NS3 Naval Knowledge Chapter 7 Exam with Complete Solutions

Naval telecommunications - ANSWER-all of the electric communications effort within the Department of the Navy. what is the purpose of decryption? - ANSWER-a process that reverses encryption, taking a secret message and reproducing the original plain text. Since most radio circuits are encrypted electronically, decryption by unauthorized means is nearly impossible what is a circuit discipline and why is it used? - ANSWER-Prescribed frequencies, languages, and formats and procedures used when speaking over plain-text radios. what is a constellation (of satellites)? - ANSWER-They are groups of military communication satellites, currently in orbit. what is flaghoist signaling? - ANSWER-It is a rapid and accurate system of sending standardized tactical signals or international code during daylight. What are pyrotechnics used for? - ANSWER-Emergency signals. They are mainly of the "fireworks" variety, including, but not limited to, parachute flares, aircraft parachute flares, Roman candles, and colored float- and smoke-type flares. radiotelephone - ANSWER-Voice radio telephone, is one of the most basic military communication devices. phonetic alphabet - ANSWER-Each letter in the alphabet has a code word, and pronunciation guide. It is used to make radio transmissions clear. What are Tactical Data Links? - ANSWER-Methods of transmitting tactical data among surveillance and weapons control system computers on ships, ground stations, and aircraft via transmission of digital data over secure radio networks What is the signal bridge? - ANSWER-The signal bridge on naval ships is were most visual signalig is done, by enlisted navy signalmen. What are semaphores used for? - ANSWER-Uses signals transmitted by various arm positions of the signalman for short distance communications between naval ships. What is naval communication? - ANSWER-The transmission and reception of military instructions and information by sound, electronics, or visual means.