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The programs and data are shared by client machines (workstations) on the
network.
SMTP
SMTP (Simple Mail Transfer Protocol) is the standard Internet e-mail protocol.
SMTP is a TCP/IP protocol defining message format and includes a message
transfer agent that stores and forwards mail.
Subnet Mask
Subnet Masks are used by IP protocol to direct messages into a specified network
segment (i.e., subnet). A subnet mask is stored in the client machine, server or
router and is compared with an incoming IP address to determine whether to
accept or reject the packet.
SysLog Server
A SysLog server monitors incoming Syslog messages and decodes the
messages for logging purposes.
TCP
(Transmission Control Protocol) is the transport protocol in TCP/IP that ensures
messages over the network are transmitted accurately and completely.
TCP/IP
TCP/IP (Transmission Control Protocol/Internet Protocol) is the main Internet
communications protocol. The TCP part ensures that data is completely sent and
received at the other end. Another part of the TCP/IP protocol set is UDP, which is
used to send data when accuracy and guaranteed packet delivery are not as
important (for example, in real-time video and audio transmission). The IP
component of TCP/IP provides data routability, meaning that data packets contain
the destination station and network addresses, enabling TCP/IP messages to be
sent to multiple networks within the LAN or in the WAN.
UDP
(User Datagram Protocol) is a protocol within TCP/IP that is used to transport
information when accurate delivery isn't necessary (for example, real-time video
and audio where packets can be dumped as there is no time for retransmitting the
data).
Virtual Servers
Virtual servers are client servers (such as Web servers) that share resources with
other virtual servers (i.e., it is not a dedicated server).
WAN
WAN (Wide Area Network) is a communications network that covers a wide
geographic area such as a country (contrasted with a LAN, which covers a small
area such as a company building).