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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 ONT has light and an active service
The ONT is blue
The router is on
2. Where are customer drops connected to the network?
The gas meter
The distribution point (CBT) on the pole
The street light
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?
Somewhere back towards the cabinet/OLT
In the TV
In the router
5. What joins two fibres?
Tape
A fusion splice
Glue
6. Where does the light in the network start?
The ONT
The router
The OLT in the exchange
7. A new DP shows no light. The first thing to do is…
Test with the light meter / OTDR to find the break
Replace the customer's router
Wait
8. What protects splices where cables meet?
A bag
Tape
A splice enclosure / joint
9. A fibre installation job is checked by…
Phone calls
The metres of cable you laid after accepting
The colour of the van
10. How many homes does a typical CBT serve?
4–8
1
500
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