Select all that apply.

• A

  Network connections should never be performed on a separate thread, so problems can be handled quickly.

• B

  Performing network operations on the same thread used by the display is likely to block refreshes of the display until the network operations complete.

• C

  The connection could unexpectedly terminate while processing the input or output streams.

• D

  Devices can only support one HttpConnection at a time; therefore, network access from multiple
  threads must be serialized.

• E

  A network connection could interfere with other services on the device, such as the ability to receive phone calls or SMS on a phone.