can the equipment （).

A.show versio

B.show time

C.show this

D.show ru

modes, including(),(), and().

On T3 EMS, protection switching that PTN equipment can support include（),（),（), and pr

otection lock.

A.The connections of two equipment are abnormal.

B.The relative configurations of the time synchronization of two equipment are incorrect.

C.The MAC addresses of two equipment are consistent.

D.The clock source configurations of two equipment are incorrect.

A.TG， TRXC， TX， RX&TS

B.CF， IS， TF， TRXC， TX， RX&TS

C.TG， CF， IS， TF，TRXC， RX， TX&TS

A.Free: 0.5HZ

B.Fast capture: 5HZ

C.Lock: 1HZ

D.Hold: the indicator is ON

A.The PTN equipment supports 1+1 unidirectional path protection and 1:1 bidirectional path protection.

B.1:1 bidirectional path protection supports return mode and non-return mod

C.The protection delay can be configured to be 0-10 s (with the step length of 100 ms).

D.In the return mode, WTR can be configure to be 1-12 min (with the step length of 1 min).

quate foreign exchange to import necessary technology and equipment badly needed in the modernization campaign. (Please judge the statement according to the information of lessen One. Choose “True” if you believe it is true or “False” if not.)()

此题为判断题(对，错)。