Given: ABC Hospital is planning a Wi-Fi infrastructure upgrade where the 802.11b/g APs would be
replaced with new dual-radio HT (802.11n) APs. ABC wants to minimize the time and cost
associated with performing a new site survey, so they will be mounting all of the new APs in the
same locations and with the same cable drops as the existing APs.
What is one performance drawback with this deployment method?

Given: In a single channel architecture (SCA) WLAN system, 802.11n (HT) APs should not share
an SSID with 802.11g (ERP) APs.
What is the reason for this recommendation?

Which unit of measurement is a relative unit that is used to quantify power level changes?

Given: Return Loss is the decrease of forward energy in a system when some of the power is
being reflected back toward the transmitter.
What causes high return loss in an RF transmission system?

The OSI model is a 7-layer model for understanding the functions of a communication system.
What OSI sublayers are specifically addressed by the IEEE 802.11-2007 standard? (Choose 2)

The 802.11 protocol specifies a fundamental channel access method that is required for all
stations and is used in all IBSS and BSS networks.
What is this fundamental channel access method called?

What factor is NOT taken into account when calculating the Link Budget of a point-to-point outdoor
WLAN bridge link?

ABC Company is planning a point-to-multipoint outdoor bridge deployment with standalone
(autonomous) 802.11 bridge units. 802.1X/EAP will be used for bridge authentication. What device
in the bridge implementation acts as the 802.1X Authenticator?

The IEEE 802.11a/n physical layer technologies utilize the 5 GHz frequency band. What is true of
the two lower bands (UNII-1 and UNII-2) in this frequency spectrum? (Choose two)

Given: Two co-located 802.11b/g/n APs can interfere with one another and cause contention and
collisions, even when the two APs are operating on non-overlapping channels (e.g. 1 & 6).
What deployment flaw could cause this problem? (Choose two)