Question and Answer: 60 

The Cisco 100-490 exam is a certification exam that tests a candidate's knowledge and skills in implementing and maintaining Cisco network infrastructure. It is intended for individuals who have one to three years of experience working with Cisco technologies and are seeking to demonstrate their expertise in this area.
The exam covers a variety of topics, including networking fundamentals, routing, and switching, security, automation, and programmability. Candidates should have a good understanding of these concepts before attempting the exam.
To prepare for the 100-490 exam, candidates can use a variety of resources, including official Cisco training materials, study guides, and practice exams. Successful completion of the exam will earn candidates the Cisco Certified Network Associate (CCNA) certification, which is a widely recognized industry standard for networking professionals.
Overall, the Cisco 100-490 exam is a challenging but rewarding experience for individuals looking to advance their careers in the field of networking.