TELCOMA Certified NTN Specialist

What's assessed

5 domains, 35 questions in total — drawn from the course lessons.

• From 'high and fast' to a number you can compute

  7 questions

  Separating the two properties of an orbiting cell and their four consequences, placing a satellite claim on the standards lane or the product lane, naming what timing advance, the repeat-request scheme and Doppler tracking each silently assume, and computing slant range from an elevation angle.

• Geometry, payloads and the budget that decides the service

  7 questions

  What altitude buys and charges across coverage, delay, pass duration and fleet size; where the gNB sits in a transparent or regenerative payload and which legs the round trip spans; and the link budget in both directions, ending in the mapping from a ratio to a service.

• Making the radio work at 600 km

  7 questions

  The three preconditions a handset must hold before a satellite cell will let it transmit, who pre-compensates Doppler on which leg, the four terms of timing advance and who owns each, why random access fails first, and what disabling HARQ feedback actually moves.

• Cells that move, and the network that follows them

  7 questions

  The three ways a beam meets the ground and what each forces; three different things called a switch; handover triggered on distance and a clock as well as a measurement; the grid for returning to terrestrial; and resolving a moving cell onto fixed ground.

• What is flying, what is specified, and what to track

  7 questions

  The two spectrum routes to orbit and what secondary status commits a system to, where each lane places the correction, what one beam can honestly carry once divided, the machine-type business already shipping, network selection and roaming, and the three parallel release tracks.