题目内容
（请给出正确答案）
[单选题]
In PTN sync network, sync Ethernet can realize sync of（).
A.phase
B.frequency
C.time
D.amplitude
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.phase
B.frequency
C.time
D.amplitude
如果结果不匹配，请 联系老师 获取答案
更多“In PTN sync network, sync Ethe…”相关的问题
rrect？ ()
A.Implementation of the whole network time sync can rely on 1588 function completely.
B.Sync Ethernet SSM can only realize frequency sync but not phase sync.
C.Real time sync includes not only frequency sync but also phase sync.
D.Time sync deployed in the existing network can be implemented by sync Ethernet SSM frequency plus phase sync of 1588 protocol.
A.GSM doesn't demand time syn
B.WCDMA network doesn't demand time syn
C.TD-CDMA network demands time syn
D.CDMA2000 demands time syn
E.
A.NNI side lines of the devices at two ends are wrongly connecte
B.Time sync related configurations of the devices at two ends are incorrect.
C.MAC addresses of the devices at two ends are the sam
D.Clock source configurations of the two devices are incorrect.
A.MPLS
B.OAM
C.APM
D.APS
port another ring network protection mode: ().
