أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Practice :-)
here you will find some labs
http://www.9tut.com/category/ccna-lab-sim
and here you will find some practice tests
http://www.pass-exams.com/latest-cisco-100-101-icnd1-real-exam-download-1-10.html
hope this helps