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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?
Hosts websites
Measures customer power
Lights the PON and authenticates ONTs
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?
BGP
Wi-Fi
DHCP
4. What does a BNG handle?
Pole climbing
Subscriber sessions, IP assignment and policies
Splicing
5. Why are aggregation links redundant?
So one failure doesn’t take an area down
To use more power
For decoration
6. Many ONTs on one PON drop together. Likely cause?
Every customer unplugged their ONT
A shared fault: cut, splitter, OLT port or power
Bad weather on phones
7. What helps find where a fault is on the ground?
Customer reviews
Inventory and GIS records
Guessing
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