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Server
Servers are typically powerful and fast machines that store programs and data. 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.
SNMP
SNMP (Simple Network Management Protocol) is a widely used network monitoring and control protocol.
SNMP hardware or software components transmit network device activity data to the workstation used to
oversee the network.
SSID
SSID (Service Set Identifier) is a security measure used in WLANs. The SSID is a unique identifier
attached to packets sent over WLANs. This identifier emulates a password when a wireless device
attempts communication on the WLAN. Because an SSID distinguishes WLANS from each other, access
points and wireless devices trying to connect to a WLAN must use the same SSID.
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 realtime 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.
Telnet
Telnet is a terminal emulation protocol commonly used on the Internet and TCP- or IP-based networks.
Telnet is used for connecting to remote devices and running programs. Telnet is an integral component of
the TCP/IP communications protocol.
UDP
(User Datagram Protocol) is a protocol within TCP/IP that is used to transport information when accurate
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