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Exam · US central office & NOC
Pass mark 75%. Sign in with your staff account to record the result.
1. What does the OLT do?
Lights the PON and authenticates ONTs
Measures customer power
Hosts websites
2. What is an ODF for?
Billing
Cooling the room
Terminating and patching fiber to equipment
3. Which protocol exchanges routes with other networks at the internet edge?
Wi-Fi
DHCP
BGP
4. What does a BNG handle?
Splicing
Pole climbing
Subscriber sessions, IP assignment and policies
5. Why are aggregation links redundant?
For decoration
To use more power
So one failure doesn’t take an area down
6. Many ONTs on one PON drop together. Likely cause?
Bad weather on phones
Every customer unplugged their ONT
A shared fault: cut, splitter, OLT port or power
7. What helps find where a fault is on the ground?
Guessing
Inventory and GIS records
Customer reviews
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