Cisco Unified Communications Manager 8: Expert Administration Cookbook. Administering a call-processing system as sophisticated as Cisco Unified Communications Manager can be a demanding task, but this cookbook simplifies everything with a range of advanced real-world recipes for immediate use

Tanner Ezell

CompTIA A+ Practice Test Core 1 (220-1101). Over 500 practice questions to help you pass the CompTIA A+ Core 1 exam on your first attempt

CompTIA Linux+ Certification Guide. A comprehensive guide to achieving LX0-103 and LX0-104 certifications with mock exams

Philip Inshanally

CompTIA Network+ Certification Guide. The ultimate guide to passing the N10-007 exam

CompTIA Project+ Certification Guide. Learn project management best practices and successfully pass the CompTIA Project+ PK0-004 exam

J. Ashley Hunt

CompTIA Security+ Certification Guide. Master IT security essentials and exam topics for CompTIA Security+ SY0-501 certification

Ian Neil

Computer Networks in Packet Tracer for advanced users

Jerzy Kluczewski

Computer Networks in Packet Tracer for beginners

Damian Strojek, Robert Wszelaki, Marek Smyczek, Jerzy KLuczewski