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fhss dsss

Authored by Aiman Aiman

Computers

University

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fhss dsss
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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary mechanism used to combat interference in Frequency Hopping Spread Spectrum (FHSS)?

Increased power transmission

Channel coding

Rapidly changing frequencies

Narrowband modulation

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In Direct Sequence Spread Spectrum (DSSS), how is data transmitted?

By rapidly switching between multiple channels

By spreading the signal across a wide frequency band

By encoding the data in time-domain chips

By utilizing frequency modulation

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a key advantage of Frequency Hopping Spread Spectrum (FHSS) in terms of security?

Higher data transfer rates

Immunity to multipath fading

Difficulty of interception and jamming

Lower power consumption

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does Direct Sequence Spread Spectrum (DSSS) achieve resistance against narrowband interference?

By using a large number of narrowband channels

By spreading the signal over a wide frequency band

By increasing the power of the transmitted signal

By employing advanced error correction techniques

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In Frequency Hopping Spread Spectrum (FHSS), how often does the transmitter change its operating frequency?

Continuously

Infrequently

Periodically and in a predetermined sequence

Only in response to interference

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary drawback of Frequency Hopping Spread Spectrum (FHSS) in terms of data rate?

Limited coverage range

Susceptibility to interference

Lower data transfer rates compared to DSSS

High power consumption

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which spread spectrum technique is more resilient to narrowband interference?

Frequency Hopping Spread Spectrum (FHSS)

Direct Sequence Spread Spectrum (DSSS)

Both are equally resilient

Neither is resilient

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