Network Protocols
OSI Model - the Hostess with the Mostess
OSI Model - Media? I hardly knew ya!
This SOCKs!!!
Network Potpourri
100
Provides end-to-end connectivity specifying how data should be formatted, addressed, transmitted, routed and received at the destination.
What is TCP/IP.
100
This layer identifies the communication partners.
What is Application.
100
Controls the operations of the subnet, deciding which physical path the data takes.
What is Network.
100
A call to this function will assign an IP address to a PORT number.
What is bind().
100
A collection of computers and other hardware interconnected by communication channels that allow sharing of resources and information.
What is network.
200
This protocol is used to send messages between email servers.
What is SMTP.
200
Formats the data to be presented to the Application layer. It can be viewed as the “translator” for the network.
What is Presentation.
200
Provides error-free transfer of data frames from one node to another.
What is Data Link.
200
The program will wait at this function forever while in blocking mode.
What is listen().
200
The amount of time a computer or network has been available for use.
What is uptime.
300
A standard protocol used to transfer files over TCP/IP.
What is FTP.
300
Allows session establishment between processes running on different stations.
What is Session.
300
Concerned with the transmission and reception of the unstructured raw bit stream over the physical medium.
What is Physical.
300
This function is used to answer the call of a connecting client.
What is accept().
300
A network utility used to test the reachability of a host.
What is ping.
400
A network protocol used to configure network devices to communicate on an IP network.
What is DHCP.
400
Ensures that messages are delivered error=free, in sequence, and with no losses or duplication.
What is Transport.
400
Made up of 7 abstraction layers also know by the acronym OSI.
What is Open Source Interconnection.
400
Write to a connection.
What is send().
400
A command-line tool used to display network connections (incoming and outgoing ports, etc).
What is netstat.
500
Often called the phonebook of the internet, this service is used to associates domain names to IPs.
What is DNS.
500
The upper 4 layers are called the ____ layer because they are responsible for accurate data deliver between end devices.
What is Host.
500
The bottom 3 layers are called the _____ layer because they are responsible for physical delivery of data over the network.
What is Media.
500
Read from a connection.
What is recv().
500
A console application that displays current TCP/IP network configuration values.
What is ipconfig.
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