AT&T Network History
What did they call the divided regional holding companies that were formerly bell?
Baby Bells
In wireline ___ refers to physical fiber cabling transport.
Backbone
________ is the unit of loss over distance.
Attenuation
The Wireless network supports ______ and other mobile devices.
cellular phones
What year did the government sue Bell?
1974
Fiber directly deployed to small businesses and residential buildings is called?
Fiber to Node or FTTN
What are the two regions of optical fiber?
Core and cladding
The _________ routes cellular traffic to the correct location through the core network.
MTSO
What does AT&T stand for?
American Telephone & Telegraph
CBB nodes are only owned by AT&T? T/F
false, some are 3rd party owned
What are 2 of the 3 ways fiber can be installed?
Buried underground, strung aerially between poles, or placed into a pipe/conduit
What does MTSO stand for?
Mobile telephone switching office
How many Baby Bells were there?
7
CBB nodes include what 2 types of node?
Private and Public Cloud Data Centers
Fiber optics utilize four main components, name 3 of them.
laser diodes, silica glass, optical simplifiers, and photo detectors
When you use your cell phone, that signal flows over the air to a _____ using radio frequencies.
Cell site