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A comprehensive set of multiple-choice questions and answers covering various aspects of the link 16 network, including network design, synchronization, message types, and operational procedures. it's a valuable resource for students studying tactical data links and network management systems, offering a practical assessment of their understanding of key concepts and terminology. The questions delve into the details of jtids messages, network time references, and the roles of different network components, making it suitable for both high school and university-level study.
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In which section of MIL-STD-6016 DoD Interface Standard Tactical Data Link (TDL) 16 Message Standard can a complete list of all J-Series messages and legal values be found? - ANSWER Section 5: Detailed Requirements
Who is responsible for activating the RELGRID? - ANSWER NOT NTR
PR
NC
SNC
Each word in a J-Series message is made up of a combination of _____________ that represent(s) specific information such as track number. - ANSWER Data elements
What is the output of the Network Information Exchange Requirements (IER) Definition step in the Network Management System? - ANSWER Link 16 Network Request Form sent to the Network Design Facility (NDF)
What is the purpose of the Network Design step in the Network Management System? - ANSWER Selection, modification, or creation of the network design
How does the U.S. Navy identify network designs? - ANSWER JTIDS Library Number (JNL) and Network Number
What information is meant by platform unique data? - ANSWER Geodetic
data (position), antenna height, cable length, and delay
JTIDS Unit (JU) address and track block numbers
NOT Filter assignments and network roles
Individual Data Load (IDL) and crypto
Where can the network time base for a Link 16 network be found? - ANSWER OPTASK LINK
What are the two types of Link 16 networks called? - ANSWER System Time Reference Network and External Time Reference Network
What is required for a Link 16 terminal to obtain coarse synchronization? - ANSWER Reception of one error free J0.0 Initial Entry Message (IEM)
What is required for a Link 16 terminal to ACTIVELY obtain fine synchronization? - ANSWER Reception of one error free J0.0 Initial Entry Message (IEM)
Reception of three error free J0.0 Initial Entry Message (IEM)
Successful exchange of three Round Trip Timing (RTT) messages
NOT Successful exchange of one Round Trip Timing (RTT) messages
Which statement/statements regarding PPLIs is accurate? - ANSWER NOT In RELNAV operations, a position quality of 0 is the most accurate
The Navigational Controller always reports a position quality of 0
In RELNAV operations, a position quality of 15 is the most accurate
As the position qualities get lower, the error estimates get lower
What document defines Link 16 NPGs and J-Series messages? - ANSWER MIL-STD-6016 DoD Interface Standard Tactical Data Link (TDL) 16 Message Standard
NOT CJCSM 6120.01 Joint Multi-Tactical Data Link Operating Procedures (JMTOP)
Guide to the USMTF Presentation Capabilities Format (PCF) Reports, B.1.02.
System Segment Specification for JTIDS Class 2 Terminal
Which statement/statements is true about the RELGRID? - ANSWER RELGRID operations require all units to use the same GRID ORID
What is the output of the Network Planning step in the Network Management System? - ANSWER OPTASK LINK message
What is the purpose of the Network Initialization step in the Network Management System? - ANSWER Set-up and initialization of Link 16 terminals and host systems to establish the network
OR
Establish and conduct Link 11 network operations
Which of the following IS NOT a consideration in the selection of a Link 16 network design? - ANSWER Provides Satellite Access Authorization
What is the legal Link 16 surveillance track number value range? - ANSWER 00001 - ZZ
Which of the following OPTASK LINK sets IS NOT part of the LNKXVI (Link 16 Segment)? - ANSWER LNKPROT
Where will the operator find the Initialization Data Load (IDL) file assignment for their platform? - ANSWER OPTASK LINK
Which type of Link 16 network is based off GPS time corrected to UTC? - ANSWER External Time Reference Network (ETRN)
System Time Reference Network (STRN)
Relative Time Referenced Network
Secondary User (SU)
OR
Passive unit
Correctly choose the data registration process and its description
a)Process in which a JTIDS/MIDS Unit (JU) monitors and adjusts positional data with information derived through Relative Navigation (RELNAV).
b)Process that corrects alignment of the sensor elements used for the measurement of a tracked object's position.
c)Compares local data to tracks received from a selected IU and applies corrective values to positional data received from that IU. - ANSWER c. Remote IU Registration
a. Geodetic Registration
b. Sensor Registration
If the terminal mode switch is placed in the off position, the __________ are retained but the ___________ are erased. - ANSWER initialization parameters, crypto variables
OR
crypto variables, stacked net assignments
Which statement/statements is true regarding GEOGRID and RELGRID operations? - ANSWER GEOGRID is always present and is based on the World Geodetic System 1984 (WGS-84)
Which statement/statements regarding PPLI processing is accurate? - ANSWER Geometry and time within the link will improve position quality