The term data communication is identified in base64 scheme by the sequence ZGF0YSBjb21tdW5pY2F0aW9u, while the MD5 signature is equal to d9b7f88ee1cd656879fcdd9e4016647b. The ASCII encoding of data communication in hexadecimal notation is 6461746120636f6d6d756e69636174696f6e.