Your wireless network troubleshooting kit includes an antenna with the following specifications:
Gain: 5 dBi
Azimuth Beamwidth: 55 degrees
Elevation Beamwidth: 50 degrees
Frequency Range: 2.4 – 2.5 GHz and 4.9 – 5.9 GHz
Polarization: Linear
Impedance: 50 Ohms
For what aspect of network troubleshooting would this antenna be most useful?

What is indicated to a QoS AP when a QoS STA sets U-APSD Flag bits to 1 in (Re) Association frames?

With what access category’s parameters are WLAN multicast video frames transmitted when the EDCAF is
in use by the transmitting station?

Many access points support IEEE 802.1Q VLAN tagging. When analyzing a WLAN system using IEEE
802.1Q tags, where can the VLAN tag number be seen?

When a client station operating under EDCA sends an RTS frame and NAV protection is desired for only
the first or sole frame in the TXOP, the duration field will contain an amount of time, measured in
microseconds, equal to which of the following?

As it pertains to HT L-SIG TXOP Protection, what statement is true?

IEEE 802.11-2007 specifies two ERP protection mechanisms: RTS/CTS and CTS-to-Self. Which statement
is true regarding these two protection mechanisms? (Choose 2)

WMM-PS trigger frames can be what type of IEEE 802.11 frames? (Choose 2)

Given: Your network consists of HT and ERP access points, and you are implementing VoWiFi with support
for U-APSD.
When an ERP handset operating in WMM Power Save mode with a ReceiveDTIMs parameter of TRUE
receives a Beacon containing a DTIM indicating queued broadcast traffic, what task is the handset required
to perform?

Which statement accurately describes IEEE 802.11 Power Save operation in a Basic Service Set that does
not support the QoS facility?