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Exam · US FTTH installer
Pass mark 75%. Sign in with your staff account to record the result.
1. Which device terminates the fiber at the customer and gives Ethernet?
The FDH
The OLT
The ONT
2. What must be checked before activating an ONT?
Optical power at the ONT is in range
The Wi-Fi password
The paint colour
3. What happens if the wrong ONT serial is registered?
Nothing
The OLT never authenticates it — no service
It works faster
4. Where does an aerial drop start?
At the customer’s router
At the OLT
At the FDT on the pole
5. What is the last test before handing over?
An internet and speed test
A paint check
A ladder check
6. LOS is red on the ONT. What does it mean?
No light is reaching the ONT
The bill is unpaid
The Wi-Fi is off
7. Which tool tells you the distance to a fiber break?
The crimper
The power meter
The OTDR
8. Many ONTs on the same PON went down together. The fault is probably…
The customers’ phones
In shared infrastructure (feeder, splitter, OLT)
In each house
9. A slow-speed ticket is closed when…
The customer stops calling
A speed test reaches at least 80% of the plan
The router is rebooted
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