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.
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.A . 0.2 cB . 0.4 cC . 0.6 cD . 08 cE . 0.9 cView AnswerAnswer: C
The MINIMUM separation distance between grounded metal telecommunications pathway and unshielded power lines is:
The MINIMUM separation distance between grounded metal telecommunications pathway and unshielded power lines is:A . 75 mm (3 in)B . 150 mm (6 in)C . 300 mm (12 in)D . 610 mm (24 in)E . 1220 mm (48 in)View AnswerAnswer: C
What MINIMUM data rate is required for the OC-48 channel?
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?A . 155 MbpsB . 622 MbpsC . 2.5 GbpsD . 5 GbpsE . 10...
What type of optical fiber is used primarily for outside plant (OSP) applications?
What type of optical fiber is used primarily for outside plant (OSP) applications?A . Tight-bufferB . Loose-tubeC . Breakout styleD . Duplex zip cordE . RibbonView AnswerAnswer: B
When designing a backbone distribution system, you will need to include a telecommunications enclosure (TE). A TE can be defined as a:
When designing a backbone distribution system, you will need to include a telecommunications enclosure (TE). A TE can be defined as a:A . Splice point for copper cabling onlyB . Point where the backbone cabling interfaces to the horizontal cabling and may be utilized in place of a traditional Telecommunications...
What action should you take to avoid effects of electromagnetic interference (EMI)?
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)?A . Provide a minimum separation of 1194 mm (47 in)B . Provide a minimum separation of 2060 mm (81...
The conversion of an analog speech signal to a pulse code modulation (PCM) digital signal involves all of the following steps EXCEPT:
The conversion of an analog speech signal to a pulse code modulation (PCM) digital signal involves all of the following steps EXCEPT:A . Low pass filteringB . Periodic samplingC . QuantizingD . CompandingE . Amplitude modulationView AnswerAnswer: E
Which of the following is NOT a form of signal coupling between two (2) circuits?
Which of the following is NOT a form of signal coupling between two (2) circuits?A . ConductiveB . InductiveC . ReactiveD . CapacitiveE . ElectromagneticView AnswerAnswer: C
The standard floor space coverage area for each building automation system (BAS), is a BAS outlet or device for every_______ of floor space.
The standard floor space coverage area for each building automation system (BAS), is a BAS outlet or device for every_______ of floor space.A . 9.3 m 2 (100 ft 2)B . 23 m 2 (250 ft 2)C . 31 m 2 (330 ft 2)D . 56 m 2 (600 ft...
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?
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?A . OM1B . 50 micron multimodeC . 50 micron laser...