An Overview of Cisco Certified Network Associates (CCNA)
The Cisco Certified Network Associates (CCNA) Certification is an associate level networking certification offered by Cisco Systems Inc. Upon completion the candidates will be able to successfully carry out a number of essential networking maintenance and troubleshooting duties such as network installation, configuration, operating WAN, LAN and access services for small networks. In addition, they will have good working knowledge of protocols such as IP, IGRP, Serial, Frame Relay, RIP, RIP2, VLAN’s, Ethernet, and Access Lists.

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What Is The Focus of The CCNA Exam?
The Cisco Exam focuses heavily on Subnetting, Routing Protocols, Switching, Simulations and Access Lists. You should have a strong understanding of subnetting because subnetting plays a key role in the Cisco Exam and networking in general. You should also have very strong hands on practice with Access-Lists.

CCNA Requirements for Certification
Cisco has announced various changes to the CCNA & other certifications since 2007, to evolve with the rapidly changing IT Environment.

Cisco now offers two different types of choices to obtain the CCNA Certification:

1. CCNA (#640-802) Examination – Pass a single exam to be awarded CCNA Certification.

2. ICNDI (#640-816) & ICNDI (#640-822) Examination – Pass both the exams collectively to be awarded CCNA Certification.

According to Cisco there are no prerequisites apart from age. The CCNA Certification is a prerequisite for the CCNP, CCSP, and the CCDP Certification.

Topics for CCNA Exams
As mentioned earlier the CCNA is one of the most valued examinations available today. Cisco constantly strives to ensure that the CCNA exam remains esteemed by updating the exam. Candidates should check Cisco’s CCNA Exam Website on regular basis to be updated about the recent changes and modifications made by Cisco to the CCNA Exam.

The following are the key topics to study for the CCNA Certification Exam:

1. Bridging / Switching

2. OSI Reference Model (functions of all seven layers of the OSI model)

3. Layered Communication

4. Routing Protocols

5. WAN Protocols (Frame Relay, PPP (Point to point protocol), ISDN and DDR, x.25)

6. Network Protocols (TCP/IP, Subnetting, IPX)

7. Routed Protocols

8. Wireless LAN

9. Network Security ( Access List, IP and IPX Access Lists, Wild Card Masking, Implicit Deny, Port Denial, etc…)

10. LAN Technologies

11. VLAN (Virtual LAN)

12. Network Management

13. Cisco Basics, Network Basics, and IOS

14. IP Addressing

Note: Cisco holds the rights to change modify or update the exam structure at any given time. Therefore, it is highly recommended that you visit CCNA’s official website to stay updated on those changes.