Chapter 4 Review Questions

What two primary components make up a wireless adapter and define its capabilities?

• Chipset and antennas

• Memory and antennas

• Hard drive and chipset

• None of these

Laptops most often use what kind of wireless adapter?

• PCI

• Mini-PCIe

• SD

• CF

What adapter type can be used to upgrade a desktop computer easily?

• USB

• SD

• CF

• Half mini-PCIe

What additional PHY is always supported by an adapter that supports 802.11ac in 5 GHz?

• 802.11b

• 802.11g

• 802.3

• 802.11a

Why do mobile phones and tablets often support only a single stream?

• To increase speeds

• To extend battery life

• To decrease CCI

• None of these

When an 802.11ac device is only single stream, what is the maximum channel width it can support?

• 20 MHz

• 40 MHz

• 80 MHz

• 160 MHz

What is a common constraint imposed by specialty devices?

• The use of older chipsets

• The use of multiple spatial streams

• The use of higher output power

• The use of lower output power

In which band do USB 3.0 devices often cause interference?

• 900 MHz

• 2.4 GHz

• 5 GHz

• 60 GHz

When using a WLAN protocol analyzer, which important component must be selected, that is compatible with the software?

• Antenna

• Adapter

• Storage media

• Video card

What kind of adapter is often used for site surveys to increase the accuracy of the gathered metrics?

• ExpressCard

• USB 2.0

• USB 3.0

• PCI