[Cisco 640-878]Which two statements about carrier-grade NAT are true?

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#1

Which two statements about carrier-grade NAT are true? (Choose two.)

A. It conserves IPv4 addresses.
B. A service provider issues private IP addresses to its customers.
C. A service provider translates the private IP address of its customer to another private IP address.
D. It is implemented on the CE and PE routers.
E. It is designed to simplify IPv6 addressing.

Answer: AB

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