Dell 28XX Protocol Data Unit., Quality of Service. , Rapid Spanning Tree Protocol, Remote Monitoring, Remote Authentication Dial-In User Service, Packet Internet Groper.

175
PDU
Protocol Data Unit. A data unit specified in a layer
protocol consisting of protocol control information
and layer user data.
PING
Packet Internet Groper. Verifies if a specific IP
address is available. A packet is sent to another IP
address and waits for a reply.
Port
Physical ports provide connecting components that
allow microprocessors to communicate with
peripheral equipment.
Port M irro ring
Monitors and mirrors network traffic by forwarding
copies of incoming and outgoing packets from one
port to a monitoring port.
Port S peed
Indicates port speed of the port. Port speeds
include:
• Ethernet 10 Mbps
• Fast Ethernet 100Mbps
• Gigabit Ethernet 1000 Mbps
Protocol
A set of rules that governs how devices exchange
information across networks.
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.