Exam 8: Wireless LAN Security and Vulnerabilities

Describe one trend that is making security increasingly difficult.

MAC address filtering ____.

Cryptography is a new invention of the 20th Century.

According to the IEEE 802.11 cryptography objectives, how strong should WEP be?

What is a cracker?

In WEP, the CRC generates a(n) ____ based on the contents of the text.

Wireless DoS attacks are exactly the same as wired DoS attacks.

Describe at least four weaknesses of open system authentication.

In a 64-bit packet sent using WEP, how many bits are actually encrypted?

When the recipient receives the encrypted text, it must be decrypted with the cipher and the key to produce the original ____.

____ is another name for open systems authentication.

MAC address filtering is vulnerable because there are programs available that allow users to ____ a MAC address.

While most attacks take advantage of vulnerabilities that someone has already uncovered, a(n) ____________________ attack occurs when an attacker discovers and exploits a previously unknown flaw.

Describe a man-in-the-middle attack.

In a(n) ____________________ attack, an attacker attempts to create every possible key combination by using a program to systematically change one character at a time in a possible default key, and then using each newly generated key to decrypt a message.

A wireless DoS attack may involve an attacker sending a series of ____ frames to a wireless device.

What disadvantage of wireless networks provides the biggest stumbling block to the adoption of wireless technology?

A standard personal computer can easily create over ____ possible password combinations per second.

Which type of attacker typically has a high skill level?