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Question
In a ________ the modules are arranged in a vertical stack. Each layer in the stack performs a related subset of the functions required to communicate with another system.A) protocol architecture
B) NSP
C) protocol data unit
D) frame relay
Answer
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Related questions
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The simplest sort of signal is a ________ signal, in which the same signal pattern repeats over time.
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A) Voice
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B) periodic
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A) multipoint
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An analog signal can be transmitted only a limited distance before attenuation, noise, and other impairments endanger the integrityof the data.
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A) parallel
B) asynchronous
C) analog
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A ________ error can occur in the presence of white noise when a slight random deterioration of the signal to noise ratio is sufficient to confuse the receiver's decision of a single bit.
A) burst
B) idle
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Q:
________ is one of the most fundamental requirements in the transmission of a stream of bits from one device to another.
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In ________ the phase of the carrier signal is shifted to represent data.
A) MFSK
B) ASK
C) FSK
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Q:
Because of their simplicity and relatively low frequency response characteristics, ________ codes are commonly used for digital magnetic recording.
A) NRZ
B) AMI
C) VSES
D) B8ZS