Computer Networks Textbook Flashcards (Ch1-5)
1
Q
What are the two key Internet components?
A
Hosts (end systems) and communication links
2
Q
What are the three delay types in networks?
A
Transmission, propagation, processing
3
Q
What information defines a UDP socket?
A
Destination IP + Destination Port
4
Q
What are TCP’s four reliability mechanisms?
A
1) Seq numbers 2) ACKs 3) Retransmissions 4) Flow control
5
Q
What does the IPv4 TTL field prevent?
A
Infinite routing loops
