98
GigaX2024/2048 L2 Managed Switch User Manual
binary, IP address, subnet, “IP Addresses Explained” section.
NIC
Network Interface Card
An adapter card that plugs into your computer and provides
the physical interface to your network cabling, which for
Ethernet NICs is typically an RJ-45 connector. See Ethernet,
RJ-45.
packet
Data transmitted on a network consists of units called
packets. Each packet contains a payload (the data), plus
overhead information such as where it came from (source
address) and where it should go (destination address).
ping
Packet Internet (or Inter-Network) Groper
A program used to verify whether the host associated with
an IP address is online. It can also be used to reveal the IP
address for a given domain name.
port
A physical access point to a device such as a computer or
router, through which data flows into and out of the device.
protocol
A set of rules governing the transmission of data. In order
for a data transmission to work, both ends of the connection
have to follow the rules of the protocol.
PVLAN
Private Virtual Local Area Network
QoS
Quality of Service.
Defined in 802.1Q. For datacommunication network
performance, QoS characteristics are bandwidth, delay, and
reliability.
remote
In a physically separate location. For example, an employee
away on travel who logs in to the companyʼs intranet is a
remote user.
RJ-45
Registered Jack Standard-45
The 8-pin plug used in transmitting data over phone lines.
Ethernet cabling usually uses this type of connector.
RMON
Remote Monitoring
Extensions to SNMP, provide comprehensive network
monitoring capabilities.
routing
Forwarding data between your network and the Internet
on the most efficient route, based on the dataʼs destination
IP address and current network conditions. A device that
