©THEBRIGHTSTARS 2024
Introduction to Joint Multi-TDL Network
(MTN) Operations JT101 (Post Test 2) Exam
Questions With Correct Answers.
1) Which type of relay requires only that at least one platform be assigned relay timeslots and
has enabled the relay function? - answer✔Unconditional Relay
2) Which of the following are advantages of Indirect (Relay) connectivity? Select all that apply.
[Remediation Accessed :N] - answer✔Extends the connectivity beyond LOS
(Selected) Increases overall anti-jam strength through increased signal level at the receiver
(Selected) Provides a robust connectivity through multiple paths
(Selected) Multiplies the time slot requirements (the relayed message needs a time slot to be
transmitted in)
(Selected)Increased Time Slot Duty Factor (TSDF)
Wrong
3) How many JTIDS/MIDS net numbers are there? - answer✔127
4) What are the two types of Link 16 capacity? Select all that apply. [Remediation Accessed :N]
- answer✔Net capacity
Terminal capacity
Wrong
, ©THEBRIGHTSTARS 2024
5) 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
6) Which JTIDS/MIDS access mode allows multiple participants to share common timeslots
using the same net resulting in receivers hearing the closest transmitter? - answer✔Contention
access
7) Which JTIDS/MIDS access mode allows units to automatically and dynamically assign
surveillance capacity based on platform need? - answer✔Timeslot Reallocation (TSR)
8) Which JTIDS/MIDS access technique requires the assignment of a net number of 1 - 126 in
the OPTASK LINK but is identified as the specific access mode in the Network Description
Document (NDD) as net 127? - answer✔Stacked Nets
9) Which JTIDS/MIDS access technique is not operator selectable and allows different groups of
users to exchange information in different Network Participation Groups (NPGs)? -
answer✔Multi-nets
10) 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
11) Which of the following is determined by the Message Security (MSEC) variable in Link 16?
- answer✔Encryption and decryption of message data
12) In which Link 16 security mode are discrete Crypto Variable Logic Labels (CVLLs)
assigned to both TSEC and MSEC? - answer✔Partition Variable Mode (PVM)
13) What numbers are used by a network designer as Crypto Variable Logic Labels (CVLLs)? -
answer✔1 - 127
14) Which are NOT methods that can be used to deconflict Link 16 networks? Select all that
apply. [Remediation Accessed :N] - answer✔Using unique TSEC crypto keys for the main net
Using different Initialization Data Load (IDL) files
Sufficient Geographic separation
Employing a network time offset
Wrong
15) Which of the following IS NOT a factor when choosing crypto key for a network? Select all
that apply. - answer✔Employment of Dedicated Timeslot Reuse
Introduction to Joint Multi-TDL Network
(MTN) Operations JT101 (Post Test 2) Exam
Questions With Correct Answers.
1) Which type of relay requires only that at least one platform be assigned relay timeslots and
has enabled the relay function? - answer✔Unconditional Relay
2) Which of the following are advantages of Indirect (Relay) connectivity? Select all that apply.
[Remediation Accessed :N] - answer✔Extends the connectivity beyond LOS
(Selected) Increases overall anti-jam strength through increased signal level at the receiver
(Selected) Provides a robust connectivity through multiple paths
(Selected) Multiplies the time slot requirements (the relayed message needs a time slot to be
transmitted in)
(Selected)Increased Time Slot Duty Factor (TSDF)
Wrong
3) How many JTIDS/MIDS net numbers are there? - answer✔127
4) What are the two types of Link 16 capacity? Select all that apply. [Remediation Accessed :N]
- answer✔Net capacity
Terminal capacity
Wrong
, ©THEBRIGHTSTARS 2024
5) 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
6) Which JTIDS/MIDS access mode allows multiple participants to share common timeslots
using the same net resulting in receivers hearing the closest transmitter? - answer✔Contention
access
7) Which JTIDS/MIDS access mode allows units to automatically and dynamically assign
surveillance capacity based on platform need? - answer✔Timeslot Reallocation (TSR)
8) Which JTIDS/MIDS access technique requires the assignment of a net number of 1 - 126 in
the OPTASK LINK but is identified as the specific access mode in the Network Description
Document (NDD) as net 127? - answer✔Stacked Nets
9) Which JTIDS/MIDS access technique is not operator selectable and allows different groups of
users to exchange information in different Network Participation Groups (NPGs)? -
answer✔Multi-nets
10) 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
11) Which of the following is determined by the Message Security (MSEC) variable in Link 16?
- answer✔Encryption and decryption of message data
12) In which Link 16 security mode are discrete Crypto Variable Logic Labels (CVLLs)
assigned to both TSEC and MSEC? - answer✔Partition Variable Mode (PVM)
13) What numbers are used by a network designer as Crypto Variable Logic Labels (CVLLs)? -
answer✔1 - 127
14) Which are NOT methods that can be used to deconflict Link 16 networks? Select all that
apply. [Remediation Accessed :N] - answer✔Using unique TSEC crypto keys for the main net
Using different Initialization Data Load (IDL) files
Sufficient Geographic separation
Employing a network time offset
Wrong
15) Which of the following IS NOT a factor when choosing crypto key for a network? Select all
that apply. - answer✔Employment of Dedicated Timeslot Reuse
