You needn't to do ccna first before ccna security and you can also choose do ccna security first. But if I were you, I'll choose the ccna first.because we must take more time to prepare the ccna security if we have done the ccna. To do enough practice exams is necessary for me and you can get more details on http://www.testpassport.de/ccna

The final exams in CCNA have about 60 questions each; you are allowed between 1 1/4 and about 2 hours, depending on the academy and the instructor.

The final exams in CCNA have about 60 questions each; you are allowed between 1 1/4 and about 2 hours, depending on the academy and the instructor.

The final exams in CCNA have about 60 questions each; you are allowed between 1 1/4 and about 2 hours, depending on the academy and the instructor.

The final exams in CCNA have about 60 questions each; you are allowed between 1 1/4 and about 2 hours, depending on the academy and the instructor.

How many papers in CCNA ccna paper is networking technicaly computer

yes

Yes. I will send you the syllabus of Linux and CCNA.