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Q
QoS
Quality of Service. QoS allows network managers to
decide how and what network traffic is forwarded
according to priorities, application types, and source
and destination addresses.
Query
Extracts information from a database and presents the
information for use.
R
RADIUS
Remote Authentication Dial-In User Service. A
method for authenticating system users, and tracking
connection time.
RMON
Remote Monitoring. Provides network information to
be collected from a single workstation.
Router
A device that connects to separate networks. Routers
forward packets between two or more networks.
Routers operate at a Layer 3 level.
RSTP
Rapid Spanning Tree Protocol. Detects and uses
network topologies that allow a faster convergence of
the spanning tree, without creating forwarding loops.
410
Glossary
Running Configuration File
Contains all Startup file commands, as well as all
commands entered during the current session. After
the device is powered down or rebooted, all
commands stored in the Running Configuration file
are lost.
S
Segmentation
Divides LANs into separate LAN segments for
bridging and routing. Segmentation eliminates LAN
bandwidth limitations.
Server
A central computer that provides services to other
computers on a network. Services may include file
storage and access to applications.
SNMP
Simple Network Management Protocol. Manages
LANs. SNMP based software communicates with
network devices with embedded SNMP agents.
SNMP agents gather network activity and device
status information, and send the information back to a
workstation.
SNTP
Simple Network Time Protocol. SNTP assures
accurate network switch clock time synchronization
up to the millisecond.
SoC
System on a Chip. An ASIC that contains an entire
system. For example, a telecom SoC application can
contain a microprocessor, digital signal processor,
RAM, and ROM.
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