D . 189E . 195View AnswerAnswer: C
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?
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?A . 16B . 24C . 28D . 40E . 46View AnswerAnswer: A
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:
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:A . 25B . 40C . 50D . 60View AnswerAnswer: B
What is the signal-to-noise ratio (SNR) (dB) at the receiver input?
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...
