A WEP key that is 128 bits in length __________. a. has an initialization vector (IV) that is the same length as a WEP key of 64 bits b. is less secure than a WEP key of 64 bits because shorter keys...

A WEP key that is 128 bits in length __________.

a. has an initialization vector (IV) that is the same length as a WEP key of 64 bits

b. is less secure than a WEP key of 64 bits because shorter keys are better

c. cannot be cracked because it is too long

d. cannot be used on access points that use passphrases