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18 Appendix - Glossary of Terms
Table 18-1 Glossary of Terms
100Mbit / s baseband Ethernet specification uses two pairs of
category 5 twisted-pair connection, which can provide the
maximum transmission rate of 100Mbit / s
10Mbit / s baseband Ethernet specification uses two pairs of
twisted-pair (category 3/4/5 twisted pair) connection, one of
which will be used for sending data and the other for
receiving data, which can provide the maximum transmission
rate of 10Mbit / s
Dynamic Domain
Name
Service
Dynamic Domain Name Service can achieve the resultion
between the fixed domain name and the dynamic IP address
Dynamic Host
Configuration
Protocol
Dynamic Host Configuration Protocol dynamically assigns
IP address, subnet mask, gateway and other information of
the host in the network
Dynamic Host
Configuration
Protocol Server
Dynamic Host Configuration Protocol Server is a device
running DHCP Dynamic Host Configuration Protocol and is
mainly used to assign IP address to the clients of DHCP
Domain Name Service resolves domain name into IP
address. DNS information is distributed hierarchically
between DNS servers throughout the Internet. When we visit
a website, DNS server views the domain name sending the
request and searches for the corresponding IP address. If the
DNS server can not find the IP address, it will submit the
request to the superior DNS server and continue to search for
the IP address. For example, the IP address corresponding to
the domain name www.yahoo.com is 216.115.108.243
Firewall technology protects your computer or local area
network from malicious attacks or access from the external
network
Media Access
Control address
Media Access Control address is the permanent physical
address assigned by the manufacturer to the device. It is
composed of 6 pairs of hexadecimal digits. For example:
00-0F-E2-80-65-25. Each network device has a global
unique MAC address
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