[A] [B] [C] [D] [E] [F] [H] [I] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] OOB (out-of- band ) optimization communication modular approach of OSI 2nd security wheel 2nd Improve stage Monitor stage 2nd Secure stage 2nd Test stage options exams 2nd remote users accessing software authentication 2nd centralized management 2nd hardware VPN clients implementing firewalls 2nd 3rd remote site broadband routers 2nd origin of threats 2nd 3rd 4th OSI modular approach of 2nd 3rd 4th 5th campus modules 2nd 3rd 4th 5th edge modules 2nd 3rd 4th 5th 6th 7th 8th 9th out-of-band (OOB) own Certificate Authority (CA) |