Exam 23: Wireless Networking

IrDA links are direct ____________________ and are susceptible to interference.

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

Wireless networks using infrared light are limited to those that use the ____________________ protocol.

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

Communication will fail if the encryption level,key,and ____________________ do not match on the wireless client node.

Assuming the wireless NIC is able to pass packets,what would you check next to resolve connectivity issues?

What 802.11n feature increases its range and speed?

To prevent others from picking up your wireless signal,__________ the radio power until you can get reception at the furthest point inside your home or office,but not outside.

When using an omni-directional antenna,where is the best place to keep it in your home or office?

What are the two wireless network modes?

Why should a user upgrade from WEP or WPA to WPA2?

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

Which of the following has a security flaw that allows a hacker to guess an eight-digit code?

What is the maximum distance of a Class 3 Bluetooth device?

What frequencies does 802.11n use?

WPA2 uses the ____________________ for encryption.

Explain what the CA means in CSMA/CA.

How many bits does WEP encryption use to scramble data packets?

Installing a wireless __________ can give you even more power.

What should you consider decreasing on a WAP to prevent others from receiving your wireless signal?