This document is intended to help students understand what types of information would be required to pass the CCNA test. This is
only intended as a review and additional training and knowledge would be needed in order to take and pass the CCNA exam. This document
does not help with the simulation portion of the test.
According to Eric Vanderburg of certmag.com, the CCNA is “Cisco's introductory certification and the one in greatest demand. Cisco products
often are the first thought when choosing network infrastructure equipment, and they are immensely prevalent, creating a vast need for
professionals who are capable of managing them.”
On June 25, 2007, Cisco announced major updates to their CCNA curricula, including the new version of the CCNA Composite Exam (640-
With this document as your guide, you will review topics on implementing Cisco IOS network security. This fact-filled Quick Reference allows you to get all-important information at a glance, helping you to focus your study on areas of weakness and to enhance memory retention of essential exam concepts
This chapter compare and contrast classful and classless IP addressing, review VLSM and explain the benefits of classless IP addressing, describe the role of the Classless Inter-Domain Routing (CIDR) standard in making efficient use of scarce IPv4 addresses.
Các chức năng của Cisco IOS User Interface: CLI được dùng để nhập lệnh. Có những hoạt động khác nhau giữa router và switch, nhưng cả hai dùng chung CLI. Phìm Enter dùng để thiết bị phân tích và thực thi một lệnh. CLI dùng tập lệnh có phân tầng theo từng chế độ cấu hình.
CCENT has been created to address the need for providing networking professionals with a solid practical
understanding of modern TCP/IP networks built with Cisco hardware, and will certify practical skills required
for entry-level network support positions.
This certification will serve as the base of Cisco's certification pyramid. It is similar in nature to CompTIA's
Network+ Certification and represents a tangible first step in earning your CCNA certification.