Chapter 9

4. a communication model in which a dedicated communication path is established between two hosts and on which all messages travel.
5. the software that manages network resources for a node on a network, and may provide security and access control.
7. a communications device or program that passes data between networks having similar functions but different protocols.
9. a set of rules to control the flow of messages through a network.
11. a local area network with wireless nodes.
13. a network usually constructed with long-distance, point-to- point lines, covering a large geographic area.

1. a communication model in which messages are individually routed between hosts, with no previously established communication path.
2. an operating system that provides control for a distributed computing system, allowing its resources to be accessed in a unified way.
3. a network topology in which each node is connected to two adjacent nodes.
6. a protocol designed for use in Internet Protocol (IP) networks, concerned with tracking the operational state of every network interface.
8. a type of local area network with stations wired into a ring network.
10. a data-link layer device used to interconnect multiple networks using the same protocol.
12. a data network intended to serve an area covering only a few square kilometers or less.