多选题You are the network consultant from passguide.com. You have been asked for which two features of optical networks allow data to be transmitted over extremely long distances? （）AEncryptionBBandwidth limitsCMinimal signal lossDNo EMI
多选题
You are the network consultant from passguide.com. You have been asked for which two features of optical networks allow data to be transmitted over extremely long distances? （）
A
Encryption
B
Bandwidth limits
C
Minimal signal loss
D
No EMI
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