CWNP CWNA-109 Practice Test - Questions Answers, Page 11

You are using a site survey tool for post-implementation validation. You have installed the appropriate adapter driver and imported a floor plan. Now, you want to take the next step in proper tool use. What must you do before gathering survey data after the floor plan is imported?

Return Loss is the decrease of forward energy in a system when some of the power is being reflected back toward the transmitter. What will cause high return loss in an RF transmission system, including the radio, cables, connectors and antenna?

What 802.11 PHY uses available space in very low frequency ranges that is not in use at the time by broadcast video signals?

You are evaluating a connection that states the data rate is 150 Mbps. What is the expected throughput of this connection?

You are configuring an access point to use channel 128. What important fact should be considered about this channel?

The IEEE 802.11-2012 standard requires VHT capable devices to be backward compatible with devices using which other 802.11 physical layer specifications (PHYs)?

You are performing a post-implementation validation survey. What basic tool can be used to easily locate areas of high co-channel interference?

During a post-implementation survey, you have detected a non-802.11 wireless device transmitting in the area used by handheld 802.11g scanners. What is the most important factor in determining the impact of this non-802.11 device?

A non-802.11 device is suspected of causing interference on the WLAN. You are not certain of the location or type of device. What is the best solution for locating this non-802.11 device?