what does the following code do public boolean isonline connectivitymanager connmgr..., Android Programming, Mobile Technologies

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Question:What does the following code do?public boolean isOnline() {
   ConnectivityManager connMgr = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
   NetworkInfo networkInfo = connMgr.getActiveNetworkInfo();
   return (networkInfo != null && networkInfo.isConnected());
}

A checking Network connection. 
B checking only WIFI network connectivity. 
C checking only Bluetooth data connection. 
D checking only Ethernet data connection

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Question:What does the following code do?public boolean isOnline() { ConnectivityManager connMgr = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo networkInfo = connMgr.getActiveNetworkInfo(); return (networkInfo != null && networkInfo.isConnected()); }

A checking Network connection.

B checking only WIFI network connectivity.

C checking only Bluetooth data connection.

D checking only Ethernet data connection

A

Question:What does the following code do?
public boolean isOnline() { ConnectivityManager connMgr = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo networkInfo = connMgr.getActiveNetworkInfo(); return (networkInfo != null && networkInfo.isConnected()); }