Application
HTTP + SSL =
HTTPS
Protocols at this layer are...
TCP/UDP
How many bits make up a subnet mask?
32 bits
What is NIC?
Network Interface Card
What is referred to as the layout of a computer network?
Network Topology
This protocol translates names into IP Addresses
DNS
How does TCP establish a secure connection?
Three-way handshake
What is a layer 3 device?
Routers
What is the unique number burned into the NIC?
MAC Address
What are the two forms of connecting?
Wired or Wireless
What are PDU's called at this layer?
Data
What are messages called at this layer?
Segments
What is the addressing at the Network Layer?
IP addressing
What are the messages referred to at this layer?
Frames
What is the connector on ethernet cable called?
RJ45
What is port 25 used for
SMTP - email routing
What are the steps to establish a connection in TCP?
The subnet mask is combined with an IP address in order to identify two parts:
Network address and host address
What does ARP do?
translates IP addresses to MAC addresses
Name one device that operates on this layer?
Hub, Modem
What are used to identify unique services on a host
Port Numbers
Which protocol would Netflix use to stream?
UDP
How many OSI Layers are there?
7
A switch is on this layer but can also be on layer __?
Can be at Layer 3
What is the PDU, information that travels through cables called?
Bits