TBS PHASE 1 EXAM QUESTIONS AND
ANSWERS
Given-a-tactical-scenario-with-a-mission-and-scheme-of-maneuver,-select-communication-
assets-that-will-enable-command-and-control-to-support-the-scheme-of-maneuver.
What-does-FIRST-S-Stand-for-in-Communications?---ans-✔✔o-Flexibility
o-Interoperability
o-Reliability
o-Security
o-Timeliness
o-Survivability
Given-a-tactical-scenario-with-a-mission-and-scheme-of-maneuver,-select-communication-
assets-that-will-enable-command-and-control-to-support-the-scheme-of-maneuver.
Goal-of-Comms?---ans-✔✔To-manage-massive-flows-of-info-IOT-provide-commanders-
with-only-the-info-needed-to-be-effective,-while-giving-access-to-wider-flows-of-info-when-
necessary.
Given-a-tactical-scenario-with-a-mission-and-scheme-of-maneuver,-select-communication-
assets-that-will-enable-command-and-control-to-support-the-scheme-of-maneuver.
Role-of-Tactical-Comms---ans-✔✔Must-be-capable-of-facilitating-speed-and-tempo,-while-
dealing-with-the-problems-of-uncertainty-and-time.-Ultimately,-it-must-allow-info-to-pass-
throughout-all-levels-of-the-MAGTF.
Given-a-tactical-scenario-with-a-mission-and-scheme-of-maneuver,-select-communication-
assets-that-will-enable-command-and-control-to-support-the-scheme-of-maneuver.
AN/PRC-117F---ans-✔✔VHF,-UHF,-and-SATCOM-Capable
-Highly-Portable
-VHF-Range:-0-10Km
-UHF-Range:-20Km-LOS
Given-a-tactical-scenario-with-a-mission-and-scheme-of-maneuver,-select-communication-
assets-that-will-enable-command-and-control-to-support-the-scheme-of-maneuver.
, AN/PRC-152---ans-✔✔Highly-Portable
-Max-effective-range=5-7km
Given-a-tactical-communications-scenario,-select-the-correct-frequency-spectrum-to-
enable-tactical-communications.
High-Frequency-(HF)---ans-✔✔2-29.99-MHz
-Used-for-long-distance-comms-when-SATCOM-is-unavailable
Given-a-tactical-communications-scenario,-select-the-correct-frequency-spectrum-to-
enable-tactical-communications.
Very-High-Frequency-(VHF)---ans-✔✔30-89.99-MHz
-Range-extends-slightly-beyond-Line-of-Sight-(Approximately-50km)
-Most-widely-used-in-Infantry-Battalions-for-ground-to-ground-comms
Given-a-tactical-communications-scenario,-select-the-correct-frequency-spectrum-to-
enable-tactical-communications.
Ultra-High-Frequency-(UHF)---ans-✔✔225-511.99-MHz
-Used-for-ground-to-air-comms
-Range=Approximately-500km-when-communicating-with-aircraft-if-aircraft-is-within-Line-
of-Sight
-Cannot-bend-around-obstacles;-therefore,-is-not-good-for-ground-comms
Given-a-tactical-communications-scenario,-select-the-correct-frequency-spectrum-to-
enable-tactical-communications.
SATCOM---ans-✔✔Used-for-long-range-tactical-comms,-both-voice-and-data
Given-a-tactical-communications-scenario,-select-the-correct-frequency-spectrum-to-
enable-tactical-communications.
Order-of-Comms-in-distance-shortest-to-farthest---ans-✔✔VHF,-UHF,-HF,-SATCOM
Given-a-tactical-scenario,-explain-how-multiple-radio-nets-can-be-employed-to-enable-
command-and-control.
Explain-how-multiple-radio-nets-can-be-employed-to-use-command-and-control.---ans-
✔✔Multiple-radio-nets-allow-for-assets-within-a-specialized-field/task-to-communicate-
with-each-other-freely.-By-employing-multiple-nets,-no-one-net-becomes-clogged-with-
traffic.-Furthermore,-the-use-of-multiple-nets-builds-redundancies-into-the-system,-
allowing-for-contingencies-in-the-case-of-a-comms-failure.-Every-comms-plan-should-
implement-the-PACE-principle,-with-a-Primary,-Alternate,-Contingency,-and-Emergency-
comms-plan.
ANSWERS
Given-a-tactical-scenario-with-a-mission-and-scheme-of-maneuver,-select-communication-
assets-that-will-enable-command-and-control-to-support-the-scheme-of-maneuver.
What-does-FIRST-S-Stand-for-in-Communications?---ans-✔✔o-Flexibility
o-Interoperability
o-Reliability
o-Security
o-Timeliness
o-Survivability
Given-a-tactical-scenario-with-a-mission-and-scheme-of-maneuver,-select-communication-
assets-that-will-enable-command-and-control-to-support-the-scheme-of-maneuver.
Goal-of-Comms?---ans-✔✔To-manage-massive-flows-of-info-IOT-provide-commanders-
with-only-the-info-needed-to-be-effective,-while-giving-access-to-wider-flows-of-info-when-
necessary.
Given-a-tactical-scenario-with-a-mission-and-scheme-of-maneuver,-select-communication-
assets-that-will-enable-command-and-control-to-support-the-scheme-of-maneuver.
Role-of-Tactical-Comms---ans-✔✔Must-be-capable-of-facilitating-speed-and-tempo,-while-
dealing-with-the-problems-of-uncertainty-and-time.-Ultimately,-it-must-allow-info-to-pass-
throughout-all-levels-of-the-MAGTF.
Given-a-tactical-scenario-with-a-mission-and-scheme-of-maneuver,-select-communication-
assets-that-will-enable-command-and-control-to-support-the-scheme-of-maneuver.
AN/PRC-117F---ans-✔✔VHF,-UHF,-and-SATCOM-Capable
-Highly-Portable
-VHF-Range:-0-10Km
-UHF-Range:-20Km-LOS
Given-a-tactical-scenario-with-a-mission-and-scheme-of-maneuver,-select-communication-
assets-that-will-enable-command-and-control-to-support-the-scheme-of-maneuver.
, AN/PRC-152---ans-✔✔Highly-Portable
-Max-effective-range=5-7km
Given-a-tactical-communications-scenario,-select-the-correct-frequency-spectrum-to-
enable-tactical-communications.
High-Frequency-(HF)---ans-✔✔2-29.99-MHz
-Used-for-long-distance-comms-when-SATCOM-is-unavailable
Given-a-tactical-communications-scenario,-select-the-correct-frequency-spectrum-to-
enable-tactical-communications.
Very-High-Frequency-(VHF)---ans-✔✔30-89.99-MHz
-Range-extends-slightly-beyond-Line-of-Sight-(Approximately-50km)
-Most-widely-used-in-Infantry-Battalions-for-ground-to-ground-comms
Given-a-tactical-communications-scenario,-select-the-correct-frequency-spectrum-to-
enable-tactical-communications.
Ultra-High-Frequency-(UHF)---ans-✔✔225-511.99-MHz
-Used-for-ground-to-air-comms
-Range=Approximately-500km-when-communicating-with-aircraft-if-aircraft-is-within-Line-
of-Sight
-Cannot-bend-around-obstacles;-therefore,-is-not-good-for-ground-comms
Given-a-tactical-communications-scenario,-select-the-correct-frequency-spectrum-to-
enable-tactical-communications.
SATCOM---ans-✔✔Used-for-long-range-tactical-comms,-both-voice-and-data
Given-a-tactical-communications-scenario,-select-the-correct-frequency-spectrum-to-
enable-tactical-communications.
Order-of-Comms-in-distance-shortest-to-farthest---ans-✔✔VHF,-UHF,-HF,-SATCOM
Given-a-tactical-scenario,-explain-how-multiple-radio-nets-can-be-employed-to-enable-
command-and-control.
Explain-how-multiple-radio-nets-can-be-employed-to-use-command-and-control.---ans-
✔✔Multiple-radio-nets-allow-for-assets-within-a-specialized-field/task-to-communicate-
with-each-other-freely.-By-employing-multiple-nets,-no-one-net-becomes-clogged-with-
traffic.-Furthermore,-the-use-of-multiple-nets-builds-redundancies-into-the-system,-
allowing-for-contingencies-in-the-case-of-a-comms-failure.-Every-comms-plan-should-
implement-the-PACE-principle,-with-a-Primary,-Alternate,-Contingency,-and-Emergency-
comms-plan.
