CWNA-106 Exam Questions

What word describes the bending of an RF signal as it passes through a medium of a varying density from that of free space?

What can cause an excessively high VSWR (Voltage Standing Wave Ratio) in a WLAN RF transmission line?

What factors influence the distance that an RF signal can be effectively received? (Choose 3)

As an RF wave propagates through space, the wave front experiences natural expansion that reduces its signal strength in an area. What term describes the rate at which this expansi...

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 transmiss...

What factors are taken into account when calculating the Link Budget of a point-to-point outdoor WLAN bridge link?

A WLAN transmitter that emits a 200 mW signal is connected to a cable with 3 dB loss. If the cable is connected to an antenna with 10 dBi gain, what is the EIRP at the antenna elem...

In a long-distance RF link, what statement about Fade Margin is true?

Which unit of measurement is an absolute unit that is used to quantify power levels on a linear scale?

Why is it recommended for a wireless network administrator to disable 1 Mbps and 2 Mbps data rates on the WLAN infrastructure? (Choose 2)

You have been sent as a consultant to a customer site that is experiencing problems with some 2.4 GHz clients on their 802.11a/g/n/ac network. After collecting information from the...

What problems may occur when there are hidden nodes in the BSS?

ABC Company has a 2.4 and 5 GHz WLAN deployment. DFS functionality is enabled as required by the regulatory domain and APs use DFS channels as long as radar is not detected. Band s...

What statement about 802.3-2012, Clause 33 Power over Ethernet is true?

When planning an access point deployment that utilizes Power over Ethernet (PoE) switches at the network edge, what design decision could adversely affect the operation of 802.3-20...

What statements describe industry practices for communication protocols between WLAN controllers and controller-based APs? (Choose 2)

What WLAN system feature is required to produce a scenario with the following configuration on a single access point? (Choose 2) 1. SSID = Guest / BSSID = AA:AA:AA:AA:AA:AA / VLAN...

What problems may exist for a multiple channel architecture (MCA) WLAN when its APs are all operating at full power (typically 100mW)? (Choose 2)

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?

How is throughput capacity scaled in a single channel architecture (SCA) WLAN system?

The IEEE 802.11-2007 standard specifies which channel access methods as a part of the Hybrid Coordination function?

What mechanisms are specified by the IEEE 802.11-2007 standard to assure that only one radio is transmitting on the RF medium at a given point in time?

What features are supported by 802.11 WLAN controllers?

Given: ABC Company is opening a new branch office that needs an 802.11 WLAN to support a mission-critical application. The IT manager has considered implementing a remote office WL...

What device feature is user configurable for RSN-capable 802.11 WLAN client devices?

What are some common components of 802.11 WLAN client utilities?

What features are available within 802.11 WLAN client utilities?

What are possible causes of the "hidden node" problem with 802.11 WLANs?

If an 802.11 RF signal reaches a receiving antenna simultaneously by direct and indirect (reflected) paths, what effect might the reflected signal have on the signal that took the...

Identify the feature designed IT wireless clients to improve battery life when only a single spatial stream in needed.

Your company informs you that they are trying to hook a new laptop up to their 802.11g network. Your company says that even though the utility shows that the access point has high...

What antenna technologies are used to help overcome null areas of RF coverage due to multipath? (Choose 2)

Which authentication methods generate dynamic encryption keys as a by-product? (Choose 2)

What are two BSS modes specified the 802.11 Clause 20 (High Throughput) PHY? (Choose 2)

The IEEE 802.11-2007 standard specifies which channel access method as a part of the Hybrid Coordination function?