In a loopback switch the sender and recipient are identical.
Long Term Evolution (LTE), also known as 4G, is a mobile commu-
nications standard with a standardised maximum data transmission
rate of 300 Mbit/s.
The Media Access Control address (MAC address) is the hardware
address of the network adapter and is used to identify the device at
the hardware level.
When establishing an IPSec connection, main mode is used to im-
plement a phase 1 exchange by setting up a secure channel. See
also Aggressive mode.
In a Man-in-the-Middle attack, the attacker is physically or logically
between the two communication partners and so is able to view, and
even manipulate, the data traffic.
Message Digest Algorithm 5 (MD5) is a hash function that generates
a 128 bit hash value (checksum). See also Hash.
A media gateway converts the network type of digital voice, audio or
image information. For example, the signals from an ISDN network
can be converted to an IP network.
The metric is a measure for the properties of the route. The fastest
route has the lowest metric (costs). Simplified, this is connecting
with the smallest number of node points (routers).
The Management Information Base (MIB) describes the data that
can be queried or modified via a network management protocol (e.
g. SNMP). The MIB is a database that describes all the devices and
functions in the network.
The Multicast Listener Discovery (MLD) is used in IPv6 networks to
organise multicast groups.
A modem is an electronic device that converts digital signals to fre-
quency signals in order to distribute data in a wired or wireless net-
work.
The MAC Protocol Data Unit (MPDU) refers to a data packet, includ-
ing management frames and fragmented MSDUs, exchanged wire-
lessly.
Microsoft Point-to-Point Compression (MPPC) is a method of data
compression.
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Glossary
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