M
- MAC
See Media Access Control.
- MAC address
The address that is either assigned to a network card or burned into the NIC. This is how PCs keep track of one another and keep each other separate.
- macro virus
See virus.
- magnetic flux
This is represented by the Greek letter φ (phi), and is a measure of the quantity of magnetism using the strength and the extent of a magnetic field.
- mail exchange (MX) record
A DNS record type that specifies the DNS host name of the mail server for a particular domain name.
- managed objects
Devices managed by SNMP.
- Management Information Base (MIB)
Software on hosts used by SNMP to manage devices.
- mechanical transfer registered jack (MT-RJ)
A jack used to connect pairs of optical fibers together. It ...
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