Learn Farsi: در رمزنگاری متقارن، کلید چگونه تبادل می‌شود؟ - In symmetric cryptography, how is the key exchanged?

چگونه is a more formal and written way to say 'how' or 'in what manner.' Since this sentence is discussing a technical topic like cryptography (رمزنگاری), the formal tone is appropriate. You will often see چگونه used directly before the verb in academic, technical, or journalistic writing.

Why is چگونه placed right before the verb تبادل می‌شود, instead of at the beginning of the sentence?

In Farsi, question words (interrogatives) typically sit exactly where the answer would go, rather than moving to the front of the sentence like they do in English. Therefore, چگونه naturally lands immediately before the verb. Structurally, 'How is the key exchanged?' becomes 'The key how is exchanged?' in Farsi.

The translation says 'is exchanged.' How does تبادل می‌شود form the passive voice here?

تبادل is an Arabic-derived noun meaning 'exchange.' By pairing this action noun with the auxiliary verb شدن (to become), Farsi creates a passive meaning. If the sentence were in the active voice (e.g., 'the system exchanges the key'), it would use کردن (to do) and be تبادل می‌کند. So تبادل می‌شود functions as 'is exchanged' but translates more literally to 'becomes exchanged.'

How does the phrase رمزنگاری متقارن connect grammatically, and how is it pronounced?

It connects using the ezafe grammatical linker, which ties a noun to its modifying adjective. Because ends in a long vowel (the acting as an 'i' sound), the ezafe adds a 'ye' sound to smoothly bridge the gap between the words. Therefore, it is pronounced 'ramz-negaari-ye motaqaaren'.