问答题 Drag the correct statements about MPLS-based VPN on the left to the boxes on the right.（Not allstatements will be used）

问答题 Drag and drop the steps in the process for provisioning a cable modem to connect to a headendon the above to the below in the order defined by the DOCSIS standard.

问答题 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.