Answer:
you have to watch the video for the person to explain it to you I guess you knew that I'm just here for points
Answer:
A. PRL
Explanation:
Mobile phone technologies like CDMA , GSM etc, are used by cell/ mobile phone to transmit and receive signals. With the limitation of fluctuation, a mobile phone was made to adapt to this problems, thereby combining this broadbands like CDMA, GSM,4G LTE etc gave rise to PRL (Preferred roaming list) database to hold information needed to establish connection to the correct cell tower for these broadbands.
A formula always starts with an equals sign. The answer is B. =