JTIDS- Post Test 2
Which of the following is a function provided by the Link 16 terminal's JREAP C
connection? - Correct Answers -J-Series messages using JREAP C protocol
How many frames are in an epoch in Link 16 communications? - Correct Answers -
*NOT* 112.5
What are the two types of JTIDS/MIDS RF connectivity? - Correct Answers -Direct
connectivity and indirect connectivity
Link 16 line-of-sight connectivity is limited by what type of signal propagation? - Correct
Answers -Direct wave propagation
Which JTIDS/MIDS access mode is designed for all Network Participation Groups
(NPGs) but is currently used only for NPG 7 Surveillance? - Correct Answers -Timeslot
Reallocation (TSR)
The ____________ pseudo-randomly assigns a center frequency to each pulse. -
Correct Answers -Transmission Security (TSEC) crypto variable
Which of the following IS NOT true about a JTIDS/MIDS pulse stream? - Correct
Answers -Incompatible with the National Airspace System (NAS)
To prevent interference with the _______________there are buffer zones within the
JTIDS/MIDS frequency band. - Correct Answers -*NOT* Emergency Position Indicating
Radio Beacon (EPIRB)
*NOT* Military UHF band
Which JTIDS/MIDS access technique allows a common group of timeslots to be used
for the same function but on different operating selectable nets? - Correct Answers -
Stacked Nets
Which JTIDS/MIDS access technique is not operator selectable and allows different
groups of users to exchange information in different Network Participation Groups
(NPGs)? - Correct Answers -Multi-nets
Which of the following IS NOT determined by the Transmission Security (TSEC)
variable in Link 16? - Correct Answers -*NOT* Symbol interleaving start point
, In which Link 16 security mode is a discrete Crypto Variable Logic Labels (CVLLs)
assigned to only the TSEC which is used for message encryption as well? - Correct
Answers -*NOT* Partition Variable Mode (PVM)
What numbers are used by a network designer as Crypto Variable Logic Labels
(CVLLs)? - Correct Answers -1 - 127
Which of the following is a purpose of the Network Description Document (NDD)
COMSEC Cross Reference Table? - Correct Answers -Assigns Crypto Variable Logic
Labels (CVLLs) to Secure Data Unit (SDU) locations for each platform
The JANUS Table can be used to determine the _______________ for a specific
calendar day. - Correct Answers -Current Crypto Period Designator (CCPD)
TRUE or FALSE: MIDS Step Down requires that fighters load no more than two crypto
keys for each network. - Correct Answers -True
Which OPTASK LINK set allows the JICO to provide whether a specific date is a 0 or 1
day? - Correct Answers -*NOT* JCRYPDAT
All Link 16 equipped systems must have an approved __________ entry in order to
operate. - Correct Answers -DD Form 1494
What measurement is used to express the pulse density of all Link 16 transmissions in
a 12 second frame? - Correct Answers -Time Slot Duty Factor (TSDF)
Which source document is used to determine foreign JTIDS/MIDS EMC restrictions? -
Correct Answers -JTIDS/MIDS Multinational Ad Hoc Spectrum Support Working Group
Notebook
Which of the following MIDS LVTs can transmit at 1000 watts and is also known as
MIDS-on-Ship (MOS)? - Correct Answers -MIDS LVT (5)
What is the purpose of a Link 16 terminal's Secure Data Unit (SDU)? - Correct Answers
-*NOT* Stores Initialization Data Load (IDL) files
What JTIDS/MIDS protocol dictates that platforms take turns transmitting and receiving
data according to time? - Correct Answers -*NOT* Joint Range Extension Application
Protocol (JREAP)
*NOT* Code Division Multiple Access (CDMA)
Which type of relay requires only that at least one platform be assigned relay timeslots
and has enabled the relay function? - Correct Answers -*NOT* Conditional Relay
Which of the following is a function provided by the Link 16 terminal's JREAP C
connection? - Correct Answers -J-Series messages using JREAP C protocol
How many frames are in an epoch in Link 16 communications? - Correct Answers -
*NOT* 112.5
What are the two types of JTIDS/MIDS RF connectivity? - Correct Answers -Direct
connectivity and indirect connectivity
Link 16 line-of-sight connectivity is limited by what type of signal propagation? - Correct
Answers -Direct wave propagation
Which JTIDS/MIDS access mode is designed for all Network Participation Groups
(NPGs) but is currently used only for NPG 7 Surveillance? - Correct Answers -Timeslot
Reallocation (TSR)
The ____________ pseudo-randomly assigns a center frequency to each pulse. -
Correct Answers -Transmission Security (TSEC) crypto variable
Which of the following IS NOT true about a JTIDS/MIDS pulse stream? - Correct
Answers -Incompatible with the National Airspace System (NAS)
To prevent interference with the _______________there are buffer zones within the
JTIDS/MIDS frequency band. - Correct Answers -*NOT* Emergency Position Indicating
Radio Beacon (EPIRB)
*NOT* Military UHF band
Which JTIDS/MIDS access technique allows a common group of timeslots to be used
for the same function but on different operating selectable nets? - Correct Answers -
Stacked Nets
Which JTIDS/MIDS access technique is not operator selectable and allows different
groups of users to exchange information in different Network Participation Groups
(NPGs)? - Correct Answers -Multi-nets
Which of the following IS NOT determined by the Transmission Security (TSEC)
variable in Link 16? - Correct Answers -*NOT* Symbol interleaving start point
, In which Link 16 security mode is a discrete Crypto Variable Logic Labels (CVLLs)
assigned to only the TSEC which is used for message encryption as well? - Correct
Answers -*NOT* Partition Variable Mode (PVM)
What numbers are used by a network designer as Crypto Variable Logic Labels
(CVLLs)? - Correct Answers -1 - 127
Which of the following is a purpose of the Network Description Document (NDD)
COMSEC Cross Reference Table? - Correct Answers -Assigns Crypto Variable Logic
Labels (CVLLs) to Secure Data Unit (SDU) locations for each platform
The JANUS Table can be used to determine the _______________ for a specific
calendar day. - Correct Answers -Current Crypto Period Designator (CCPD)
TRUE or FALSE: MIDS Step Down requires that fighters load no more than two crypto
keys for each network. - Correct Answers -True
Which OPTASK LINK set allows the JICO to provide whether a specific date is a 0 or 1
day? - Correct Answers -*NOT* JCRYPDAT
All Link 16 equipped systems must have an approved __________ entry in order to
operate. - Correct Answers -DD Form 1494
What measurement is used to express the pulse density of all Link 16 transmissions in
a 12 second frame? - Correct Answers -Time Slot Duty Factor (TSDF)
Which source document is used to determine foreign JTIDS/MIDS EMC restrictions? -
Correct Answers -JTIDS/MIDS Multinational Ad Hoc Spectrum Support Working Group
Notebook
Which of the following MIDS LVTs can transmit at 1000 watts and is also known as
MIDS-on-Ship (MOS)? - Correct Answers -MIDS LVT (5)
What is the purpose of a Link 16 terminal's Secure Data Unit (SDU)? - Correct Answers
-*NOT* Stores Initialization Data Load (IDL) files
What JTIDS/MIDS protocol dictates that platforms take turns transmitting and receiving
data according to time? - Correct Answers -*NOT* Joint Range Extension Application
Protocol (JREAP)
*NOT* Code Division Multiple Access (CDMA)
Which type of relay requires only that at least one platform be assigned relay timeslots
and has enabled the relay function? - Correct Answers -*NOT* Conditional Relay