Answer:
7 page faults
Explanation:
I have created a small Java program that can be seen in the attached picture below. This Java program uses an LRU algorithm in order to find the number of page faults within an array of page references from the references given in the question. Using these references, and the java program we can see that there are a total of 7 page faults. This can be seen in the output highlighted by red in the picture below.
I would think layered security or defense in depth
User inputs email. User inputs password , if password and username match user allowed through.If not password or email address is incorrect notification is shown - and there also may be a limit on the amount of attempts you have to get it right.
Answer:
D1= 60 HOSTS
network address - 200.120.80.64/26
subnet mask -255.255.255.192/26
D2 = 90 HOSTS
network address - 200.120.80.0/25
subnet mask -255.255.255.128/25
D3 = 90 HOSTS
network address - 200.120.80.128/25
subnet mask -255.255.255.128/25