SONET Path Terminating Equipment (PTE) requires which three line codes to be supported for DS1 and DS3 circuits?() (Choose three.)

A . AMI B . ESF C . DUS D . SSM E . B3ZS F . B8ZS

时间:2022-09-03 03:46:31 所属题库:CCNP(642-311)题库

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