chapter 4 Flashcards
_____are used to connect remote LANs
WAN
common WAN topology
1-Point-to-Point
2-Hub-and-Spoke
3-Full Mesh
4-Dual-Homed
circuit between two endpoints.
point-to-point
known as point-to-multipoint topology
Hub and spoke
any site can communicate directly with any other site.
full mesh
topology provides redundancy
dual homed
WAN technologies are either ____ or _____
circuit switched or packet switched
________Establishes a dedicated circuit (or channel) between nodes and terminals before the users may communicate
circuit switched
_______Splits traffic data into packets that are routed over a shared network
packet switched
WAN infrastructures
leased line, dial up, DSL and VSAT
Point-to-point lines are usually leased from a service provider and are called
leased lined
advantage of leased lines infrastructure
simplicity, quality and availability.
Use modems and analog dialed telephone lines to provide low capacity and dedicated switched connections
dial up
always-on connection technology that uses existing twisted-pair telephone lines to transport high-bandwidth data, and provides IP services to subscribers.
DSL
A solution that creates a private WAN using satellite communications.
VSAT