Exam 1 Review

6. A ____ is a high-capacity communications medium that joins networks and central network devices across long distances.
7. A process that scrambles the data so that it cannot be read if intercepted by unauthorized users.
8. A(n) ____ is a device that can transmit and receive, such as transmitting and receiving signals on a communications cable.
11. Which layer governs a user’s access to network services?
12. Which layer provides flow control and ensures data reliability from source to destination?
13. Any device connected to a network is generically termed a(n) ____ or station.

1. A ____ specifies how networked data is formatted into discrete units, such as packets or frames.
2. An example of a wireless PAN technology.
3. Used for protecting a network may be created using routers.
4. Software installed on an operating system that is used to communicate with the NIC and manages how frames are sent
5. What attaches a network node to the communications media? (acronym)
6. The ____ topology consists of running cable from one PC or file server to the next, like links in a chain.
7. The term ____ refers to wrapping the information in one layer inside the information within the next layer.
9. A ____ consists of interconnected computers, printers, and other computer equipment in close physical proximity. (acronym)
10. A network ____ has two components: the physical layout of network cables, and devices and the logical path followed by the network packets or frames.