Using switches, routers, internal firewalls, and other devices, you can create a , which restricts network traffic and limits what and how computers are able to talk to each other. A. demilitarized zone B. gateway C. flat network D. segmented network

3. bob is arguing that if you use output feedback (ofb) mode twice in a row to encrypt a long message, m, using the same key each time, it will be more secure. explain why bob is wrong, no matter what encryption algorithm he is using for block encryption (15 points).

How can a user open a blank presentation? 1.on the file menu, click new, and then click recent templates 2.on the file menu, click new, and then click blank presentation 3. on the view menu, click templates, and then click recent templates 4. on the view menu, click samples, and then click blank presentation

Whats three fourths of 15(this is supposed to be in math but i clicked too fast)