The "middle ages" are anything between the collapse of Rome (400 AD) to its re-emergence in Rennaissance Italy (1400). Rennaissance means "rebirth". The "dark ages" are the period in the middle ages which were relatively undocumented. This would definitely include 400 AD to 700 AD, and some extend it to 900 AD.
Brute force is this approach to password cracking. It tires all possible password combinations until a correct match between the hashes is found. It may make use of rainbow tables which contain precomputed password-hash combinations.
Please remember that it helps to provide the choices that match your question. This can help you get an accurate answer and have your question answered much quicker.
Answer:
The statement is True
Explanation:
When talking about computer security, we can define covert channels as an attack on a system capable of creating a loophole for information objects transfer between various processes that would normally not allow communication under the computer security policy. Hence, the best defenses system against this kind of attack is via Intrusion Defense System and Intrusion Prevention System and relentlessly "watching all aspects of an IT infrastructure for aberrant or abnormal events of any type."
Wholesalers acquire goods from manufacturers, farmers or miners, holds them then distributes them to retailers.
Answer:
The expression is :
π[cd) + π(g,h) ],[π(e,f)+π(a,b)])
We will use foreign key and primary key
