1 In this example, we will see how to download multiple files from URL showing download progression bar using Android progress dialog. 2  We will show Android progress bar which runs while the app downloads images from the web. 3  Once all the images are downloaded, we will display the list of images.
Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network and to measure the round-trip time for messages sent from the originating host to a destination computer and back.he following is the output of running ping under Linux for sending five probes to the target host www.example.com: The utility summarizes its results after completing the ping probes. The shortest round trip time was 9.674 ms, the average was 10.968 ms, and the maximum value was 11.726 ms.
Aircrack-ng is a network software suite consisting of a detector, packet sniffer, WEP and WPA/WPA2-PSK cracker and analysis tool for 802.11 wireless LANs. It works with any wireless network interface controller whose driver supports raw monitoring mode and can sniff 802.11a, 802.11b and 802.11g traffic.