The Railroad Retirement Board will collect your Medicare premiums (if you have them) and premiums. If you receive railroad retirement benefits or railroad disability annuity checks, your Medicare premiums will be automatically deducted from your check each month.
The link is the physical and logical network component used to interconnect hosts or nodes in the network and a link protocol is a suite of methods and standards that operate only between adjacent network nodes of a local area network segment or a wide area network connection.
Physical topology is the placement of the various components of a network, including device location and cable installation, while logical topology illustrates how data flows within a network, regardless of its physical design.