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
正确答案:A,E,F
答案解析:有
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思科认证考试
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SONET Path Terminating Equipment (PTE) requires which three line codes to be supported for DS1 and DS3 circuits?（） (Choose three.)
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