The Core exam focuses on essential networking knowledge and skills that are relevant for enterprise-level networking professionals.
The core exam is designed to test a candidate’s understanding of the core concepts and their ability to apply them in real-world networking scenarios.

A Concentration exam, in the context of Cisco certification programs, refers to an exam that focuses on a specific technology area or specialization within a broader certification track.
Each concentration exam is designed to delve deeper into a specific technology area related to the certification track. In CCNP there are multiple concentration exams available out of which we can choose one in order to get professional-level certification, few of the CCNP concentration exams are listed below:

1. Implementing Cisco Enterprise Advanced Routing and Services
2. Implementing Cisco SD-WAN Solutions
3. Designing Cisco Enterprise Networks
4. Designing Cisco Enterprise Wireless Networks
5. Implementing Automation for Cisco Enterprise Solutions

Prerequisites for the CCNA Course?

It’s recommended to have a good understanding of networking concepts which are part of the CCNA (Cisco Certified Network Associate) curriculum.

Job opportunities after getting CCNA certified:

CCNA certified engineers are sought after in various job roles that involve networking, IT infrastructure management, and technical support. Few examples of job roles that value CCNA certification are as follows:
Network Administrator
Network Engineer
System Administrator
Technical Support Engineer
IT Help Desk Specialist
Network Security Analyst
Wireless Network Engineer
VoIP Engineer
Data Center Technician
Telecommunications Specialist
IT Consultant
Network Operations Center (NOC) Technician

How to get CCNA certified(Roadmap)

Here’s a roadmap to guide you through the process:

1. Understand the CCNA Certification:
Research and understand what the CCNA certification entails. It’s a foundational certification offered by Cisco that covers networking basics, routing and switching concepts, network security, and more.

2. Prerequisites:
There are no specific prerequisites for the CCNA certification, but having a basic understanding of networking concepts can be helpful.

3. Choose a Study Approach:
Self-Study: Gather study materials such as official Cisco CCNA books, online courses, practice exams, and video tutorials. Set a study schedule and stick to it. Utilize Cisco’s official study resources, such as books, online courses, and practice exams. These resources are designed to align with the exam objectives.
Instructor-Led Training: Consider enrolling in a formal CCNA training course, either in-person or online, where experienced instructors guide you through the material.

4. Study Topics:
Familiarize yourself with the exam objectives. The CCNA exam covers a range of topics, including networking fundamentals, routing and switching, network security, wireless networking, and more.

5. Practice Labs:
Hands-on practice is essential. Use lab simulations, Packet Tracer, or real networking equipment to practice configuring routers, switches, and other network devices.

6. Practice Exams:
Take practice exams to assess your readiness and identify areas where you need more study.

8. Exam Registration:
Visit the Cisco Certification website and register for the CCNA exam. You can choose to take the exam at a Pearson VUE testing center or through online proctoring.

9. Review and Final Preparation:
Review your notes, practice exam results, and areas of weakness. Focus on strengthening these areas during your final study phase.

10. Take the Exam:
On the exam day, arrive early, bring valid identification, and be prepared to demonstrate your knowledge.

11. Pass the Exam:
Score the passing grade(80% or higher) on the exam to earn your CCNA certification.

12. Receive Certification:
Once you pass the exam, you’ll receive your CCNA certification from Cisco. This certification is recognized globally and demonstrates your networking expertise and is valid for 3 years after the date of issuance.