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The CCNA Security certification is a stepping stone on the path from basic CCNA certification to the Cisco Certified Security Professional (CCSP) certification. Test yourself with these 20 flashcards to help you prepare for the CCNA Security exam 640-553.

This set of flashcards contains 20 questions and explanations, provided by For the complete set of 250+ flash cards covering all of the exam 640-553 objectives, follow the link at the end of this quiz to visit their website.

Question 1:

What protocol is responsible to synchronize clocks in a network using syslog?