Drag the IPsec protocol description from the above to the correct protocol type on the below.（Notall descriptions will be used） Drag and Drop question， drag each item to its proper location.
Match the xDSL type on the above to the most appropriate implementation on the below.
Drag and drop the xDSL type on the above to the appropriate xDSL description on the below.
Drag the DSL technologies on the left to their maximum（down/up） data rate values on the below.
