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There has been a reduction in the available bandwidth of an important Cable Broadband connection. Which of the following can be the cause of this decrease?
There is a problem is the telephone infrastructure.
Committed Information Rate.
Distance from the Central Office "CO" of the provider to the user.
Number of subscribers.
If there is an increase in the number of subscribers there will be an increase in the utilized bandwidth. To increase the available bandwidth in a Cable broadband connection the number of users must be reduced (Or the available bandwidth must be increased). Committed Information Rate or CIR is used in Frame Relay network and is the average bandwidth allowed for a Virtual Circuit guaranteed by the ISP to work under normal conditions. The distance should not affect the bandwidth as long as the design is correct. ADSL and DSL work under the telephone infrastructure while Cable works under the Coaxial Cable infrastructure.
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