packet switching Flashcards
1
Q
Packet Definition
A
Data sent as a container over networks
2
Q
Packet Switching Process
A
Passes through multiple routers
Router uses recipient address on a packet to determine where to send it
3
Q
Header contains
A
Hop limit
Senders address
Receivers address
Port number
4
Q
Tail contains
A
Checksum or similar error checking
5
Q
Routers
A
Sends packet through the fastest possible route
Hold tables with frequently used routes to certain devices to enable max performance
6
Q
Gateways
A
Enables communication of different protocols
Strips away headers etc to leave payload
Gives new sender and receiver addresses to comply with the new protocol
7
Q
FQDN
A
Domain that specifies exact resource and can only be interpreted one way
8
Q
DNS server
A
Assigns a FQDN to its own IP output
