Hello <span>August1859
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Answer: In a database, a key field is used to uniquely identify each record for retrieval or manipulation.
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-Chris
Smart machines I'm pretty sure
The OC level is primarily used as a regional ISP backbone, and occasionally by very large hospitals, universities, or other major enterprises is <u>OC-48.</u>
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<h3>What is the greatest amount of throughput provided by an OC 12?</h3>
OC-12 is a network line with communication speeds of up to 622.08 Mbit/s (payload: 601.344 Mbit/s; overhead: 20.736 Mbit/s). OC-12 lines are generally used by ISPs as wide area network (WAN) connections.
<h3>When using frame relay What is the appellation of the identifier?</h3>
A data-link connection identifier (DLCI) determines the Frame Relay PVC. Frames are routed through one or more virtual circuits determined by DLCIs.
Each DLCI has a permanently configured switching path to a particular destination
To learn more about OC level , refer
brainly.com/question/25899244
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You should have the percentage of tip based on the service that you received.
Then you multiply the percentage of tip by the amount of money that you have to pay for what you bought.
