Plz
you must tell your commander that a scout is attacking an enemy fortification with grenades. using the “navajo code talkers' dictionary,” write your message in both navajo and english.

HASH-KAY-GI-NA-TAH WOL-LA-CHEE HA-A-SID-AL-SIZI-GIH SEIS AL-TAH-JE-JAY AH-NA-SOZI NI-MA-SI

Commanding Officer, a scout is attacking fortification grenade

It depends on how much effort that you put in preparing and working on sample questions to write this exam. It takes continual time and dedication and cannot be hoped to be achieved/aced within a few hours.