单选题A customer has two sites located 500 kilometers apart. The customer has both a high-speedInternet link and dark fiber between the sites. The customer wants to utilize storage resources ateither site leveraging replication for disaster recovery implementations. The customer wants to linkthese two sites together. Which option provides the highest performance and is most reliable？（）AiFCP routerBFCIP routerCDWDM and CWDMDLC multi-mode 50 micron fiber
单选题
A customer has two sites located 500 kilometers apart. The customer has both a high-speedInternet link and dark fiber between the sites. The customer wants to utilize storage resources ateither site leveraging replication for disaster recovery implementations. The customer wants to linkthese two sites together. Which option provides the highest performance and is most reliable？（）
A
iFCP router
B
FCIP router
C
DWDM and CWDM
D
LC multi-mode 50 micron fiber
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