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Exam · Fibre splicing & testing
Pass mark 75%. Sign in with your staff account to record the result.
1. What has to be true for the 'ONT online' check?
The router is on
The ONT has light and an active service
The ONT is blue
2. Where are customer drops connected to the network?
The distribution point (CBT) on the pole
The street light
The gas meter
3. What happens automatically when a new-line job is completed?
Nothing
The line is activated: ONT linked, IPs assigned, first bill taken
The customer is charged twice
4. An ONT is dark. Where is the fault?
In the router
Somewhere back towards the cabinet/OLT
In the TV
5. What joins two fibres?
Tape
Glue
A fusion splice
6. Where does the light in the network start?
The OLT in the exchange
The ONT
The router
7. A new DP shows no light. The first thing to do is…
Wait
Replace the customer's router
Test with the light meter / OTDR to find the break
8. What protects splices where cables meet?
Tape
A bag
A splice enclosure / joint
9. A fibre installation job is checked by…
The colour of the van
The metres of cable you laid after accepting
Phone calls
10. How many homes does a typical CBT serve?
1
500
4–8
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