ZyXEL Communications P-2612HW-F1 - Spezifikationen PDF herunterladen (Seite 71)

of specific applications and installations. Configurations are easily changed and range

from peer-to-peer networks suitable for a small number of users to full infrastructure

networks of thousands of users that enable roaming over a broad area.

What are the disadvantages of Wireless LANs?

The speed of Wireless LAN is still relative slower than wired LAN. The most popular

wired LAN is operated in 100Mbps, which is almost 10 times of that of Wireless LAN

(10Mbps). A faster wired LAN standard (1000Mbps), which is 100 times faster,

becomes popular as well. The setup cost of Wireless LAN is relative high because the

equipment cost including access point and PCMCIA Wireless LAN card is higher than

hubs and CAT 5 cables.

Where can you find wireless 802.11 networks?

Airports, hotels, and even coffee shops like Starbucks are deploying 802.11 networks

so people can wirelessly browse the Internet with their laptops. As these types of

networks increase, this will create additional security risk for the remote user if not

properly protected.

What is an Access Point?

The AP (access point also known as a base station) is the wireless server that with an

antenna and a wired Ethernet connection that broadcasts information using radio

signals. AP typically acts as a bridge for the clients. It can pass information to wireless

LAN cards that have been installed in computers or laptops allowing those computers

to connect to the campus network and the Internet without wires.

What is IEEE 802.11?

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ZyXEL Communications P-2612HW-F1 - Spezifikationen Seite 71