Whatisbssid; Whatisessid; What Are Potential Factors That May Causes Interference; What Are The Open Systemand Shared Key Authentications - Rosewill RNX-G40 User Manual

Wireless Router RNX-G40
Ad hoc mode (also called peer-to-peer mode or an Independent Basic Service Set, or IBSS) is simply a set of
802.11 wireless stations that communicate directly with one another without using an access point or any
connection to a wired network. This mode is useful for quickly and easily setting up a wireless network
anywhere that a wireless infrastructure does not exist or is not required for services, such as a hotel room,
convention center, or airport, or where access to the wired network is barred (such as for consultants at a
client site).
4.5 What is BSSID?
A six-byte address that distinguishes a particular a particular access point from others.
Also know as just SSID. Serves as a network ID or name.
4.6 What is ESSID?
The Extended Service Set ID (ESSID) is the name of the network you want to access.It is used to identify
different wireless networks.

4.7 What are potential factors that may causes interference?

Factors of interference:
Obstacles: walls, ceilings, furniture... etc.
Building Materials: metal door, aluminum studs.
Electrical devices: microwaves, monitors and electrical motors.
Solutions to overcome the interferences:
Minimizing the number of walls and ceilings.
Position the WLAN antenna for best reception.
Keep WLAN devices away from other electrical devices, eg: microwaves,monitors, electric motors, ...
etc.
Add additional WLAN Access Points if necessary.
4.8 What are the Open System and Shared Key authentications?
IEEE 802.11 supports two subtypes of network authentication services: open system and shared key. Under
open system authentication, any wireless station can request authentication. The station that needs to
authenticate with another wireless station sends an authentication management frame that contains the
identity of the sending station. The receiving station then returns a frame that indicates whether it recognizes
the sending station. Under shared key authentication, each wireless station is assumed to have received a
secret shared key over a secure channel that is independent from the 802.11 wireless network
communications channel.
4.9 What is WEP?
An optional IEEE 802.11 function that offers frame transmission privacy similar to a wired network. The Wired
Equivalent Privacy generates secret shared encryption keys that both source and destination stations can
use to alert frame bits to avoid disclosure to eavesdroppers.
WEP relies on a secret key that is shared between a mobile station (e.g. a laptop with a wireless Ethernet
card) and an access point (i.e. a base station). The secret key is used to encrypt packets before they are
transmitted, and an integrity check is used to ensure that packets are not modified in transit.
Example 2: wireless Ad Hoc Mode
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