found: CCNP Cisco LAN switch configuration exam cram, 1999:CIP t.p. (Richard A. Deal) pub. info (Certified Cisco Instructor; owner of The Deal Group, Inc.; Tampa Bay, Fla.)
found: CCNA Cisco certified network associate, 2003:t.p. (Richard Deal)
found: Clarke, Glen E. All-in-one CCT/CCNA routing and switching [ER], c2021:t.p. frame (Glen E. Clarke, Richard Deal) about the authors frame (experience in the computing and networking industry; B.S. mathematics Grove City Coll.; holds many certifications from Cisco)
