Exam 22: Wireless Networking

What should you check first when troubleshooting wireless connectivity issues?

What is the purpose of an infrared access point device?

What method do wireless networks use to determine if other nodes are currently broadcasting?

What is the standard straight-wire omnidirectional wireless antenna called?

Wireless networks running in ______________ mode use one or more wireless access points to connect the wireless network nodes to a wired network segment.

At what frequency range do the 802.11b- and 802.11g-based wireless technologies operate?

What is an Independent Basic Service Set (IBSS)?

Which protocol does WPA use to provide a new encryption key for every sent packet?

Devices such as ______________ and ______________ also use the 2.4-GHz frequency and can cause a great deal of interference.

The maximum distance between infrared devices is ______________.

Which standard or protocol represents a security improvement in WPA2 over WEP and WPA?

The standard straight-wire antennas that provide most omni-directional function are called ______________ antennas.

What are the throughput, range, and frequency of the 802.11g wireless standard?

What are the two wireless network modes?

The 802.11g standard is backward-compatible with ______________.

Describe spread-spectrum.

What is a wireless service area that has been extended by adding more WAPs?

What is the theoretical maximum range of the 802.11a wireless networking standard?

______________ is designed to create small wireless networks preconfigured to do very specific jobs.

The IEEE 802.11 wireless Ethernet standard defines methods by which devices may communicate using ______________ radio waves.