Spread Spectrum Multiple Choice Questions and Answers PDF

MCQ 1: A pseudorandom code generator that creates a K-bit pattern for every hopping period is known as:

1. hopping
2. carrier signals
3. frequency synthesizer
4. pseudorandom noise

MCQ 2: In Frequency Hopping Spread Spectrum (FHSS), the sender and receiver can have privacy if the hopping period is:

1. short
2. long
3. zero
4. infinity

MCQ 3: Institute of Electrical and Electronics Engineers (IEEE) 802.11 Direct Sequence Spread Spectrum (DSSS) uses the data rate of:

1. 1 or 2 Mbps
2. 6 to 54 Mbps
3. 5.5 and 11 Mbps
4. 2 and 54 Mbps

MCQ 4: Direct Sequence Spread Spectrum (DSSS) technique expands the bandwidth of a signal by replacing each data bit with:

1. n+1 bits
2. n-1 bits
3. n bits
4. nx1 bits

MCQ 5: What is the minimum number of bits in a PN sequence if we use Frequency Hopping Spread Spectrum (FHSS) with a channel bandwidth of B =4 KHz and Bss =100 kHz?

1. 0 bits
2. 5 bits
3. 10 bits
4. 15 bits