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NEW QUESTION 11
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?
- A. Perform an AP-on-a-Stick survey using AP locations based upon the predictive design to confirm each AP's placement.
- B. Use a client device positioned where the APs will be installed and measure the signal from the client device.
- C. Deploy all of the APs as they're shown in the predictive design and perform a passive site survey.
- D. Deploy all of the APs as they're shown in the predictive design and perform an active site survey.
Answer: A
NEW QUESTION 12
When performing an active site survey in an existing WLAN infrastructure, in addition to gathering throughput data, what other important function will you typically be testing at the same time?
- A. ACL configuration
- B. Internet bandwidth
- C. Roaming
- D. Application filtering
Answer: C
NEW QUESTION 13
In high-density environments, such as stadiums and convention centers, what extra factor has to be taken into account that can attenuate Wi-Fi signals when these environments are having an event?
- A. I-Beams
- B. People
- C. Thick walls
- D. Fire doors
Answer: B
NEW QUESTION 14
What is the most cost-effective way to accurately measure the height of a ceiling when ladder use is not allowed?
- A. Gather measurements from other objects and do the math
- B. Estimate the height based on known object sizes
- C. Rent a lift-cart to lift you up to the ceiling
- D. Use a laser measure to measure the distance from the floor to the ceiling
Answer: D
NEW QUESTION 15
When deploying a new WLAN infrastructure using PoE to power the APs, you realize that a known good AP is not powering up. You use the same cable to connect your laptop and connect without any trouble.
What is the most likely reason the AP did not power up?
- A. Missing AP licenses in the controller
- B. Lack of PoE budget on the switch
- C. Layer 3 routing
- D. Spanning-tree convergence
Answer: B
NEW QUESTION 16
When designing a WLAN to support voice in a large office, which design element is of the highest concern for performance?
- A. Roaming
- B. AP vendor
- C. Band steering
- D. Frequency Selection
Answer: D
NEW QUESTION 17
Your new customer is concerned about maintaining privacy for their proprietary information when you conduct information gathering for their WLAN design. Which document can you use to directly address their concern?
- A. NDA
- B. SoW
- C. BoM
- D. Hold Harmless
Answer: A
NEW QUESTION 18
When deploying APs outdoors, what additional component needs to be used that is not needed indoors?
- A. PoE
- B. Antennas
- C. NEMA enclosures
- D. Ethernet cables
Answer: C
NEW QUESTION 19
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?
- A. Reboot the clients
- B. Verify that the shared secret between the authenticator and the RADIUS server is correct
- C. Restart the RADIUS service
- D. Reboot the server
Answer: B
NEW QUESTION 20
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?
- A. 36-40
- B. 116-124
- C. 44-48
- D. 1-11
Answer: B
NEW QUESTION 21
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?
- A. The AP in the room is using ZigBee instead of Wi-Fi.
- B. The AP in the room is using Bluetooth instead of Wi-Fi.
- C. The switchport that the AP is connected to is only capable of transmitting at 10 Mbps.
- D. The AP in the room is transmitting on channel 13 and the traveler associated to a non-channel 13 AP located elsewhere.
Answer: D
NEW QUESTION 22
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?
- A. Perform an AP-on-a-Stick survey using AP locations based upon the predictive design to confirm each AP's placement.
- B. Use a client device positioned where the APs will be installed and measure the signal from the client device.
- C. Deploy all of the APs as they're shown in the predictive design and perform a passive site survey.
- D. Deploy all of the APs as they're shown in the predictive design and perform an active site survey.
Answer: A
Explanation:
Explanation/Reference: https://vectorusa.com/steps-to-designing-and-deploying-wireless-lan/
NEW QUESTION 23
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?
- A. The switchport that the AP is connected to is only capable of transmitting at 10 Mbps.
- B. The AP in the room is using ZigBee instead of Wi-Fi.
- C. The AP in the room is using Bluetooth instead of Wi-Fi.
- D. The AP in the room is transmitting on channel 13 and the traveler associated to a non-channel 13 AP located elsewhere.
Answer: A
NEW QUESTION 24
Which DHCP option, when required, should be configured and enabled to help APs locate their wireless LAN controller?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
Explanation:
Explanation/Reference:
Reference: https://www.cisco.com/c/en/us/td/docs/wireless/controller/7-0/configuration/guide/c70/ c70wlan.html
NEW QUESTION 25
When designing a WLAN to support voice in a large office, which design element is of the highest concern for performance?
- A. AP vendor
- B. Frequency Selection
- C. Band steering
- D. Roaming
Answer: D
NEW QUESTION 26
Which DHCP option, when required, should be configured and enabled to help APs locate their wireless LAN controller?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 27
A company wants to connect its headquarters to its remote office that is 13 kilometers away using a wireless bridge. What requirement must not be forgotten by their Wireless Engineer when considering the Fresnel Zone?
- A. Receive sensitivity
- B. FSPL
- C. Earth bulge
- D. Antenna gain
Answer: C
Explanation:
Explanation/Reference:
Reference: http://www.zytrax.com/tech/wireless/fresnel.htm
NEW QUESTION 28
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?
- A. Turn up the output power on the APs so that they can handle more clients
- B. Quickly add more APs
- C. Upgrade the Ethernet connections to MultiGig
- D. Redesign the entire WLAN
Answer: D
Explanation:
Explanation/Reference:
NEW QUESTION 29
After designing and deploying a WLAN infrastructure, you realized the CCI is causing poor performance in the 2.4 GHz band. Primarily, you've designed the WLAN for 5 GHz and 2.4 GHz as a best effort. You found out that the implementers didn't follow your guidelines when configuring the WLAN infrastructure. What can you do to minimize as much as possible the CCI impact in the 2.4 GHz band?
- A. Use all channels available in the 2.4 GHz band
- B. Add more APs to the infrastructure
- C. Increase the transmit power on all APs
- D. Turn-off 2.4 GHz radios on some APs
Answer: D
NEW QUESTION 30
When using a predictive design tool, you have selected APs with an antenna gain 3 dBi and set the transmit power of the predicted APs to 25 mW. What should be EIRP of the APs in the design?
- A. 11 dBm
- B. 17 dBm
- C. 125 mW
- D. 6.25 mW
Answer: B
NEW QUESTION 31
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?
- A. Use a plastic cover that could blend in with the environment
- B. Place the APs in between walls and I-beams
- C. Use an 802.11b AP, so it looks old enough to be in a museum
- D. Lock the AP inside of a metal box
Answer: A
NEW QUESTION 32
Your customer is using PSK as their only authentication. They have an industry requirement to move to a stronger solution. Your recommendation is to move to a certificate-based type of authentication where both the client and server require certificates. Which EAP type would be the best fit?
- A. EAP-TTLS
- B. EAP-TLS
- C. EAP-FAST
- D. PEAP
Answer: B
Explanation:
Explanation/Reference: https://www.intel.com/content/www/us/en/support/articles/000006999/network-and-i-o/wireless- networking.html
NEW QUESTION 33
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?
- A. Dish
- B. Grid
- C. Patch
- D. Low-gain dipole
Answer: B
NEW QUESTION 34
What kind of site survey helps you identify if roaming is working as designed?
- A. Active
- B. Predictive
- C. Spectrum analysis walkthrough
- D. Passive
Answer: D
NEW QUESTION 35
You are conducting a physical site survey where heavy machinery is repaired. What is a common item required specifically for this type of survey?
- A. Indoor APs
- B. Low gain antennas
- C. Low power APs
- D. Personal Protective Equipment (PPE)
Answer: D
NEW QUESTION 36
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