All Solved Correct.
Which of the six end-to-end communication path components makes outgoing data unreadable
and incoming data readable? - Answer The Crypto device
What provides services and resources to other computers on the network? - Answer Servers
What three network enclaves are found on ships? - Answer -NIPRNET (unclassified)
-SIPRNET (secret)
-JWICS (top secret)
___ and ___ are included in RF communications systems that support end to end
communications. - Answer RF circuits and Transit Links
What is the equipment in a shipboard network architecture? - Answer -ADNS Router
-INE Device
-RF Equipment
-Network Components
What is the purpose of TBMCS? - Answer Provides real-time information allowing Naval
leadership to make critical strategic and tactical decisions regarding the placement and
management of aerial forces.
What is the purpose of shore facilities? - Answer -To support the fleet
-Provide network connectivity for platforms afloat
-Provide classified and unclassified voice, messaging, data, video
-Provide relay services
What type of communications are used for short-range? - Answer Line of Sight (LoS)
communications
What type of communications provide data and voice transmissions when ships are over the
visible horizon? - Answer Long-range communications
What is reflection? - Answer Radio waves bouncing off of flat surfaces
, What is propagation? - Answer The way that radio waves move through the air
What are the three highest frequency ranges used in Naval communications? - Answer UHF
(300 MHz to 3GHz) easily jammed/ high mobility
SHF (3GHz to 30GHz) ight anti-jam
EHF (30GHz to 300GHz)high anti-jam ight mobility
What is synchronous signal data? - Answer Data transmitted at a rate determined by an
associated clock. It's a fast and reliable method of data transfer when you need to know if the
message was received.
What is asynchronous signal data? - Answer Data transmitted without an associated clock,
usually during low-speed transmissions.
Digital data is represented by... - Answer 1's and 0's
What is quadrant amplitude for? - Answer It combines two AM signals into a single channel.
17. In which mode of operations do transceivers perform both transmit and receive functions? -
Answer Half-duplex
What types of satellites are used in Navy communications? - Answer Low Earth Orbit LEO
Medium Earth Orbit MEO
Geosynchronous Orbit GEO
Molniya Orbit HEO
What is a SAR? - Answer SAR stands for Satellite Access Request. It requests authorization for
satellite access needed to complete an operation.
What is a SAA? - Answer SAA stands for Satellite Access Authorization. It normally authorizes
access to a satellite.
What is the purpose of OPTASK COMMs? - Answer It provides communications SATCOM
requirements for ships and battlegroups to use.
What defines the communications specifications for a ship? - Answer COMMPLAN