WEP is a mandatory encryption mechanism. True or false?

In what frequency band does 802.11a operate in?

How many non-overlapping channels are available with 802.11b wireless LANs?

True of false: 802.11g operates at up to 54 Mbps and interoperates with 802.11b.

A learning bridge forwards all packets. True or false?

True or false: FDMA requires users to take turns transmitting signals.

WPA uses TKIP and is a subset of the 802.11 i standard. True or false?

You work as a Network Administrator for Tech Perfect Inc. You have to implement a wireless LAN
network for the company. After implementing the network, you check all the functions and find that
most of its clients try to send data on the same channel at the same time. As a result, a collision
occurs in the network and it affects the communication. What is the reason behind this problem?

The network administrator of a company makes some changes in monitor mode of the access
point using a CLI session. This change affects the value of the channels that are monitored in the
monitor mode. Which command has he run on the access point?

A company has a wireless network. In this network, collisions occur when more than one device
sends data at the same time. Which physical layer function can a network administrator perform to

determine whether or not any device is sending data to the channel?