ICMC Week 1 || 100% Correct Answers.
Define C4I correct answers Computers, Communications, Command and Control, Intelligence
Define FORCEnet correct answers FORCEnet is Navy's input into DODIN
Which networks, applications, and transport links enable information superiority? correct
answers Networks: IT-21 (afloat), NMCI/ONE-NET, DISN
Applications: GCCS-M, NTCSS, Tomahawk, Chat
Transport: Communications (SHF, EHF)
Discuss some of the communications systems that support IT-21 goals. correct answers IDNS,
ADNS, SCI networks, SHF, DMR, GCCS-M, NMT
What are some of the applications that support both tactical and non-tactical missions? correct
answers Non-tactical: NTCSS
Tactical: links, GCCS, Tomahawk
What is the mission of CIWT? correct answers The mission of CIWT is to train IT's and IP's.
Discuss the relationship between frequency, wavelength, propagation distance, and data capacity
(bandwidth) correct answers Frequency: Up
Wavelength: Down
Antenna size: Down
Propagation distance: Down
Data capacity: Up
What is polarization and what are four common types? correct answers Polarization is how the
wave propagates in relation to Earth. The four types are:
, 1. vertical
2. horizontal
3. right-hand circular
4. left-hand circular
What are three common types of communications links? correct answers 1. Simplex - 1 direction
only (transmit or receive)
2. Half Duplex - 2 directions, 1 at a time
3. Full Duplex - 2 directions, both at a time
What are three types of multiple access used in radio communications? correct answers 1.
FDMA (Frequency Division Multiple Access)
2. TDMA (Time Division Multiple Access)
3. SSMA (Spread Spectrum Multiple Access)
What are the three most common modulation methods used in digital communications? correct
answers 1. Amplitude Shift Keying
2. Frequency Shift Keying
3. Phase Shift Keying
What is a modem? correct answers Modem (modulator/demodulator) converts digital data into
analog wave forms, and vice versa.
What is a multiplexer? Discuss the common multiplexers in naval communications correct
answers Multiplexer enables multiple circuits in a single channel. Navy uses include: DAMA,
TIP, T1
What are the two types of cryptography? correct answers 1. Symmetric - 1 key for both
encrypting and decrypting
Define C4I correct answers Computers, Communications, Command and Control, Intelligence
Define FORCEnet correct answers FORCEnet is Navy's input into DODIN
Which networks, applications, and transport links enable information superiority? correct
answers Networks: IT-21 (afloat), NMCI/ONE-NET, DISN
Applications: GCCS-M, NTCSS, Tomahawk, Chat
Transport: Communications (SHF, EHF)
Discuss some of the communications systems that support IT-21 goals. correct answers IDNS,
ADNS, SCI networks, SHF, DMR, GCCS-M, NMT
What are some of the applications that support both tactical and non-tactical missions? correct
answers Non-tactical: NTCSS
Tactical: links, GCCS, Tomahawk
What is the mission of CIWT? correct answers The mission of CIWT is to train IT's and IP's.
Discuss the relationship between frequency, wavelength, propagation distance, and data capacity
(bandwidth) correct answers Frequency: Up
Wavelength: Down
Antenna size: Down
Propagation distance: Down
Data capacity: Up
What is polarization and what are four common types? correct answers Polarization is how the
wave propagates in relation to Earth. The four types are:
, 1. vertical
2. horizontal
3. right-hand circular
4. left-hand circular
What are three common types of communications links? correct answers 1. Simplex - 1 direction
only (transmit or receive)
2. Half Duplex - 2 directions, 1 at a time
3. Full Duplex - 2 directions, both at a time
What are three types of multiple access used in radio communications? correct answers 1.
FDMA (Frequency Division Multiple Access)
2. TDMA (Time Division Multiple Access)
3. SSMA (Spread Spectrum Multiple Access)
What are the three most common modulation methods used in digital communications? correct
answers 1. Amplitude Shift Keying
2. Frequency Shift Keying
3. Phase Shift Keying
What is a modem? correct answers Modem (modulator/demodulator) converts digital data into
analog wave forms, and vice versa.
What is a multiplexer? Discuss the common multiplexers in naval communications correct
answers Multiplexer enables multiple circuits in a single channel. Navy uses include: DAMA,
TIP, T1
What are the two types of cryptography? correct answers 1. Symmetric - 1 key for both
encrypting and decrypting
