Professor Messer’s CompTIA Network+ Study Group – March 2012

In this Study Group; multimode vs. singlemode, OSI layers, Class D and E addresses, firewalls and DMZs, NAT, and exam structure.

Professor Messer’s Network+ Course Notes:

Have you watched my CompTIA Network+ videos, but you’d like to have all of the notes available in one place? With these detailed Network+ study guides, you can focus your study efforts and make your study time more efficient!