Glen Clarke
Glen E. Clarke, CCNA, MCSE, MCSD, CEH(TM), CHFI(TM), CISSO(TM), CompTIA Security+(TM), CompTIA PenTest+(TM), is a technical trainer and owner of DC Advanced Technology Training, an IT training company based in Atlantic Canada. He is the auhor of the CompTIA Security+ Certification Study Guide and the CompTIA Network+ Certification Study Guide from McGraw Hill, and has authored a number of For Dummies certification titles including the CompTIA PenTest+ Certification for Dummies.
Richard Deal, CCNA, CCNP(R), CCDA(R), CCDP(R), is a networking professional and has been a certified Cisco instructor and Cisco certification test writer. He owns a consulting company, The Deal Group, which provides network consulting and training services nationwide.
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