Naval Knowledge, Unit Two, Chapter Two: Naval Communications

Which of the listed important aspects of naval communications is considered to be the most important?
1. Reliable
2. Secure
3. Rapid
4. Electronic
5. Encrypted
If there is ever a choice that has to be made between speed and security in communicating a naval message, who makes the decision as to which is more important?
1. The Commanding Officer
2. The Operations Officer
3. The Communications Officer
4. The Officer of the Deck
5. The Command Duty Officer
What term includes all of the communications effort within the Department of the Navy?
1. Naval Telecommunications
2. NavComSta
3. Radiotelephones
4. Circuit Discipline
5. Satellite Communications
Which of the following is NOT one of the functions of naval telecommunications?
1. Repeating
2. Routing
3. Reproducing
4. Encrypting
5. Decrypting
What is the abbreviation used for the largest of the naval telecommunications facilities on shore?
1. NavComSta
2. NavAirLant
3. TADIL
4. RATT
5. NavTelFac
What is considered to be the most important means of communication in the Navy?
1. Radio
2. Semaphore
3. Nancy
4. Gertrude
5. Flaghoist
What term is used to describe the electronic scrambling of naval messages so that they can be sent in coded form?
1. Encryption
2. Decryption
3. Nancy
4. Gertrude
5. Facsimile
What electronic form of communications provides easy, direct and convenient short-range tactical communications for ships and aircraft?
1. Radiotelephones
2. Radioteletype
3. Facsimile
4. Satellite Communications Systems
5. Nancy
What is the phonetic alphabet word for the letter "B"?
1. Bravo
2. Beta
3. Baker
4. Boat
5. Barnacle
What is the phonetic alphabet word for the letter "T"?
1. Tango
2. Thomas
3. Turkey
4. Tennessee
5. Ten
What is the phonetic alphabet word for the letter "U"?
1. Uniform
2. Unicorn
3. Uncle
4. Uganda
5. Unit
What is the phonetic alphabet word for the letter "N"?
1. November
2. Numbskull
3. Northern
4. Night
5. Nancy
What frequencies do Over The Horizon (OTH) radio systems use?
1. Low Frequency
2. High Frequency
3. Mid-range Frequencies
4. They can use any frequencies.
5. Radio systems are line-of-sight only and cannot transmit over the horizon.
What is considered to be the least secure means of electronic communications?
1. Broadcast Radiotelegraphs
2. Facsimile
3. Gertrude
4. Nancy
5. Semaphore
What is the name of the communications method used to send pictures, charts, graphs and text electronically by wire or radio?
1. Facsimile
2. Nancy
3. Gertrude
4. Radioteletype
5. Radiotelephone
What agency manages the Navy's satellite communications program?
1. The Naval Space Systems Command.
2. The Naval Satellite Command and Control Program.
3. The Nautical Communications Command.
4. The National Aeronautical and Space Administration (NASA).
5. The Department of Naval Research.
What is the name given to groups of military communications satellites?
1. Constellations
2. Space Communications Groups
3. Arrays
4. Conglomerations
5. Galaxies
What is the name for the radio networks that broadcast tactical data among surveillance and weapons control system computers on ships, ground stations and aircraft?
1. TADILs
2. Nancy
3. Gertrude
4. RATT
5. FAX
What type of code is used for naval communications transmitted by flashing light?
1. Morse
2. Nancy
3. Gertrude
4. Facsimile
5. Semaphore
Which of the following statements is true concerning visual communications?
1. It is as reliable and convenient as radio and usually more secure.
2. It is less reliable but as convenient as radio and usually more secure.
3. It is as reliable but less convenient than radio, but usually more secure.
4. It is as reliable and convenient as radio but usually less secure.
5. It is less reliable but more convenient than radio, but usually less secure.
Which of the following is NOT a visual form of naval communications?
1. Gertrude
2. Nancy
3. Flaghoist
4. Semaphore
5. Flashing Light
The signal bridge on a naval ship can perform all of the functions of the radio except for what?
1. Long-range communications
2. Short-range communications
3. Encrypted communications
4. Unencrypted communications
5. Secure communications
Which visual signaling method can send maneuver instructions more uniformly than any other system?
1. Flaghoist
2. Nancy
3. Semaphore
4. Flashing Light
5. Gertrude
What is the proper method to read flaghoists?
1. Top down, outboard to inboard
2. Top down, inboard to outboard
3. Bottom up, outboard to inboard
4. Bottom up, inboard to outboard
5. Left to right, from the top down
How many flags and pennants can be used in the Flaghoist signaling method?
1. 68
2. 26
3. 84
4. 35
5. 52
What is the name given to infrared light signaling at night?
1. Nancy
2. Gertrude
3. Flaghoist
4. Semaphore
5. Morse
What is the best form of visual communications for long messages.
1. Semaphore
2. Nancy
3. Flaghoist
4. Flashing Lights
5. Gertrude
What are the strongest advantages to the semaphore method of visual communications?
1. Speed and security
2. Speed and distance
3. Reliability and distance
4. Reliability and security
5. None of these combinations are advantages of the semaphore system.
How many positions must be memorized in the semaphore method of visual communications?
1. 30
2. 50
3. 68
4. 26
5. 12
Which of the following is NOT one of the methods used by the Navy for sound communications?
1. Bugles
2. Whistles
3. Sirens
4. Bells
5. Underwater acoustics
What is the name of the underwater telephone system used by the Navy?
1. Gertrude
2. Nancy
3. Facsimile
4. Sonar
5. Hydrophone
What is generally used for emergency signals in the Navy?
1. Pyrotechnics
2. Gertrude
3. Nancy
4. Radiotelephones
5. Semaphore
When using flares for visual communications, what determines the meaning of the signal?
1. The color of the flare
2. How long the flare lasts
3. The position of the flare relative to your ship.
4. The position of the flare relative to the ship sending the signal
5. The direction the flare was fired.