Flashcards in Fund of an Ethernet LAN Deck (17)
Describe the 3-way handshake.
Happens before TCP does anything. 2 bits inside TCP FLAG field. User sends SYN, Server replies with SYN-ACK, User replies with ACK
Describe the sequence of packets that terminates a TCP connection
User sends ACK-FIN, Server replies with ACK and then ACK-FIN, User replies with ACK
How many bytes and bits is a MAC address?
6 bytes or 48 bits
Name the layers of the TCP/IP Model.
Application, Transport, Network, Data link, Physical
Ethernet pinouts on a PC?
1 and 2 for Transmit, 3 and 6 to Receive
Ethernet pinouts on a switch?
3 and 6 for Transmit, 1 and 2 to Receive
Crossover cable pinouts?
1 to 3, 2 to 6
Pinout pairs on a PC with gigabit cabling
1 and 2, 3 and 6, 4 and 5, 7 and 8
What goes into the TYPE field of an Ethernet header designating IPV4?
What goes into the TYPE field of an Ethernet header designating IPV6?
How long is the TYPE field of an Ethernet header?
Name the field in the Ethernet trailer.
For TCP and UDP, what is multiplexing?
The process of adding a port number to TCP or UDP header identifying which application the packet is meant for.
What 3 things make up a socket?
IP address, the transport protocol, and the port number
Is a leased line full duplex or half duplex?
How many wires in a leased line?
4. Two pair. One pair each for sending and receiving, thereby allowing for full duplex.