2023-2024 BICSI Others Technician Exam With Answers (182 Solved Questions)

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BICSI Technicianexam 2023/2024 with100% correct answersThree transmission methods are-correct answer Symplex, half duplex, full duplexThe choice of a specific transport medium is influenced by 5 economics and technical considerationssuch as the:-correct answer Physical construction, type of services, topology and size of the network,transmission path distance, transmission performance characteristics of the cabling.Twisted pair cable is called balanced cable because:-correct answer The physical construction of bothconductors and the associated connections transmit information electrically at the same potentialreferenced to ground.Coaxial cable is unbalanced because:-correct answer The two conductors in the associatedconnections transmit information electrically at different potentials referenced to ground.__________ current has a rapid increase and decrease of the voltage that cannot be perceived by theeye.-correct answer Alternating or AC__________ refers to a steady value that does not change the polarity of the voltage for the direction ofthe current.-correct answer Direct current or DCA battery is anexample of a _____ source.-correct answer Direct current or DCEMI-correct answer Electromagnetic interferenceEM I can be __________ or __________ to the cable-correct answer External or internalAXT-correct answer Alien crosstalk

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What is alien crosstalk?-correct answer Other cables, external to the cable, that causeelectromagnetic interference.Five examples of external EMI-correct answer Other cables, motors, fluorescent lighting, switchingpower supplies, powered radio equipment and antennasCrosstalk definition-correct answer Electromagnetic interference, internal to the cable , that comesfrom another pair within the sheathTwo examples of internal electromagnetic interference-correct answer Crosstalk or coming from thecables shield, screen, or other metallic component that is improperly bonded and groundedNet current fields we can directly with __________-correct answer DistanceHigh-current fields weekend with-correct answer the cubeof the distance (fast)Shielding is ineffective for __________ but is effective for __________-correct answer Net currentfields, high-current fieldsFrequency defined-correct answer The number of cycles a signal is repeated in a given time period.1 cycle in 1 s = ___ Hz-correct answer 160 cycles in 1 s = _____ Hz-correct answer 601000 cycles in 1 s = _______________-correct answer 1 kilohertz (kHz)1 million cycles in 1 s = _____________-correct answer 1 megahertz (MHz)1billion cycles in 1 s = ___________-correct answer 1 gigahertz (GHz)

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1 trillion cycles in 1 s = __________-correct answer 1 terahertz (THz)Humans can hear frequencies that range from _____ hertz to _____ hertz-correct answer 20 Hz to20,000HzVoice-grade transmission of speech is generally limited to between _____ hertz and _____ hertz-correct answer 300 Hz and 3400 HzElectrical power measured in watts has two variations known as-correct answer Apparent(or reactive)power and true (or real) powerWhen measured in conjunction with a time element such as seconds or hours electrical power applies to—-correct answer The energy consumed by an electrical device (such as a motor, amplifier, ortelephonetransmitter) over a period of timeThe energy consumed by an electrical device such as a motor, amplifier, or telephone transmitter over aperiod of time is typically measured in __________-correct answer Kilowatt hours (kWh)Power is derived from __________ and __________-correct answer Electrical pressure and electricalcurrentElectrical pressure is usually measured in _____-correct answer Volts (V)Apparent power is a characteristic of a sea electrical units that have __________ components-correctanswer ReactiveElectrical current is measured in _____-correct answer Amperes (A)Inductors such as transformers and capacitors are examples of-correct answer Reactive componentsTrue power is measured in __________-correct answer Watts

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Power consumed solely by the connected load and any resistive losses in the associated transmissionmedia is called-correct answer True powerPeak power is-correct answer The maximum power available in an AC circuit at the specific moment intime when both the voltage and current are at their maximum valuesThe maximum power available in AC circuits at the specific moment in time when both the voltage andcurrent are at their maximum is called-correct answer Peak powerSustainedpower that is available during approximately 70% of the AC cycle within an AC circuit is called-correct answer Effective powerThe information transmitted by an ICT system can originate in TWO fundamental forms called ________and __________-correct answer Analog and DigitalContinuously varying electrical signals that directly follow or are similar to the changes in loudness andfrequency of the input signal is called-correct answer Analog transmissionA discontinuous signal that changes from one state to another in a number of distinct steps within fixedtimeslots is called-correct answer Digital transmissionThe basic unit of digital information is called a _____-correct answer Bit (binary digit)The contraction of the term binary digit is called a-correct answer BitBlank is used to indicate the existence of two binary states or conditions (on or off)-correct answer AbitIn Legacy electronic systems _____ _____ was controlled to indicate an on or off state-correct answerCurrent flow

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__________ convert the digital signals 1s and 0s into two distinct analog frequencies-correct answerModemsThe transmission of analog data from video devices can be converted from analog format to digital witha __________-correct answer Codec (coder/decoder)__________ Converts the amplitude changes of various frequencies into a digital format fortransmission over digital transmission media-correct answer CodecsThe most common process for voice conversion is called-correct answer Pulse code modulation (PCM)Pulse code modulation samples the analog voice signal __________ times per second to create a digitalvoice channel of __________ bits for II-correct answer 8000 timesper second, 64,000 bits for secondThe POTS signal range is transmitted between _____ and _____ Hz-correct answer 300 and 3400 Hz__________ technology uses available band with above the POTS range on existing PSTN copper loops-correct answer Digital subscriber line (DSL)One form of DSL technology that allows faster data transmission over balanced twisted pair cabling iscalled-correct answer ADSL__________ Quantifies the bandwidth of a cabling system in a frequency range of interest.-correctanswer Megahertz__________ Refers to the number of bits of information that can be transported over the media.-correct answer Megabit__________ Represents the information-carrying capacity of a system-correct answer Bandwidth__________ Typically is expressed in the range of analog frequencies that can be transported orprocessed by the system.-correct answer Bandwidth

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