Appendix A
A.1 Glossary of Terms
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Router Advertisement. The RA messages are sent by the routers in the net-
work when the hosts send multicast router solicitation to the multicast ad-
Radio Detection and Ranging. Radar is an object-detection system that uses
radio waves to determine the range, angle, or velocity of objects.
Remote Authentication Dial-In User Service. An Industry-standard network
access protocol for remote authentication. It allows authentication, authoriza-
tion, and accounting of remote users who want to access network resources.
Rogue Access Point identification and Detection System. An AMP module
that is designed to identify and locate wireless threats by making use of all of
the information available from your existing infrastructure.
Reverse Address Resolution Protocol. RARP is a protocol used by a physical
machine in a local
area network for determining the IP address from the ARP
table or cache of the gateway server.
Regular Expression. Regex refers to a sequence of symbols and characters
defining a search pattern.
Type of Certificate Authority that processes certificate requests. The Regis-
tration Authority verifies that requests are valid and comply with certificate
policy, and authenticates the user's identity. The Registration Authority then
forwards the request to the Certificate Authority to sign and issue the certifi-
Remote APs extend corporate network to the users working from home or at
temporary work sites. Remote APs are deplyed at branch office sites and are
connected to the central network on a WAN link.
Representational State Transfer. REST is a simple and stateless architecture
that the web services use for providing interoperability between computer
systems on the Internet. In a RESTful web service, requests made to the URI
of a resource will elicit a response that may be in XML, HTML, JSON or
some other defined format.
Radio Frequency. RF refers to the electromagnetic wave frequencies within a
range of 3 kHz to 300 GHz, including the frequencies used for communica-
tions or Radar signals.
Request For Comments. RFC is a commonly used format for the Internet
Radio Frequency Identification. RFID uses radio waves to automatically iden-
tify and track the information stored on a tag attached to an object.
Routing Information Protocol. RIP prevents the routing loops by limiting the
number of hops allowed in a path from source to destination.
Registered Jack 45. RJ45 is a physical connector for network cables.
Return Merchandise Authorization. RMA is a part of the product returning
process that authorizes users to return a product to the manufacturer or dis-
tributor for a refund, replacement, or repair. The customers who want to re-
turn a product within its Warranty period contact the manufacturer to initiate
the product returning process. The manufacturer or the seller generates an
authorization number for the RMA, which is used by the customers, when
returning a product to the warehouse.
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