Certified Ethical Hacker Wireless and IoT Security 1

Question 1

What is the difference between WPA2 and WPA3 security protocols?

Accepted Answer

WPA3 uses SAE (Simultaneous Authentication of Equals) replacing WPA2's PSK, providing better protection against offline attacks

Answer

WPA3 uses the same encryption as WPA2

Answer

WPA2 is more secure than WPA3

Answer

They use identical authentication methods

Question 2

What is an evil twin attack in wireless security?

Accepted Answer

Creating a rogue access point mimicking a legitimate network to intercept traffic

Answer

Having two identical routers on the same network

Answer

A twin firewall configuration

Answer

Cloning a legitimate user's device

Question 3

What is WPS (Wi-Fi Protected Setup) and why is it considered a security risk?

Accepted Answer

A simplified connection method using PINs that is vulnerable to brute-force attacks due to the PIN's design flaw

Answer

A wireless power supply system

Answer

A premium Wi-Fi subscription service

Answer

A firewall feature for wireless networks

Question 4

What security risks are specific to IoT devices?

Accepted Answer

Default credentials, lack of encryption, no update mechanism, and large attack surface

Answer

IoT devices have no security risks

Answer

Only physical theft is a concern

Answer

IoT devices are more secure than traditional computers

Question 5

What is a deauthentication attack in wireless hacking?

Accepted Answer

Sending forged deauth frames to disconnect clients from a legitimate AP, enabling further attacks

Answer

Logging out of a wireless network normally

Answer

Disabling authentication on a router

Answer

A method for securely disconnecting from Wi-Fi

Question 6

What is Bluetooth sniffing and what tool is commonly used?

Accepted Answer

Intercepting Bluetooth communications using tools like Ubertooth to capture and analyze packets

Answer

Using Bluetooth headphones to listen to music

Answer

Scanning for Bluetooth devices with a phone

Answer

Testing Bluetooth range with a signal meter