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empezar lección

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término		definición
Which transmission media has the highest transmission speed in a network? empezar lección		optical fiber
Bits can be send over guided and unguided media as analog signal by empezar lección		digital modulation
Wireless transmission can be done via empezar lección		all of the mentioned
Which of the following networks extends a private network across public networks? empezar lección		vpn
In the OSI model, as a data packet moves from the lower to the upper layers headers are empezar lección		removed
What is the process of examining the frequency content of a signal? empezar lección		Spectrum analysis
The amount of data transmitted for a given amount of time is called empezar lección		bandwidth
OSI stands for empezar lección		open system interconnection
Transmission data rate is decided by empezar lección		physical layer
The data link layer takes the packet from ... and encapsulates them into frames for transmission. empezar lección		network layer
When 2 or more bits in a data unit has been changed during the transmission, the error is called empezar lección		burst error
Amplitude modulation is empezar lección		change in frequency
What happens then the amplitude of modulating signal is greater than the aplitue od the carrier? empezar lección		distortion
The ratio between the modulating signal voltage and the carrier voltage is calles? empezar lección		modulation index
Types of analog modulation are: empezar lección		all of the above
Analog signal may be converted into digital signal by empezar lección		sampling
A distored signal of frequency fm is recovered from a sampled signal if the sampling frequency is empezar lección		fs < 2fm
One of the protocols dedicated to the beacon is empezar lección		Eddystone

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