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Eccouncil Exam 312-38 Topic 6 Question 105 Discussion

Actual exam question for Eccouncil's 312-38 exam
Question #: 105
Topic #: 6
[All 312-38 Questions]

Identify the spread spectrum technique that multiplies the original data signal with a pseudo random noise spreading code.

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Suggested Answer: B

The spread spectrum technique that involves multiplying the original data signal with a pseudo-random noise spreading code is known as Direct Sequence Spread Spectrum (DSSS). In DSSS, the data signal is combined with a higher data-rate bit sequence, also known as a chipping code, which divides the data according to a spreading ratio. The chipping code is a pseudo-random code sequence that spreads the signal across a wider bandwidth. This process allows the signal to be more resistant to interference and eavesdropping.


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Barrett
4 days ago
I'm pretty sure FHSS is the one that hops around the frequency spectrum, not DSSS. B is the right answer for sure.
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Lavina
5 days ago
B) DSSS is the way to go! Spreading the signal with a pseudo-random code is the essence of direct sequence spread spectrum.
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Emeline
8 days ago
I think the answer is B) DSSS.
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