Chapter 23 Flashcards
What is the difference between bandwidth and throughput
Bandwidth is the capacity of underlying hardware for communication and throughput is how much we can avail from that capacity.
What OSI stands for
Open system interconnection
What is universal service
It was first introduced by telephonic service. A telephone caller should have access to all globe. When computer come, computer operator replaced the space of phone caller in universal service.
What are heterogeneous networks
Heterogeneous networks are those networks that works on different technologies.
Does bridges only work with similar type of LAN technologies
Yes
What is internet working/internet
Its a technique that allow to connect several networks. It is also known as internet
What is difference between Internet and internet
Internet is a generic term used to browse everyday. And internet means a combination of different physical networks.
What are routers
Routers is a hardware device that have a software to make possible to connect different networks.
What is virtual network
Its an illusion of a single network that TCP/IP software provides to users and applications.
Which OSI layer uses TCP/IP
Internet layer
How much OSI layers are used in case of internet
5
Does router needs application layer
Most of time no
