lecture 1 computer network and the internet Flashcards
what is internet
Millions of connected computing devices
what is Communication links ?
it is connecting two devices or more together
how does the packet switch work
it take an arriving packet of it’s incomming communication and forwads it to it is outgoing communication links
switches are typically used in ?
access network
network core
access network
routes are typically used in ?
access network
network core
network core
who does segment the data and add headers to bytes to each segment ?
1- the sending end system
2- the destination end system
the sending end system
when the packets are recived in the destination end system ____ to get the original data :
1- segments the packets
2- reassembled the packets
the ISP ?
1- controls the sending and receving of information
2- provide a variety of types of network to access the end systems
2-provide a variety of types of network to access the end systems
who controls the flow of information in the network ?
1-ISPs
2-IETF
3-RFCs
4-protocols
4-protocols
because ISPs just provide an access to the network
and IETF is just an name of orgainization (internet engineering task force that are responseble to write internet standard document or request for comments (RFCs))
end systems are also referred to as ?
1- hosts
2- clients
3- servers
4- access network
hosts in general but it also can be referred to a clients or servers as end systems
can the telephone call and the an internet connection share the same dsl link
yes the can share the same dsl link at the same time
the lan is used to ?
connect an end system like your pc to the edge router
