Given the set of operators, &, 0, 0, 0, 0, 0, 0, 0, sizeof), and ), match the operator prefixed with Op on left to the correct operator on right in such a way that the following operator sequence arrange them from the highest precedence to the lowest left to right. Op. 1, (), Op. 2, sizeof, Op. 3, -, Op. 4, !=, Op. 5. -= Op. 1 Op. 2 Op. 3 Op. 4 Op. 5 0 [Choose ] 0 && [Choose ]

Your office mail server notifies you that your password has changed. Unchanged password? Changed password: why? Which computers and malware let attackers change passwords?

Your company has made a data-sharing agreement with another company. The administration of both companies has decided to use FTP to exchange data across their networks. On both ends of the network, data will be exchanged between already-established servers. You've been given the duty of coming up with a firewall-specific technique to allow this new connection. What is your plan of action? Which one would you recommend, and why?

Do you believe that it is still feasible to improve cloud security after a data breach has already taken place? Do you believe that extra measures could be done to stop something similar from occurring?