HDLC
Simple Network Management Protocol (SNMP) is a popular protocol for network management. It is used for collecting information from, and configuring, network devices, such as servers, printers, hubs, switches, and routers on an Internet Protocol (IP) network. A port for this ^. Google is your friend.
HDLC
RIP is a IGP protocol that allows routers to advertise what they know about their routes to other routers. Since routers operate at the network layer (3), so does RIP.
RIP is a protocol used by routers to exchange information about their routing tables. In dynamic routing, a router learns from other routers about possible routes by advertising what they know. RIP is a protocol that can do that.
routers
Routing Information Protocol (RIP)
It's a protocol that routers use to figure out how to get to other devices on the network. Even if they have to go through other routers and different networks.
They are organized in Areas
link-state routing protocol
Interior Gateway Protocol IGB runs between two routers in the same autonomous system AS, whereas EGP runs between routers that belong to different AS's. Both protocols are two flavours of BGP.
RIP is a routing protocol - a protocol (set of rules) that allows a router to exchange information, with other routers, about existing routes.