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NEW QUESTION 21
Campus users report a poor wireless experience An engineer investigating the issue notices that in high-density areas the wireless clients fail to switch the AP to which are automatically connected This sticky client behavior is causing roaming issues Which feature must the engineer configure?
- A. optimized roaming
- B. Layer 2 roaming
- C. load balancing and band select
- D. Layer 3 roaming
Answer: A
NEW QUESTION 22
Refer to the exhibit.
What is the main reason why the Wi-Fi design engineer took a different approach than installing the APs in the offices, even though that installation provides better coverage?
- A. antenna gain
- B. transmit power considerations
- C. aesthetics
- D. power supply considerations
Answer: B
Explanation:
Explanation
https://www.cisco.com/en/US/docs/solutions/Enterprise/Mobility/emob30dg/RFDesign.html#wp1000551
NEW QUESTION 23
An engineer is using a Cisco AIR-2702i AP to conduct a Layer 1 site Survey, which mode is selected for the AP to discover non-Wi-Fi interference with metageek chanalyzer?
- A. Monitor
- B. FlexConnect
- C. Sniffer
- D. SE-connect
Answer: D
NEW QUESTION 24
When conducting a site survey for real-time traffic over wireless, which two design capabilities of smartphones and tablets must be considered? (Choose two.)
- A. no support for 802.11r
- B. no support for 802.11ac
- C. fewer antennas than laptops
- D. lower data rates than laptops
- E. higher data rates than laptops
Answer: C,D
Explanation:
NEW QUESTION 25
A high-density wireless network is designed. Which Cisco WLC configuration setting must be incorporated in the design to encourage clients to use the 5 GHz spectrum?
- A. RRM
- B. Cisco Centralized Key Management
- C. load balancing
- D. Band Select
Answer: D
Explanation:
NEW QUESTION 26
A customer has noticed that Client Band Select is enabled and no clients are utilizing the 5 GHz band. Which three parameters must be met to ensure that wireless clients use the 5 GHz band? (Choose three.)
- A. Ensure that channel bonding is enabled on the WLAN.
- B. Ensure that the client is dual-band capable.
- C. Ensure that the UNII-2 extended channels are enabled on the 802.11a radios.
- D. Ensure that the WLAN has 802.11a enabled.
- E. Ensure that the co-channel interference has not exceeded -85 dBm.
- F. Ensure that the client is receiving RSSI above the minimum band select RSSI threshold.
Answer: B,C,F
Explanation:
Explanation
https://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Mobility/emob41dg/emob41dg-wrapper/ch3_WLAN
NEW QUESTION 27
Where must the APs be mounted when used in a high-density wireless network to provide 6 dB to 20 dB of attenuation to a cell?
- A. above the stage
- B. in the aisle
- C. under the stage
- D. under the seat
Answer: D
Explanation:
NEW QUESTION 28
During a wireless network design, a customer requires wireless coverage on the perimeter of a building but also wants to minimize signal leakage from the wireless network. Which antenna should be used to accomplish this design?
- A. Patch
- B. Dipole
- C. Monopole
- D. Omnidirectional
Answer: B
Explanation:
Explanation
https://www.cisco.com/c/en/us/td/docs/routers/connectedgrid/antennas/installing-combined/industrial-routers-and
NEW QUESTION 29
An engineer must ensure that the new wireless LAN deployment can support seamless roaming between access points using a standard based on an amendment to the 802.11 protocol. Which protocol must the engineer selects?
- A. 802.11i
- B. 802.11e
- C. 802.11r
- D. 802.11ac
Answer: C
Explanation:
NEW QUESTION 30
An enterprise is using two wireless controllers to support the wireless network. The data centre is located in the head office Each controller has a corporate WLAN configured with the nameCopr-NET390595865WLC-1 and Copr-NET6837l638WLC-2. The APs are installed using a round-robin approach to load balance the traffic. What should be changed on the configuration to optimize roaming?
- A. Use the same WLAN name for the corporate network on both controllers.
- B. Move all access points to one controller and use the other as N+1 HA.
- C. Use the same WLAN name for the corporate network on both controllers.
- D. Place the access points per floor on the same controller.
Answer: B
NEW QUESTION 31
An engineer must configure the virtual IP address on multiple controllers in a mobility group. Which rule must the engineer follow to ensure proper roaming?
- A. Ensure that the DNS Host Name field is defined.
- B. Use a unique IP address for each WLC.
- C. Use the same IP address for each WLC.
- D. Ensure that the DNS entry is tied to the virtual IP address of the WLC.
Answer: D
NEW QUESTION 32
A wireless engineer is using Ekahau Site Survey lo validate (hat an existing wireless network is operating as expected. Which type of survey should be used to identify the end-to-end network performance?
- A. passive
- B. spectrum analysis
- C. GPS assisted
- D. active ping
Answer: B
NEW QUESTION 33
Refer to the exhibit.
A client roams between two APs that are registered to two different controllers, where each controller has an interface in the client subnet. Both controllers are running AireOS. Which scenario explains the client roaming behavior?
- A. Controllers exchange mobility control messages (over UDP port 16666) and a new client session is started with the new controller.
- B. Controllers exchange mobility control messages (over UDP port 16666) and the client database entry is moved from the original controller to the new controller.
- C. Controllers exchange mobility control messages (over UDP port 16666) and the client database entry is tunneled from the original controller to the new controller.
- D. Controllers do not exchange mobility control messages (over UDP port 16666) and the client database, entry is not moved from the original controller to the new conrtoller.
Answer: B
NEW QUESTION 34
What is the recommended cell overlap when designing a wireless network for Cisco Hyperlocation?
- A. 20%
- B. 30%
- C. 40%
- D. 50%
Answer: A
Explanation:
NEW QUESTION 35
A rapidly expanding company has tasked their network engineer with wirelessly connecting a new cubicle area with Cisco workgroup bridges until the wired network is complete. Each of 42 new users has a computer and VoIP phone. How many APs for workgroup bridging must be ordered to keep cost at a minimum while connecting all devices?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
Explanation:
So, each AP will have 25 clients. Minimum 4 APs are sufficient.
NEW QUESTION 36
A wireless deployment in a high-density environment is being used by vendors to process credit card payment transactions via handheld mobile scanners. The scanners are having problems roaming between access points in the environment. Which feature on the wireless controller should have been incorporated in the design?
- A. 802.11w
- B. RX SOP
- C. Application Visibility Control
- D. AP Heartbeat Timeout
Answer: B
Explanation:
https://www.cisco.com/c/en/us/td/docs/wireless/controller/8-5/configguide/b_cg85/advanced_wireless_tuning.html
NEW QUESTION 37
An engineer must ensure that the wireless network can accomplish fast secure roaming by way of caching keys on the access points. Which key caching mechanism is enabled by default on a Cisco AireOS WLC?
- A. OKC
- B. CCKM
- C. SKC
- D. 802.11r
Answer: A
Explanation:
NEW QUESTION 38
A wireless engineer is hired to design a network for a technology company. The company campus has four buildings and a warehouse with access points that provide full wireless coverage as well as a pair of WLCs located in the core of the network. Which type of wireless architecture is being used?
- A. autonomous deployment
- B. unified deployment
- C. distributed deployment
- D. centralized deployment
Answer: D
Explanation:
NEW QUESTION 39
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What Are the Topics Tested in Cisco ENWLSD 300-425?
If you want to get the Enterprise Wireless Design certification or CCNP Enterprise by passing the ENWLSD 300-425 exam, you should prepare to demonstrate your skills and knowledge related to the following four major topics:
- Wireless and Wired Infrastructure
- Mobility
- Wireless Site Survey
- WLAN High Availability
The first topic covers approximately 25% of the exam's questions. When studying for it, candidates will learn about how to collect design requirements and how to evaluate different constraints. They will develop advanced skills on how to manage client density, AP type, real-time apps, deployment type, and security. Also, this domain covers information on how to describe material attenuation and how to weigh its effects on their wireless designed network. Besides, applicants should be proficient in performing and analyzing Layer 1, pre-deployment, post-deployment, and predictive site survey. Last but not least, another subtopic included in this section handles the proper utilization of the planning and evaluation tools for the most important network metrics. Candidates will discover how to use Spectrum Analyzer, Ekahau, AirMagnet, and Chanalyzer tools.
The second domain has 25% of the syllabus and focuses on mobility concepts. To manage related questions in the test, candidates need to understand how to design a mobility group following the requirements imposed by different mobility roles. Also, this topic takes examinees through various concepts that will allow them to properly optimize client roaming. Another important element included here is mobility tunneling validation for the data and control path.
The third section emphasizes wired and wireless infrastructure. Its total weight in the exam's content is around 30%. It is the most important topic since knowledge in this sphere helps individuals determine which are the most important physical infrastructure requirements for their business environment, handle AP power, cabling, mounting, grounding, and switch port capacity. They will also know more about determining logical infrastructure conditions. During preparation, candidates will discover how to identify the proper WLC/AP licensing requirements based on the current wireless architecture. If you want to get the passing score from the first attempt, you should also get familiar with radio management design and applying proper design management tools for different types of wireless networks. Another sub-topic included here handles wireless bridging and high-density wireless network design.
The final topic makes one proficient in WLAN high availability. They will learn about high availability design for controllers, Stateful Switchover, Network Availability through LAG, as well as priority and redundancy anchor controller. Besides, the candidates will know how to design high availability networks suitable for APS. In this sub-topic, they will handle AP prioritization and fallback concepts.
Wireless Site Survey
The first part consists of 25% of the exam questions and the test takers have to demonstrate the following tasks:
- Performing post-deployment, pre-deployment, and predictive site survey;
- Analyzing the key network metrics, including Spectrum Analyzer, AirMagnet, Ekahau, Chanalyzer & PI, as well as utilizing the planning tools.
- Collecting the design requirements and evaluating restraints, including client density, AP type, real-time applications, and security, as well as deployment types, such as voice, video, location & data;
- Explaining material attenuation and its influence on wireless design;
- Performing and analyzing Layer 1 site survey;
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