Choices A, B and D are correct.
This question deals with Internationalization. Language for messages, formats (numbers, date and so on), taxes and legal rules are all subject to Internationalization. Hence A, B and D are correct.
Choice C refers to a security mechanism where a demilitarized zone is created between two firewalls and is irrelevant to I18N. RSA and MD5 are security terminology used with cryptography. Therefore choices E and F are incorrect.
