CCNA Routing and Switching Official Cert Guide Library, Odom, Wendell, CCNA Routing and Switching Official Cert Guide Library is a comprehensive review and practice package for the latest CCNA exams and is the only self-study resource approved by Cisco. The two books contained in this package, CCENT/CCNA ICNDOfficial Cert Guide and CCNA Routing and Switching ICNDOfficial Cert Guide كتاب الشبكات لشركة سيسكو CCNA تاليف المهندس احمد Ahmad H Mashaikh يتحدث عن أجهزة التوجيه والتبديل وأنواع ربط الشبكا