In this video, explore the different types of antennas and learn how antennas are used to achieve gain.
- A wireless network depends upon its ability … to reliably send and receive wireless packets, … and it does that through its antenna system. … A router will typically have at least one external antenna. … The NETGEAR device shown here has three external antennas. … Laptop, on the other hand, … have their antenna looped around the inside of the case. … When testing wireless networks from your laptop, … your wireless scanner … will cycle through the set of wireless channels … to detect all networks in range. … This will have the effect … of disconnecting your Internet connection, … as this is fixed on one channel. … Consequently, it's useful … to have a separate wireless antenna. … Wireless testing from the virtual box environment, … is a special case which requires an external antenna, … because the virtualized ethernet LAN to which VMs attach … is using the wireless connection, … so again an external antenna is required. … The role of the antenna is to convert … between electrical energy and radio waves. …
Note: This course is part of our test prep series for the Certified Ethical Hacker exam. Review the complete exam objectives at https://www.eccouncil.org/programs/certified-ethical-hacker-ceh/.
- Selecting an antenna
- Configuring security
- Extracting WEP and network passwords
- Testing passwords
- Harvesting connections from rogue access points
- Attacking networks via Bluetooth
- Capturing wireless packets with Acrylic Wi-Fi
- Heat mapping with Ekahau
- Wi-Fi sniffing with Wireshark
- Testing the Internet of Things
Skill Level Intermediate
Course disclaimer1m 37s
1. Wi-Fi Networks
2. Rogue Access Points
Understanding Bluetooth5m 1s
4. Additional Tools
5. Internet of Things
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