Communication & Networking Flashcards
1
Q
What are all the functions of the transport layer?
A
- Establishes an end to end connection between the sender and the receiver
- Split data into packets
- Assigns sequence number to packets
- Assigns port numbers to packets (identifies the protocol in use)
2
Q
What are the functions of the network layer?
A
- Assigns source IP address for packets
- Assigns destination IP address for packets
3
Q
What is a socket?
A
IP address combined with a port number
4
Q
What is the purpose of SMTP protocol?
A
Send email to/from another email server/client.
5
Q
What is the purpose of POP3?
A
So that clients can retrieve emails on the server
