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Each of the following is a layer that protects information security except
Each of the following is a reason why security is becoming increasingly difficult except
_____ is a category of attacker who only wants to expose security flaws.
Guarding the availability of information is achieved by
_____ is the science of transforming information so that it is secure while it is being transmitted or stored
Cryptography depends upon the process called an algorithm that uses a cipher. True or False?
Using the same (shared) secret key to both encrypt as well as decrypt is called private key cryptography or symmetric encryption algorithms. True or False?
WEP keys must be a minimum of 1,664 bits in length. True or False?
WEP can support up to 32 keys, but only one of which can be the default key. True or False?
The initialization vector (IV) is a 24-bit value that changes each time a packet is encrypted. True or False?
The output of the pseudo-random number generator (PRNG) is the_____.
The _____ is added to the front (“pre-pended”) of the ciphertext and is in plaintext and is not encrypted.
RC4 is a stream _____that accepts keys up to 128 bits in length and takes one character and replaces it with one character
In order for an attacker to be authenticated he only has to discover the _____.
In a(n) _____ attack an attacker attempts to create every possible key combination by systematically changing one character at a time in a possible default key, and then using each newly generated key to decrypt a message
Explain how WEP violates the “cardinal rule” of cryptography
What is a man-in-the-middle attack and how can one be launched against a wireless network?
List two ways in which a denial of service (DoS) attack can be launched against a WLAN.
Explain how an attacker can force a renegotiation to...