I would say A)setting career goals because if you are looking for "better" opportunities, only they know what "better" is. So they should define where they want to be, then decide where to go from there.
D
Explanation:
They test wather the meterls for good u no....
Answer:
<em>Frequency band in which 99% of the total power resides iscalled Power bandwidth-a.</em>
Answer: They connect to a mobile switching center.
Explanation:
The mobile switching center links all the wireless base stations to other earth stations with the help of repeaters. This process allows them to transmit and receive data and hence communicate through the medium of air.
Therefore, in a cellular network each wireless base station connect to a mobile switching center.