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During an audit of a telecommunications system the IS
auditor finds that the risk of intercepting data transmitted
to and from remote sites is very high. The MOST effective
control for reducing this exposure is:

A. encryption.

B. callback modems.

C. message authentication.

D. dedicated leased lines.

Question Posted / guest

Answer Posted / guest

Answer: A

Encryption of data is the most secure method. The other
methods are less secure, with leased lines being possibly
the least secure method.

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