title: Can a single BLE central connect with multiple BLE peripherals via bluetooth low energy?
body: <p>I am using core bluetooth framework in my iOS application project. I have following questions regarding bluetooth low energy-</p>
  
  <ol>
  <li>Is it possible for a single central to connect multiple peripherals in iOS?</li>
  <li>Can multiple central device connect with a single peripheral?</li>
  <li>Can a single iOS device act as central as well as peripheral at the same time?</li>
  <li>If yes, then what will happen if both of 2 such devices try to connect as central to each other?</li>
  <li>Can we communicate via BLE when the app is in background?</li>
  </ol>