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Practice Questions for Security+ Certification

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Q4.Which of the following is true about block cipher? [Choose 2 best answers]

Here a cryptographic key and algorithm are applied to a block of data at once as a group rather  than to one bit at a time

Here a cryptographic key and algorithm are applied one bit at a time rather than to a block of data

It is a port scanner

Blowfish algorithm uses block cipher



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