Which of the follow do not belong to the customer?
A.) CO
B.) DCE
C.) Router
D.) CPE
E.) Demarc
F.) DTE
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Answer: A E
Central Office (CO) - A switching facility that provides the
nearest
point of presence for a provider's WAN service.
Demarcation (Demarc) - The point at which the CPE ends and
the local
loop portion of the service begins. Usually the
telecommunications
closet at the subscriber's location.
CPE, DTE, DCE, and the router are all typically owned by the
customer.
DTE devices are usually routers, DCE devices are CSUs/DSUs,
or WAN
interfaces that have a built in CSU/DSU in the router. CPE
stands for
Customer Premise Equipment.
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