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Question
When there are multiple root servers with the same name, each has an identical copy of the database for that server and the same IP address.Answer
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Related questions
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Amplitude shift keying is less susceptible to error than binary frequency shift keying.
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A communication ________ is a microwave relay station used to link two or more ground based microwave transmitter/receivers known as earth stations.
A) transmitter
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C) dish
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A) single mode and the multimode
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A means of transmitting analog signals without regard to their content is ________ transmission.
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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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________ is generated by terminals. computers, and other data processing equipment and then converted into digital voltage pulses for transmissions.
A) Voice
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A) digital
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Delay distortion occurs because the velocity of propagation of a signal through a guided medium varies with frequency.
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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 familiar example of analog data is audio, which, in the form of acoustic sound waves, can be perceived directly by human beings.
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A) parallel
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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
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________ 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.
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B) ASK
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Because of their simplicity and relatively low frequency response characteristics, ________ codes are commonly used for digital magnetic recording.
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B) AMI
C) VSES
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