SLR1.3 concept of layers Flashcards
1
Q
what is the concept of layering
A
the concept of layering is to divide the complex task of networking into smaller, simpler tasks that work with eachother
hardware and/or software for each layer has a defined responsibility
each layer provides a service to the layer above it
2
Q
advantages of layering
A
reducing the complexity of a problem into manageable sub-problems
devices can be manufactured to operate at a particular layer
products from different vendors will work together
3
Q
The TCP/IP model has 4 layers…
A
application layer-HTTP, HTTPS, FTP, SMTP, POP, IMAP
transport layer-TCP
internet layer-IP
link layer-Ethernet, wifi, NIC, OS(operating system)
