SMC Networks ElliteConnect 2.4GHz/5GHz - Manual (Page 315)

Glossary
Glossary-5
Simple Network Time Protocol (SNTP)
SNTP allows a device to set its internal clock based on periodic
updates from a Network Time Protocol (NTP) server. Updates
can be requested from a specific NTP server, or can be received
via broadcasts sent by NTP servers.
Trivial File Transfer Protocol (TFTP)
A TCP/IP protocol commonly used for software downloads.
Wired Equivalent Privacy (WEP)
WEP is based on the use of security keys and the popular RC4
encryption algorithm. Wireless devices without a valid WEP key
will be excluded from network traffic.