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PPP. Point-to-Point Protocol. Provides a method for transmitting datagrams
over serial router-to-router or host-to-network connections using synchronous
or asynchronous circuits.
Pre-Shared Key. The Pre-Shared Key is a parameter used for authenticating
each side. The value can be an ASCII or Hex and a maximum of 64 charac-
ters.
Pre-Shared Key Type. The Pre-Shared Key Type classifies the Pre-Shared
Key. SafeHarbour supports
ASCII
or
HEX
types
protocol. Formal set of rules and conventions that specify how information
can be exchanged over a network.
PSTN. Public Switched Telephone Network.
-----Q-----
QoS. Quality of Service. The ability of a network to prioritize certain kinds of
network traffic to provide reserved bandwidth and reduced latency needed
by some real-time and interactive traffic such as voice and video over IP.
QoS also provides priority for one or more flows, such that one flow does not
make other flows fail.
-----R-----
repeater. Device that regenerates and propagates electrical signals
between two network segments. Also known as a hub.
RFC. Request for Comment. Set of documents that specify the conventions
and standards for TCP/IP networking.
RIP. Routing Information Protocol. Protocol responsible for distributing infor-
mation about available routes and networks from one router to another.
RJ-11. Four-pin connector used for telephones.
RJ-45. Eight-pin connector used for 10BaseT (twisted pair Ethernet) net-
works.