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The BEST defense against network eavesdropping is:

A. encryption.

B. moving the defense perimeter outward.

C. reducing the amplitude of the communication signal.

D. masking the signal with noise.



The BEST defense against network eavesdropping is: A. encryption. B. moving the defense perime..

Answer / guest

Answer: A

Encryption is the best choice in this situation and
generally protects information from eavesdroppers. Encrypted
strings, with a discernible pattern, can be captured by a
sniffer. This means that due care should be taken even with
encryption. Moving the defense perimeter outward would
entail additional cost as the security coverage would
enlarge. Reducing the amplitude of the communication signal
would result in attenuation of the signal and the recipient
would not receive the information properly. Masking with
noise would cause signal distortion and therefore distortion
in the information received that is not desirable.

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