Linear protection switching of tunnel on ZXCTN products depends on whether port is DOW

A.protection locking

B.protection signal failure

C.forced switch

D.working signal failure

A.LOC alarm

B.Mismerge alarm

C.Forced switching command

D.Manual switching command

A.linear protectio

B.ring network protectio

C.path protectio

D.PW dual homing

A.Tunnel 1+1

B.Tunnel 1：1

C.SNCP 1+1

D.SNCP 1：1

A.Tunnel 1+1

B.Tunnel 1：1

C.SNCP 1+1

D.SNCP 1：1

A.show aps mepg-config

B.show aps protect-config

C.show logging current

D.show logging notify

A.LOC alarm

B.Mismerge alarm

C.Forced switching command (FS)

D.Manual switching command (MS)

protection group, after the working tunnel is modified, you should () on the both ends.

eduction operation. When switching protection group manually, the switching is only implemented at one side, the other side will: ()。

A.Perform. automatic changeover simultaneously

B.Perform. changeover manually (automatic changeover is not available)

C.Unknown status

D.Perform. changeover one minute later.