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.
The data link layer or layer 2 is the second layer of the seven-layer OSI model of computer networking. This layer is the protocol layer that transfers data between adjacent network nodes in a wide area network (WAN) or between nodes on the same local area network (LAN) segment.