What are some significant drawbacks that are present with WPA/WPA2-Enterprise that are not present with WPA/WPA2-Personal?(Choose all that apply.)

Response:

Which type of authentication and encryption method is mandatory for Voice Enterprise certified devices as specified by the Wi-Fi Alliance?

What kind of site survey helps you identify if roaming is working as designed?

Location technology (RTLS) can use which of the following methods?(Choose all that apply.)

Response:

You have determined the best mounting locations for APs in a given installation. The facilities manager has asked you to change the locations for

several APs due to aesthetic concerns. You suggest mounting the APs in the ideal locations and painting them so they go unnoticed in the

environment.

What is a valid recommendation or consideration when painting APs?

What are the two types of WLAN discovery/scanning?

Response:

HR/DSSS specifies the following PHY rates:

Response:

Given: As the wireless network administrator for XYZ Company, you are planning to upgrade your aging wireless network infrastructure, as well as some clients, to support 802.11ac.

In your research, you have discovered that your new wireless client devices and infrastructure are 802.11ac, WMM, and WMM-PS certified by the Wi-Fi Alliance. Some of your existing client devices are 802.11a/b/g devices that do not support WMM.

Given this information, what scenario is possible when your company's employees begin using both types of client devices on the new WLAN?

Response:

If the amplifier in Question 4 has a noise figure of 10 dB but a gain of 0 dB, what is the total noise figure of the cable, amplifier, and filter in series?

Response:

What is a radome?

What statements are true regarding jitter and latency?(Choose all that apply.)

Response:

What kind of applications has the character traits of many communications back and forth between the server and client for each transaction initiated by the user?

For example, several files, images and other data files may be required to download to the client with each click from the user. Choose the best answer.

Response:

Assume that your network operates in a regulatory domain that allows use of the entire 5 GHz space allowed in the 802.11ac amendment. In your

upcoming

802.11ac deployment, you would like to take advantage of the performance improvements that result from channel bonding. However, after

extensive testing, you have determined that your mission-critical WLAN should not use channels requiring DFS support.

Given those two criteria (enable channel bonding and disable DFS channels), in the 5 GHz spectrum, how many non-overlapping 40 MHz channels

will your system be able to use?

What type of protection should be provided to outdoor antenna installations?

Response:

What roaming technology uses stored keys at the APs for roam back if a client STA returns after having roamed away?

Response:

During a validation site survey, you realize that the installers mounted some of the APs above the ceiling. They said that this was a request from

the building architect due to aesthetics constraints. During the requirements gathering, you weren't advised about any aesthetics constraints from

the main stakeholder of the project. What should you do in this case?

If radar has reportedly been detected on your WLAN deployment, what bands would you consider avoiding?

Response:

During a validation site survey, you realize that the installers mounted some of the APs above the ceiling. They said that this was a request from the building architect due to aesthetics constraints.

During the requirements gathering, you weren't advised about any aesthetics constraints from the main stakeholder of the project. What should you do in this case?

Response:

What might limit the ability to locate 802.11 clients using a WLAN infrastructure without an 802.11 tag?

After designing a WLAN infrastructure using predictive design software. What's the best way to validate the predictive design in the physical space

before deployment, if time and budget allow for it?

Which of the following items could be considered constraints when performing a network design?(Choose all that apply.)

When designing for a PTP outdoor link, what important consideration should be made about local vegetation?(Choose all that apply.)

Response:

In a large enterprise (5000+ wireless users), by what would NOT be a recommended method by which IP addresses and VLANs are assigned to

different clients associated to the same AP?

A cable with 2.5 dB of loss is used to measure the return loss of an antenna. The measured value in-band is shown to be larger than 20 dB. What is the actual return loss of the antenna, and is it considered to be a reasonable value?

Response:

You desire to achieve a 450 Mbps MCS. What 802.11n features (from the numbered list below) are required?

1. Frame aggregation

2. Short GI

3. 40 MHz channels

4. 2 spatial streams

5. 3 spatial streams

6. Transmit beamforming (TxBF)

What type of standards-based encryption is used by office extension APs for the traffic tunnel?(Choose all that apply.)

Response:

What limitation exists when WMM is not enabled on an 802.11n WLAN?

Response:

What is the chip rate of 1 Mbps 802.11b?

Response:

You are planning for client devices in a WLAN that is be upgraded to 802.11ac. Which one of the following devices is more likely to have support for 3x3:3 radios and 256 QAM?

Response:

What is the DSCP Per Hop Behavior equivalent classification of the 802.11 AC_VO priority level?

What functions may be performed by a WIPS?(Choose all that apply.)

What is the meaning of a Real Time FFT graph?

One of your customers plans on providing wireless coverage to a warehouse facility. After performing an initial walkthrough, you collect the

following information:

The central part of the warehouse is between 400 and 600 feet (122 to 183 meters) from the warehouse switches mounted on the walls.

✑The warehouse storage is composed of metallic racks with varying inventory levels and contents, from electronics and plastic toys to food

pallets and juice bottles.

✑Workers need basic data coverage from their working location, and are not highly mobile. They usually work from one single aisle, and their

laptop is on a cart with wheels.

What would be your one recommendation to provide coverage to the central area of the warehouse?

As a device starts to shift to lower PHY rates, what factors usually influence a device decision to shift to lower PHY rates?(Choose all that apply.)

Before performing a pre-deployment passive RF survey of a new deployment using survey mapping software, which of the following must be performed?

Response:

What document should be created that provides instructions for install technicians to mount and configure APs?

For an antenna 35 dBi of gain is needed. What antenna type should be used to achieve this gain?

Response:

Your customer requires fast secure roaming. Which two types of roaming are specified in 802.11-2016 FT roaming that will help meet this goal?

Name the audience type not addressed in this chapter for HLDs.

Response:

iPerf is a tool used in site surveys and validation surveys for what purpose?

Response:

You are conducting a physical site survey where heavy machinery is repaired. What is a common item required specifically for this type of survey?

What might limit the ability to locate 802.11 clients using a WLAN infrastructure without an 802.11 tag?(Choose all that apply.)

A signal passes through a 10-meter cable, an amplifier, and then a filter. The amplifier has an output that is eight times higher in power than its input. Each meter of cable reduces the signal level by a factor of 4. The filter has a loss of 5 dB.

What is the total loss/gain of the three elements in series?

Response:

In 802.11, clients are required to be calibrated for RSSI and SNR reporting to:

What VoWiFi implementations frequently require multicast packet delivery support by the WLAN infrastructure?

You are on site, planning a network at a freight shipping company on a busy harbor. Since the preliminary WLAN design specifies support for the 5

GHz spectrum, you would like to test for radar pulses to determine if DFS channels should be supported at this facility. As a part of your spectral

survey with a laptop-based analyzer, you include DFS testing to identify the presence of radar. This is done by manually observing Real-time FFT,

Duty Cycle, and Active Devices charts of the spectrum analyzer software.

What potential drawback is present with this DFS test method?

In a multiple channel architecture (MCA) network supporting 802.1X authentication, what aspect of WLAN design affects client roaming efficiency

and effectiveness?

You have been tasked with performing safety and operations training for outdoor bridge link installation. The antennas are to be installed on a 70-foot tower on one end and the roof top of an office building on the other end.

What might be required for the tower installation?

Response:

During your first pre-deployment meeting with the deployment team, you hand out the full design documentation to all of them. What's your

primary goal during this meeting?

A table of VLANs in a _________ document should include what device performs ________ services.(Fill in the blanks)

Response:

When designing a WLAN to support voice in a large office, which design element is of the highest concern for performance?

During lunch time in the break room of a company, Wi-Fi connectivity on the 2.4 GHz band is intermittent. Every other time of the day, it works fine.

What's the likely cause of this issue?

A customer wants to deploy a WLAN that employs centralized forwarding. What LAN requirements should you look for?

Response:

When designing a static channel plan for an office using voice devices near an airport, which range of channels should be avoided to ensure

optimal performance when implemented?

In the enterprise, when is WPA/WPA2-Personal generally a recommended solution?(Choose all that apply.)

Response:

When analyzing published competitive tests by equipment vendors, what items are the tests usually lacking?(Choose all that apply.)

Response:

Which DHCP option, when required, should be configured and enabled to help APs locate their wireless LAN controller?

What basic RF math formula should be used as a baseline to convert an RF value in units of dBm into a value of mW?

*Note: "dBm" in the formulas represents the known dBm value

Switches and APs have already been chosen by your customer. All switches support 802.3bz MultiGig interfaces and APs are 4x4:4 802.11ac

wave 2 capable of using dual-5GHz and have one MultiGig interface. Some cable drops for the APs will run for more than 180.5 feet (or 55

meters). To support MultiGig, what is the best choice of cabling?

What document is typically created to launch a project?

Response:

What advantages are provided by per-user PSKs when compared with ESS-wide PSKs?(Choose all that apply.)

Response:

In a PC-based spectrum analyzer, what data chart identifies the overall RF utilization of a specific frequency in the environment being surveyed?

What is the most suitable antenna option to be used when designing a WLAN infrastructure with APs mounted on a ceiling with a height of more

than 20 feet and having all of the client stations used from the floor?

You're about to deploy an Enterprise-class VoWLAN infrastructure. You need to ensure that QoS is properly configured throughout the network.

What Access

Category (AC) should voice frames/packets use?

When troubleshooting coverage issues for a wireless network as it appears to new client associations, you should perform which type of survey?

Response:

An engineering firm just upgraded their WLAN form nine 802.11n APS to nine 802.11ac APs. After this upgrade, they did not see any improvement

in throughput.

What is the most likely cause of this result?

Looking at a client radio specification sheet that states Receive Sensitivity of −82 dBm @ 18 Mbps would mean:

Response:

You told your customer that multipath fading may be mitigated simply by moving one or both of the receivers antennas a small amount, usually by

one to four wavelengths away from its original position. Your customer is prepared to make the change, but does not know the wavelength for

802.11ac.

What is the approximate wavelength of an 802.11ac radio wave?

A museum wants to offer Wi-Fi to its visitors. One of their requirements is to have the APs blend into the design of the museum. What should you

do to meet this requirement?