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Protocols
Explain the function of common networking protocols
20
Computer Networking
Not Applicable
09/18/2013

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Term
TCP(Transmission Control protocol)
Definition
Part of the Tcp/Ip protocol suite,operates at Layer 4(Transport)of the OSI seven-layer model. Tcp is connection- oriented protocol.
Term
FTP(File Transfer Protocol)
Definition
A set of rules that allows two computers to talk to one another as a file transfer is carried out. This is the protcol used when you transfer a file from one computers to another across the internet.
Term
UDP(User datagram Protocol)
Definition
A protocol used by some older applications,most prominentyl TFTP(Trivial Ftp), to transfer files. UDP datagram are both simpler and smaller than TCP segments, and they do most of the behind-the-scenes work in a Tcp/Ip network.
Term
TCP/IP
Definition
A set of communication protocols developed by the U.S. Department that enables dissimilar computers to share infomation over a network.
Term
DHCP(Dynamic Host Configuration protocol)
Definition
A protocol that enables a dhcp server to set TCP/Ip settings automatically for a DHCP client.
Term
TFTP(Trivial File transfer protocol)
Definition
A protocol taht transfer files between servers and clients. Unlike ftp,TFTP requires no user login.
Term
DNS(Domain Name System)
Definition
A tcp/ip name resolves host names to ip addresses
Term
Http(s)(Hypertext transfer protocol secure)
Definition
A secure form of http,used commonly for internet business transaction or anytime where a secure connection is required.
Term
ARP(Address resoultion Protocol)
Definition
A protocol in the tcp/ip suite used with the command-line utility of the same name to determine the mac addesss that corresponds to a particular ip address.
Term
SIP(Session Initiation Protocol)
Definition
a signaling protocol for controlling voice and video calls over ip. SIP competes with H.323 for VOIP dominance.
Term
RTP(Real-time Transport Protocol)
Definition
Protocol that defines the type of packetsused on the internet to move voice or data from a server to clients. The vast majority of VOIP soultions available today use RTP
Term
SSH(Secure Shell)
Definition
A terminal emulation program that look exactly like telnet but encrypts the data. SSH has replace telnet on the internet.
Term
POP3(Post Office Protocol Version 3)
Definition
One of the two protocols that receive e-mail from SMTP servers. Pop3 uses TCP port 110. Most e-mail clients uses this protocol, although some use IMAP4
Term
NTP(Network time protocol)
Definition
Protocol that gives the current time.
Term
IMAP 4(Internet message access protocol verison 4)
Definition
An alternative to POP3 for receiving email from an email server supports searching through messages stored on a server and supports using folders to organize e-mail
Term
Telnet
Definition
A program that enables uses on the interent to log onto remote systems from their own hosts systems
Term
SNMP(Simple network Management Protocol)
Definition
A set of standards for communication with devices connected to a TCP/IP network. Examples of these devices include routers, hubs, and switches.
Term
ICMP(Internet Control Message Protocol)
Definition
Protocol in which messages consist of a single packet and are connectionless ICMP packets determine connectivity between hosts.
Term
IGMP(Internet group managment protocol)
Definition
Protocol that routers use to communicate with hosts to determine a "group" membership in order to determine which computers want to recive a multicast.
Term
TLS(Transport Layr Security)
Definition
A robust update to SSL that works with almost any tcp application.
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