Lecture Notes - CS441

Tuesday, September 17th 2024

Test 1 review
Three topologies: bus, ring, star
SPOF: single point of failure
SPOF: star topology
Two types of switching: circuit switching packet switching
Packet switching is used now
OSI Model: physical, data link, network, transport, session, presentation, application
3 functions of presentation: translate, encrypt, compress
ospf: open shortest path first
nic: network internet card
ipv5: attempted to be made for streaming services
ipv4: 32 bit
ipv6: 128 bit
most important part in computer network: bandwidth
qos: quality of service
repeaters and amplifiers:
repeater:
amplifier: analog
2 modes for switches: cut through
vlan:
lan
man
wan
vlan
wlan
pan
san
ban
types of orouters:
five components of routers
four layers of tcp/ip model
tcp vs udp: handshake
ttl: time to live
socket: ip address and port number
multiplexity: frequency division and time division