题目
clock.
第1题
l field must be selected.
第2题
A.A.map downstream service E1 signal to STM-1 signal; map downstream service FE signal to STM-1 signal
B.B.map downstream service FE signal to STM-1 signal; map downstream service E1 signal to STM-1 signal
C.C.map downstream service E1 signal to FE signal; map downstream service FE signal to STM-1 signal
D.D.map downstream service FE signal to STM-1 signal; map downstream service FE signal to STM-1 signal
第5题
A.ZXCTN 6300支持2×16路E1接口1:2的TPS支路保护功能
B.ZXCTN 6220最大可以支持63路E1的1:1保护
C.ZXCTN 6320 V2.10系统,支持63路E1接口1:2的TPS支路保护功能
D.ZXCTN 6100与ZXCTN 6110都支持TPS保护
第9题
A.A.Currently, PW dual-homing supports two kinds of services: ETH service and E1 servic
B.B.PW dual-homing of ETH/E1 service supports PW1:1, PW1+1.
C.C.PW dual-homing of E1 service only supports PW1+1. ETH service supports PW1:1,PW1+1.
D.D.PW dual-homing of ETH service only supports PW1+1. E1 service supports PW1:1, PW1+1.
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