CCNA Methodology

The Cisco Certified Network Associate (CCNA) methodology. CCNA use the OSI Reference Model which has 7 layers:

Layer 1  Physical – this layer indicated the standards from other organisations referred by OSI. It deals with the transmission medium physical characteristics

Layer 2  Data link – This layer is concerned with getting data across a particular medium or link

Layer 3  Network – This outlines the end-to-end delivery of packets

Layer 4  Transport – This layer includes the choice of protocols that can provide error recoveries

Layer 5  Session – This layer outline how to start, control, and end sessions (conversations)

Layer 6  Presentation – This shows data formats, including; EBCDIC text, ASCII text, binary, JPEG, and BCD

Layer 7  Application – This explain how an application communicates with other computers by implementing OSI application layer concepts

cross

OUR BIGGEST SPRING SALE!

Special Discounts

red-starWHO WILL BE FUNDING THE COURSE?

close

close

Thank you for your enquiry!

One of our training experts will be in touch shortly to go over your training requirements.

close

close

Press esc to close

close close

Back to course information

Thank you for your enquiry!

One of our training experts will be in touch shortly to go overy your training requirements.

close close

Thank you for your enquiry!

One of our training experts will be in touch shortly to go over your training requirements.