Glen E Clarke

31 books • 9 series

Glen E. Clarke, CCNA, MCSE, MCDBA, MCSD, CompTIA A+, CompTIA Network+, CompTIA Security+, works as an independent technical trainer and consultant. He teaches courses on Windows, SQL Server, Exchange Server, CompTIA A+, and IT security. Clarke is the author of CompTIA Network+ Certification Study Guide, Fifth Edition and CompTIA Security+ Study Guide, Second Edition.

Nov 5, 2021
Cover of Comptia Security+ Certification Bundle, Fourth Edition (Exam Sy0-601)

Comptia Security+ Certification Bundle, Fourth Edition (Exam Sy0-601)

Sep 24, 2021
Cover of CompTIA Security+ Certification Study Guide, Fourth Edition (Exam SY0-601)

CompTIA Security+ Certification Study Guide, Fourth Edition (Exam SY0-601)

Feb 5, 2021
Cover of CCNA Routing and Switching All-In-One Exam Guide (Exams 200-125, 100-105, & 200-105), with Boson Netsim Limited Edition

CCNA Routing and Switching All-In-One Exam Guide (Exams 200-125, 100-105, & 200-105), with Boson Netsim Limited Edition

Jan 1, 2021
Cover of CompTIA Security+ Certification Practice Exams, Fourth Edition (Exam SY0-601)

CompTIA Security+ Certification Practice Exams, Fourth Edition (Exam SY0-601)

Jan 1, 2021
Cover of Cct/CCNA Routing and Switching All-In-One Exam Guide (Exams 100-490 & 200-301)

Cct/CCNA Routing and Switching All-In-One Exam Guide (Exams 100-490 & 200-301)

Oct 26, 2020
Cover of CompTIA PenTest+ Certification For Dummies

CompTIA PenTest+ Certification For Dummies

Dec 29, 2017
Cover of Comptia Security+ Certification Bundle, Third Edition (Exam Sy0-501)

Comptia Security+ Certification Bundle, Third Edition (Exam Sy0-501)

Nov 10, 2017
Cover of Comptia Security+ Certification Study Guide, Third Edition (Exam Sy0-501)

Comptia Security+ Certification Study Guide, Third Edition (Exam Sy0-501)

Aug 18, 2017
Cover of Comptia Security+ Certification Practice Exams, Third Edition (Exam Sy0-501)

Comptia Security+ Certification Practice Exams, Third Edition (Exam Sy0-501)

Jul 30, 2015
Cover of Comptia Network+ Certification Study Guide, Sixth Edition (Exam N10-006)

Comptia Network+ Certification Study Guide, Sixth Edition (Exam N10-006) (Certification Press)

Jul 11, 2014
Cover of Comptia Security+ Certification Study Guide, Second Edition (Exam Sy0-401)

Comptia Security+ Certification Study Guide, Second Edition (Exam Sy0-401)

Jul 11, 2014
Cover of Comptia Security+ Certification Practice Exams, Second Edition (Exam Sy0-401)

Comptia Security+ Certification Practice Exams, Second Edition (Exam Sy0-401) (Certification Press) (Certification Press)

Apr 14, 2014
Cover of 1,001 CCNA Routing and Switching Practice Questions For Dummies, Access Code Card (1-Year Subscription)

1,001 CCNA Routing and Switching Practice Questions For Dummies, Access Code Card (1-Year Subscription)

Mar 5, 2014
Cover of 1,001 CCNA Routing and Switching Practice Questions For Dummies

1,001 CCNA Routing and Switching Practice Questions For Dummies

Jan 1, 2014
Cover of 1,001 CCNA Routing and Switching Practice Questions for Dummies (+ Free Online Practice)

1,001 CCNA Routing and Switching Practice Questions for Dummies (+ Free Online Practice)

Aug 23, 2012
Cover of CompTIA A+(r) Certification All–in–One For Dummies(r)

CompTIA A+(r) Certification All–in–One For Dummies(r)

May 16, 2012
Cover of CompTIA Network+ Certification Boxed Set (Exam N10-005)

CompTIA Network+ Certification Boxed Set (Exam N10-005)

Jan 31, 2012
Cover of Comptia Network+ Certification Study Guide, 5th Edition (Exam N10-005)

Comptia Network+ Certification Study Guide, 5th Edition (Exam N10-005) (Comptia Authorized)

Jan 31, 2012
Cover of Comptia Network+ Certification Study Guide, 5th Edition (Exam N10-005) (Enchanced Ebook)

Comptia Network+ Certification Study Guide, 5th Edition (Exam N10-005) (Enchanced Ebook)

Sep 9, 2011
Cover of Comptia Security+ Certification Study Guide (Exam Sy0-301) (Enhanced Ebook)

Comptia Security+ Certification Study Guide (Exam Sy0-301) (Enhanced Ebook)

Jan 20, 2011
Cover of Comptia Network Certification Study Guide 4/E (Enhanced Ebook)

Comptia Network Certification Study Guide 4/E (Enhanced Ebook)

Jan 1, 2010
Cover of CCENT Certification All-in-One For Dummies

CCENT Certification All-in-One For Dummies (For Dummies)

Oct 9, 2009
Cover of Comptia A+ Certification All-In-One for Dummies(r)

Comptia A+ Certification All-In-One for Dummies(r)

Sep 24, 2009
Cover of CompTIA A+ Certification All-in-One For Dummies

CompTIA A+ Certification All-in-One For Dummies