48 Questions
True or false: The datalink layer is responsible for framing, error coding, and switched networks.
True
True or false: The physical layer is responsible for information transfer using electrical signals, optical signals, and EM waves.
True
True or false: Information carriers can only be electrical signals and optical signals.
False
True or false: Modulation is the process of changing a signal to convey information.
True
True or false: Amplitude Modulation (AM) changes the frequency of the signal.
False
True or false: Baseband modulation is simpler hardware compared to carrier modulation.
True
True or false: Bandwidth is the width of the frequency range in which the Fourier transform of the signal is zero.
False
The bandwidth and distance of networks are limited by the physical properties of the media.
True
Nyquist's formula gives an accurate measure of the idealized throughput of a network.
False
Multiple users can be supported using space, time, or frequency division multiplexing.
True
True or false: The Nyquist Limit states that a noiseless channel of width H can at most transmit a binary signal at a rate 2 x H
True
True or false: Every transmission medium supports transmission in a certain fixed frequency range
True
True or false: Shannon's theorem states that the maximum capacity of a noisy channel is given by C = B x log2(1 + S/N), where C is the maximum capacity (bps), B is the channel bandwidth (Hz), and S/N is the signal to noise ratio of the channel
True
True or false: Time Division Multiplexing requires spectrum proportional to aggregate bandwidth
False
True or false: Frequency Division Multiplexing (FDM) allows different users to use different parts of the frequency spectrum.
True
True or false: Time Division Multiplexing (TDM) allows different users to send at different times.
True
True or false: Unshielded twisted pair (UTP) copper wire can transmit data at a speed of 100 Mbit/s up to 100 m.
True
True or false: Single mode fiber has a typical limit of 1 Gbps at 100 m.
False
True or false: Information transfer is only a physical process, involving electrical signals, optical signals, and EM waves?
False
True or false: Information carriers can also be sound waves, quantum states, proteins, ink & paper, etc?
True
True or false: Time Division Multiplexing (TDM) requires spectrum proportional to aggregate bandwidth?
False
True or false: Amplitude Modulation (AM) changes the phase of the signal?
False
True or false: Single mode fiber has a typical limit of 1 Gbps at 100 m?
True
True or false: Baseband modulation is more complex hardware compared to carrier modulation?
False
True or false: The physical layer places constraints on what the network infrastructure can deliver.
True
True or false: MAC rules are used to increase interference in a network?
False
True or false: Modulation is the process of changing a signal to convey information.
True
True or false: Aggressive encoding techniques make a signal more sensitive to noise?
False
True or false: Frequency Modulation (FM) changes the frequency of the signal.
True
True or false: Multipath fading and security are the only other effects to consider in a network?
False
True or false: Baseband modulation is simpler hardware compared to carrier modulation.
True
True or false: Ether has unlimited bandwidth?
False
True or false: The Nyquist Limit states that a noiseless channel of width H can at most transmit a binary signal at a rate 2 x H.
True
True or false: Bandwidth and distance of networks are not limited by physical properties of media?
False
True or false: Bandwidth is the width of the frequency range in which the Fourier transform of the signal is nonzero.
False
True or false: Shannon's theorem states that C = B x log2(1 + S/N)?
True
True or false: Fiber optic cables use lasers to transmit signals at different wavelengths?
True
True or false: Single mode fiber has a larger core size compared to multimode fiber?
False
True or false: Wavelength Division Multiplexing allows multiple signals to be sent simultaneously through different optical carriers?
True
True or false: Wireless technologies have high attenuation, limiting the distance over which they can transmit signals?
True
True or false: Unshielded twisted pair (UTP) copper wire can transmit data at a speed of 1000 Mbit/s up to 100 m?
False
True or false: The physical layer is responsible for information transfer using only electrical signals?
False
True or false: Bandwidth is the width of the frequency range in which the Fourier transform of the signal is zero?
False
True or false: Single mode fiber has a typical limit of 1 Gbps at 100 m?
True
True or false: The datalink layer is responsible for framing, error coding, and switched networks?
True
True or false: The Nyquist Limit states that a noiseless channel of width H can at most transmit a binary signal at a rate 2 x H?
True
True or false: Baseband modulation is simpler hardware compared to carrier modulation?
True
True or false: Unshielded twisted pair (UTP) copper wire can transmit data at a speed of 100 Mbit/s up to 100 m?
True
Quiz: The Nyquist Limit in Binary Amplitude Encoding Test your knowledge about the Nyquist limit and binary amplitude encoding with this quiz. Learn about the maximum data transmission rate in a noiseless channel and how to calculate it using the Nyquist formula. Discover the relationship between channel width and data transmission speed. Challenge yourself and see how well you understand this important concept in communication systems.
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