Question: A device that can look at all protocol headers up to the transport layer is called l ayer-4 firewall. Which one of the following statement is true layer-4 firewall?
Ans: It cannot block TCP traffic from a specific user on a multi-user system during 9:00pm and 5:00am
Question: Consider an array L. If an element in an array L is greater than all elements to the right of it then it is called a leader. The best algorithm to find all leaders in an array
Ans: Solves it using divide and conquer in time θ (n logn)