Q & R Flashcards
QA
Quality Assurance
The monitoring and control function an organization
that identifies, prevents or corrects errors in processes,
procedures or products.
QoS
Quality of Service
A networking function that seeks to reserve bandwidth
in order to preserve the timing and availability of
communication, especially as it pertains to multimedia.
RA
Recovery Agent
The party in PKI who is capable of obtaining a private
key locked away in escrow.
RA
Registration Authority
This is the entry point of a subject into PKI. It is here
that a party establishes and verifies identity before
obtaining keys.
RAD
Rapid Application Development
A model of application development that very quickly
works through the development phases.
RADIUS
Remote Authentication Dial-in User Server
The most common centralized authentication service.
RAID
Redundant Array of Inexpensive Disks
A set of standards that specify varying levels of fault
tolerance, performance and system requirements for
hard drive data storage.
RAM
Random Access Memory
This is a form of storage that allows specific and
independent access to information and does not require
a sequential read or write.
RAS
Remote Access Server
A Microsoft specific term that relates to servers that
facilitate modem-based access to an intranet.
Ransomware
Cryptovirology
Requires payment for return of information.
RAT
Remote Access Trojan
Software that implements illicit remote control
software.
RBAC
Role-based Access Control
A model of access control, typically implemented in an
inverted tree, where rights float down.
RBAC
Rule-based Access Control
A model of access regulation commonly used for
firewalls and physical controls.
RC4
Rivest Cipher version 4
A now deprecated encryption algorithm used by SSL
and WEP.
RCS
Rich Communication Services
This is designed to become a successor to SMS
messaging that provides communication between
phones and carriers.
