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

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