Question 1 of 30
In a cloud-based application, a company is implementing data encryption to protect sensitive customer information. They decide to use symmetric encryption for data at rest and asymmetric encryption for data in transit. If the symmetric key used for encryption is 256 bits long, what is the total number of possible keys that can be generated for this encryption method? Additionally, how does the choice of encryption method impact the overall security and performance of the application?
$2^{256}$
$256^2$
$2^{128}$
$2^{512}$

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