Translating "dumb protocol"

uncompleted
Translated "dumb protocol"
Translated "smart protocol"
Translating "uploading data"
Translated "uploading data"
Translated downloading data
Translating "Maintenance and Recovery Data"
Translating
Completed translation of "maintenance"
Translated "Data recovery"
Translating "Removing Objects"
Translating "Removing objects"
Translating "Removing objects"

still working on it
Merge pull request #598 from daftano/master

[it] update 01-chapter9.markdown