ViewSonic
3-in-1 Access Point
43
Roaming.
Moving seamlessly from one AP coverage area to another with
no loss in connectivity.
Router.
A device that forwards data packets from one local area network
(LAN) or wide area network (WAN) to another. Based on routing tables and
routing protocols, routers can read the network address in each transmitted
frame and make a decision on how to send it via the most efficient route
based on traffic load, line costs, speed, bad connections, etc.
Server.
A computer that provides its resources to other computers and
devices on a network. These include print servers, Internet servers and data
servers. A server can also be combined with a hub or router.
SSID
(Service Set Identifier). A 32-character unique identifier attached to
the header of packets sent over a WLAN that acts as a password when a
mobile device tries to connect to the BSS. (Also called ESSID.) The SSID
differentiates one WLAN from another, so all access points and all devices
attempting to connect to a specific WLAN must use the same SSID. A
device will not be permitted to join the BSS unless it can provide the unique
SSID. Because an SSID can be sniffed in plain text from a packet, it does
not supply any security to the network. An SSID is also referred to as a
Network Name because essentially it is a name that identifies a wireless
network.
SSL
(Secure Sockets Layer). Commonly used encryption scheme used by
many online retail and banking sites to protect the financial integrity of
transactions. When an SSL session begins, the server sends its public key
to the browser. The browser then sends a randomly generated secret key
back to the server in order to have a secret key exchange for that session.
Sub network or Subnet.
Found in larger networks, these smaller networks
are used to simplify addressing between numerous computers. Subnets
connect to the central network through a router, hub or gateway. Each
individual wireless LAN will probably use the same subnet for all the local
computers it talks to.
Switch.
A type of hub that efficiently controls the way multiple devices use
the same network so that each can operate at optimal performance. A
switch acts as a networks traffic cop: rather than transmitting all the packets
it receives to all ports as a hub does, a switch transmits packets to only the
receiving port.
TCP (Transmission Control Protocol).
A protocol used along with the
Internet Protocol (IP) to send data in the form of individual units (called
packets) between computers over the Internet. While IP takes care of
Summary of Contents for WAPBR-100
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