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GN-A11G Wireless LAN Access Point
DNS
The Domain Name System (DNS) is a distributed Internet directory service.DNS
is used mostly to translate between domain names and IP addresses, and to
control Internet email delivery. Most Internet services rely on DNS to work, and if
DNS fails, web sites cannot be located and email delivery stalls.
Dynamic IP Address
A IP address is automatically assigned to a user’s AP in a TCP/IP network
typically by a DHCP server.
Firewall
A system designed to prevent unauthorized access to or from a private network.
Firewalls can be implemented in both hardware and software, or a combination
of both.Firewalls are frequently used to prevent unauthorized Internet users from
accessing private networks connected to the Internet, especially intranets.All
messages entering or leaving the intranet pass through the firewall, which
examines each message and blocks those that do not meet the specified
security criteria.
Gateway
A device, usually a Router, that connects hosts on a local network to other
networks.
IP Address
Every PC on the Internet has a fixed identifying number, called a IP Address. A
typical IP address looks like this: 216.27.61.137
MAC Address
On a local area network (LAN) or other network, the MAC (Media Access Control)
address is your computer’s fixed hardware number.Usually written as:
01:23:45:67:89:ab
Ping (Packet Internet Groper)
A utility to determine whether a specific IP address is accessible. It works by
sending a packet to the specified address and waiting for a reply. PING is used
primarily to troubleshoot Internet connections.
Router
A device that forwards data packets along networks. A router is connected to at
least two networks, commonly two LANs or WANs or a LAN and its ISP network.
Routers are located at gateways, the places where two or more networks
connect.
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