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What is the primary reason for avoiding 160 MHz channels with 802 11 in the 5 GHz band'?
You have designed a WLAN with a plan for 87 APs m a large office building. The customer has informed you that the budget is not as large as they hoped and they can only purchase 53 APs What action should be taken?
What are three potential benefits when an organization lets their employees bring their own device onto the company s network"?
While performing a validation site survey, you realize that overlapping channels are being used on the 2.4 GHz bad due to the automatic channel assignment algorithm of the WLAN infrastructure.
What should you do to prevent this?
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What statements are true regarding jitter and latency?(Choose all that apply.)
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Which definition correctly describes the "local MAC" variation of the centralized WLAN architecture?
When performing an indoor predictive site survey to make the WLAN planning and design cycle more efficient, what is a best practice for
configuration of the simulated APs in the predictive modeling software?
While performing a validation site survey, you realize that overlapping channels are being used on the 2.4 GHz bad due to the automatic channel assignment algorithm of the WLAN infrastructure.
What should you do to prevent this?
You ate evaluating CO impact in 2 4 GHz. During the post-validation survey, you determine that 2 or 3 APs are seen from every location in the 2 4 GHz band with signal strengths above -75 dBm from all seen Aps. Does this show that CO has been removed from the environment given that three non-overlapping channels exist in 2.4 GHz and why?
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?
When analyzing published competitive tests by equipment vendors, what items are the tests usually lacking?(Choose all that apply.)
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In 802.11, clients are required to be calibrated for RSSI and SNR reporting to:
What are some common problems with short (12 or fewer characters) ASCII passphrases in WPA/WPA2-Personal networks?
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A table of VLANs in a _________ document should include what device performs ________ services.(Fill in the blanks)
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What should always be done before connecting an AP to the production network?
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In a convention center, you have received complaints about the WLAN infrastructure. At this moment, the are only two APs in one auditorium.
After analyzing the situation, you determined that there are more client devices that the infrastructure was designed for. There are only two APs to support more than 300 devices using the Wi-Fi at the same time.
What should you do to make the Wi-Fi work as expected?
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A bandpass filter has a maximum in-band loss of 1.5 dB, ripple of 0.4 dB, and a return loss of 15 dB. What is the minimum in-band loss?
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When you see the SKINNY protocol in a post-install validation protocol capture, what does this indicate?
What is the best method of gathering attenuation measurements from any building materials or objects?
A high power radio system transmits at 40,000 Watts. What is this power in dBm? Solve this without a calculator.
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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?
During a post-validation assessment, you have configured a client for 802.1X/EAP but it is not passing authentication. Which areas should you check in the WLAN configuration?
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Prior to meeting with the customer for the first time, you should do which of the following?
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You are validating association capabilities from clients to an 802.1X/EAP secure SSID. The RADIUS server's IP address is 10.100.50.25 and the
default RADIUS authentication port is used. When testing them, none of the clients are able to associate to the SSID. Troubleshooting the WLAN
infrastructure, you found out that the server is up and the RADIUS service is up as well, but the authenticator is not able to communicate properly
with the server. What's your next troubleshooting step?
After importing a floor plan to a predictive design tool, what should be done prior to adding APs, antennas and attenuators (e.g., walls)?
A wireless engineer from your company performed a site survey in an office building where a wireless network extension was needed. He reports
that while performing a Layer 1 sweep near a meeting room full of people, he detected RF activity with a very low duty cycle. He is unsure how to
interpret what he recorded to determine its impact on a future Wi-Fi network.
What is true about this RF environment and its potential impact on the WLAN?
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?
Why should band steering algorithms allow stations to connect to the 2.4 GHz band after some number of ignored Probe Requests?
When deploying long-distance 802.11 bridge links (10 miles / 16 km), what parameter may be critical for improving data flow by reducing retries
caused by the long distances?
What are the best practices for belter location accuracy when deploying Wi-Fi RTLS?
A business traveler from North America is in Europe. The hotel only provides coverage in 2.4 GHz. The traveler connects to the hotel's SSID and
notices an AP in the hotel room. However, the laptop reports a very low RSSI when connected. The traveler does not have the same problem when
connecting in the lobby. What would be the most likely cause of the low RSSI in the hotel room?
What might limit the ability to locate 802.11 clients using a WLAN infrastructure without an 802.11 tag?
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?
Before connecting, mounting and powering 213 total controller-based APs what action should be taken to ensure that they are configured by the controller once powered on and connected lo the network''
An organization is implementing a new WLAN. They are upgrading a very old 802.11g network that only a few devices used Now. they expect more than 250 devices to use the new WLAN that will operate 802.11ax Aps. What wired-side consideration should you address in your design recommendations?
During an RFP analysis, one of the vendors mentioned that you'll need to upgrade your Gigabit Ethernet switches to MultiGig switches to ensure
support for
802.11ac and 802.11ax, which both offer data rates over 1Gbps. Why is this not sound advice?
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.
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When designing a new WLAN infrastructure you also need to be aware of now the network is physically deployed and now the network is logically configured What are two documents that are helpful In this case?
Left to its simplest form, what method does a location algorithm use to determine location within a WLAN coverage area?
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You are using site software design features. You have imported a floor plan, but the simulated RF coverage is nowhere close to the real RF coverage you see with a walkabout.
Given that the simulation is significantly different, when step was likely missed when using the software?
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As you plan a WLAN upgrade, you have assessed the network requirements and data signatures of your applications. One of the popular
applications used on your network requires high bandwidth and low to medium Wi-Fi loss, but can tolerate moderate latency and jitter.
What application matches this description?
What is the most appropriate antenna which will require the least Intentional Radiator power for a point-to-point bridge link spanning 1200 meters?
What is the purpose of Friis transmission equation [ (LdB) = 20 log(d) + 20 log (f) - 27.55 ]?
Install technicians are deploying a multi-floor WLAN that you have designed They have finished the first floor and all APs on that floor are powered on and functioning No APs on any other floors have been deployed at this time You are considering performing a post-deployment site survey of the first floor immediately to validate proper implementation What statement is true about this site survey if you perform it?
What part of the 802.11n preamble is used by the receiver to estimate the spatially multiplexed signal channel? What mode is this used in?
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In the enterprise, when is WPA/WPA2-Personal generally a recommended solution?(Choose all that apply.)
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You are tasked with designing the WLAN to accommodate certain high density areas on your university campus where users frequently come and
go. With a limited DHCP pool size (subnet mask = 255.255.252.0) for this WLAN subnet, you want to ensure that your DHCP addresses are used
efficiently and are not exhausted, which would prevent new client Layer 3 connections. The DHCP server is a Windows Server 2012 R2 machine.
Your design task is to determine the best configuration to allow as many users as possible while avoiding WLAN service interruptions and also to
use the available addresses as efficiently as possible.
What setting would be most effective at achieving this design task?
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?
For what purposes are VPNs typically used in modern WLANs?(Choose all that apply.)
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Using a SCA means that all APs will be using the same channel in a given layer. How is the AP with which the client associates determined?
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What are the deliverables to your customer after successfully implementing a WLAN infrastructure?
Given A project parameter defines a requirement or constraint (or a project that can be defined before any file imports or design actions. What is an example of a project parameter commonly available in WLAN design software?
What kind of antenna results in a nearly circular pattern on the azimuth chart but a very flat donut shape on the elevation chart?
ABC Manufacturing has a heavily-used dual-band (2.4 / 5 GHz) WLAN, but sporadic RF interference across the 2.4 GHz band is causing dropped
VoWiFi calls and leading to data connectivity and throughput problems.
In addition to avoiding 2.4 GHz channels and installing a distributed spectrum analyzer to locate RF interference sources, what should the
implementer do to resolve the problem fully?
What term refers to the security practice of obfuscating actual data from unintended receivers as the data crosses the transmission medium?
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Your customer requires a security solution in which client credentials are used and the authentication server must have a certificate with optional
client certificate use. Which EAP method would be the best fit for their requirement?
What strategy can be used to ensure efficient cell overlap for VoIP site surveys?
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In this question, you will compare the mobility processes of a network that supports WPA2-Personal and WPA2-Enterprise. Assume the use of a
15-character
ASCII passphrase for WPA2-Personal and EAP-TTLS/MSCHAPv2 with WPA2-Enterprise. Also, assume that proprietary roaming protocols are not
supported.
When a device transitions from one BSS to another within the same ESS, what step must be performed in the WPA2-Enterprise transition that are
not performed in the WPA2-Personal transition?
Before performing a pre-deployment passive RF survey of a new deployment using survey mapping software, which of the following must be performed?
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While using a USB adapter attached to a USB hub and your laptop for protocol analysts you notice that the SNR is lower than expected. The USB adapter is an 802 11 ac 3x3 3 adapter and is connected to a USB 3 hub. What is likely causing the SNR variation?
When installing APs on high ceilings, what should be the most common PPE to be used?
Which one of the following might be detected as a source of CCI during a post-validation survey in the 5 GHz band?
What should you do during the design process of a point to point bridge link to minimize CCI and ACl?
Wh.ch one of the following options is a dedicated throughput testing application, usable on both the WLAN and LAN?
Which one of the following options would you consider a well-designed WLAN infrastructure when measuring RSSI Notse floor and SNR in a required area?
Low RSSI, Low Noise Floor Low SNR
High RSSI, Low Noise Floor High SNR
High RSSI, High Noise Floor Low SNR
Low RSSI, High Noise Floor Low SNR
What type of protection should be provided to outdoor antenna installations?
Response:
In a convention center, you have received complaints about the WLAN infrastructure. At this moment, the are only two APs in one auditorium. After
analyzing the situation, you determined that there are more client devices that the infrastructure was designed for. There are only two APs to
support more than 300 devices using the Wi-Fi at the same time. What should you do to make the Wi-Fi work as expected?
TESTED 04 Dec 2024