Which will only retransmit the wrong data frame among the following error control methods?
Which control method is primarily used by the sliding window protocol?
In CRC code calculation, a binary bit string can be associated with a unary polynomial containing only 0 or 1 coefficients. For example, the polynomial corresponding to bit string 101101 is（）?
If the frame sequence number of the data link occupies 4 bits, the maximum sender window should be?
In CRC cyclic redundancy calculation, a binary bit string can be corresponded to a unary polynomial with only two coefficients of 0 or 1. For example, the string of binary numbers corresponding to the polynomial x^5+x^4+x+1 should be?
Data transfer rate is the number of bytes transferred per second.
Modem is only used to convert digital signals into analog signals and transmit them on the line.
Manchester code and differential Manchester code belong to self-contained clock code.
Bit rate describes the number of binary bits that make up the code transmitted per second in computer communication.
Data sent by statistical time division multiplexing need to have addresses of both transceiver and transceiver.
Which is wrong among the following descriptions of Nyquist’s criteria?
If the following is a Manchester encoded waveform of 8-bit data, what is this data?
Which is wrong among the following statements about satellite communication?
When FSK modulation is performed on a signal, and if the carrier frequency is fc and the original/modulated signal frequencies are f1 and f2 respectively (f1 < f2), what is the relationship between the three?
Which is the modulation and demodulation technology mainly used among the following communication modes?