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1.    SMTP – Simple Mail Transfer Protocol – Protocol for sending E-mail messages between
2.    NFS – Network File System – A client/server application that allows all network users access
      to shared files stored on computers of different types
3.    TFTP – Trivial File Transfer Protocol – A simple form of the FTP. It has no security
      features. Often used to boot diskless workstations, x-terminals and routers
4.    DNS – Domain Name System (or Service or Server) – An Internet service that translates
      domain names into IP addresses
5.    SNMP – Simple Network Management Protocol – A set of protocols for managing complex
6.    RARP – Reverse Address Resolution Protocol – Protocol used to convert a physical address,
      like an Ethernet address, to be translated into an IP address
7.    ARP – Address Resolution Protocol – Protocol used to convert an IP Address into a physical
8.    FTP – File Transfer Protocol – Protocol for exchanging files over the Internet (Uploading and
      downloading to/from a web server)
9.    Telnet – A terminal emulation program for TCP/IP networks. It is a common way to remotely
      control web servers
10.   PING – Packet Internet Groper – A utility to determine whether a specific IP address is
      accessible. Used primarily to troubleshoot internet connections
11.   ATM – Asynchronous Transfer Mode – A network technology based on transferring data in
      packets of a fixed size.
12.   FDDI – Fiber Distributed Data Interface – A set of ANSI protocols for sending digital data
      over fiber optic cable. Token-passing and 100 Mbps.
13.   IEEE 802.X – A set of networking standards developed by IEEE. Network Management,
      Data Link layer, MAC layer, network protocols and topologies, and MANs
14.   DHCP – Dynamic Host Configuration Protocol – Protocol for assigning dynamic IP
      addresses to devices on a network
15.   WINS – Windows Internet Naming Service – A system that determines the IP address
      associated with a certain network computer
16.   NetBT – NetBios over TCP/IP – Defines an interface that programmers can use to write code
      that performs various networking functions.
17.   Ethernet – A LAN architecture that uses a bus or star topology and supports data transfers of
      10 Mbps. Uses CSMA/CD. IEEE 802.3
18.   Token Ring – A computer network in which all the computers are arranged in a circle. Uses
      Token Passing. IEEE 802.5
19.   IP – Internet Protocol – Specifies the format of packets and the addressing scheme. Usually
      combined with TCP to form TCP/IP
20.   ICMP – Internet Control Message Protocol – An extension to the IP. Supports packets
      containing error, control , and informational messages
21.   IGMP – Internet Group Management Protocol – The standard for IP multicasting in the
      Internet. Used to establish host memberships in particular multicast groups on a single
22.   TCP – Transmission Control Protocol – Enables two hosts to establish a connection and
      exchange streams of data. Guarantees delivery of data and also guarantees that packets will
      be delivered in the same order in which they were sent.
23.   UDP – User Datagram Protocol – Runs on top of IP networks. Very few recovery services.
      Used primarily for broadcasting messages over a network.

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