3e Technologies International Inc. 531AP User Manual

tion hosts. Typically, the DMZ contains web servers, FTP servers, SMTP (email) servers, 

and DNS servers.
NAT (Network Address Translation)
an Internet standard that enables a local-area network (LAN) to use one set of IP addresses 

for internal traffi c and a second set of addresses for external traffi c.
NMS (Network Management Station)
Includes such management software as HP Openview and IBM Netview.
PCMCIA
Short for Personal Computer Memory Card International Association, and pronounced 

as separate letters, PCMCIA is an organization consisting of some 500 companies that has 

developed a standard for small, credit card-sized devices, called PC Cards. Orig i nal ly 

designed for adding memory to portable computers, the PCMCIA standard has been 

expanded several times and is now suitable for many types of devices. 
PC Card
A computer device packaged in a small card about the size of a credit card and con-

 form ing to the PCMCIA standard.
PDA (Personal Digital Assistant)

A handheld device.
SNMP
Simple Network Management Protocol
SSID
A Network ID unique to a network. Only clients and access points that share the same 

SSID are able to communicate with each other. This string is case-sensitive. Wireless LANs 

offer several security options, but increasing the security also means increasing the time 

spent managing the system. Encryption is the key. The biggest threat is from intruders 

coming into the LAN. You set a seven-digit alphanumeric security code, called an SSID, in 

each wireless device and they thereafter operate as a group.
VPN (Virtual Private Network)
A VPN uses encryption and other security mech a nisms to ensure that only authorized us-

ers can access the network and that the data cannot be intercepted. 
WLAN (Wireless Local Area Network)
A  type of local-area network that uses high-frequency radio waves rather than wires to 

communicate between nodes.