JTIDS - Post Test 2 Questions & Answers
Verified 100% Correct
What JTIDS/MIDS protocol dictates that platforms take turns transmitting and
receiving data according to time? - ANSWER *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? - ANSWER *NOT* Conditional Relay
A ___________ is a group of participants, or terminals, in synchronization sharing a
common understanding of timeslot boundaries. - ANSWER JTIDS/MIDS Network
What JTIDS/MIDS net numbers are used to differentiate frequency-hopping patterns?
- ANSWER *NOT* 1 - 177
Which JTIDS/MIDS access mode allows only one unit to transmit per timeslot and goes
unused if that specific participant has no data to transmit? - ANSWER Dedicated access
Which JTIDS/MIDS access mode can be either operator-controlled or machine-
controlled? - ANSWER Contention access
Which JTIDS/MIDS access mode allows units to automatically and dynamically
assign surveillance capacity based on platform need? - ANSWER *NOT* Contention
access
How many timeslots are in a frame in Link 16 communications? - ANSWER 1,536
, Which of the following is a characteristic of a JTIDS/MIDS pulse? - ANSWER *NOT* Each
pulse is 13 microseconds in duration
Each JTIDS/MIDS transmissions contains a ____________ pulse stream. - ANSWER
*NOT* 72, 255 or 444
What portion of the electromagnetic spectrum do Link 16 terminals operate? -
ANSWER *NOT* 225 - 400 MHz frequency band
*NOT* 175 - 255 MHz frequency band
Link 16 jam resistance is defined in what two ways? - ANSWER *NOT* Hopping
pattern and network design
Which Link 16 jam resistance characteristic defines the power output needed to jam
Link 16 communications at equal distances? - ANSWER *NOT* Timeslot Duty Factor
(TSDF)
A link margin value of 21dB will force an enemy jammer using equal power to get
within how many miles of a receiving terminal if the transmitting terminal is 60 miles
away? - ANSWER *NOT* 15 miles or 1/4 the distance
What technique is used by Link 16 terminals to correct errors and erasures in a
message in order to pass uncorrupted data to the host system? - ANSWER *NOT*
Electromagnetic Compatibility (EMC)
*NOT* Message Security (MSEC)
Which JTIDS/MIDS access technique gives two or more platforms the same time
slot, net, and TSEC crypto in which to transmit because they have no requirement to
exchange information? - ANSWER Dedicated Timeslot Reuse
Verified 100% Correct
What JTIDS/MIDS protocol dictates that platforms take turns transmitting and
receiving data according to time? - ANSWER *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? - ANSWER *NOT* Conditional Relay
A ___________ is a group of participants, or terminals, in synchronization sharing a
common understanding of timeslot boundaries. - ANSWER JTIDS/MIDS Network
What JTIDS/MIDS net numbers are used to differentiate frequency-hopping patterns?
- ANSWER *NOT* 1 - 177
Which JTIDS/MIDS access mode allows only one unit to transmit per timeslot and goes
unused if that specific participant has no data to transmit? - ANSWER Dedicated access
Which JTIDS/MIDS access mode can be either operator-controlled or machine-
controlled? - ANSWER Contention access
Which JTIDS/MIDS access mode allows units to automatically and dynamically
assign surveillance capacity based on platform need? - ANSWER *NOT* Contention
access
How many timeslots are in a frame in Link 16 communications? - ANSWER 1,536
, Which of the following is a characteristic of a JTIDS/MIDS pulse? - ANSWER *NOT* Each
pulse is 13 microseconds in duration
Each JTIDS/MIDS transmissions contains a ____________ pulse stream. - ANSWER
*NOT* 72, 255 or 444
What portion of the electromagnetic spectrum do Link 16 terminals operate? -
ANSWER *NOT* 225 - 400 MHz frequency band
*NOT* 175 - 255 MHz frequency band
Link 16 jam resistance is defined in what two ways? - ANSWER *NOT* Hopping
pattern and network design
Which Link 16 jam resistance characteristic defines the power output needed to jam
Link 16 communications at equal distances? - ANSWER *NOT* Timeslot Duty Factor
(TSDF)
A link margin value of 21dB will force an enemy jammer using equal power to get
within how many miles of a receiving terminal if the transmitting terminal is 60 miles
away? - ANSWER *NOT* 15 miles or 1/4 the distance
What technique is used by Link 16 terminals to correct errors and erasures in a
message in order to pass uncorrupted data to the host system? - ANSWER *NOT*
Electromagnetic Compatibility (EMC)
*NOT* Message Security (MSEC)
Which JTIDS/MIDS access technique gives two or more platforms the same time
slot, net, and TSEC crypto in which to transmit because they have no requirement to
exchange information? - ANSWER Dedicated Timeslot Reuse
