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?（）AEncryptionBMinimal signal lossCBandwidth limitsDNo EMI
题目
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
Minimal signal loss
C
Bandwidth limits
D
No EMI