Designing Cisco Enterprise Wireless Networks (300-425 ENWLSD) v1.0
Question 1
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. aesthetics
- B. transmit power considerations
- C. antenna gain
- D. power supply considerations
Answer : B
Question 2
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. in the aisle
- B. under the seat
- C. above the stage
- D. under the stage
Answer : B
Question 3
A company wants to replace its existing PBX system with a new VoIP System that will include wireless IP phones. The CIO has concerns about whether the company's existing wireless network can support the new system. Which tool in Cisco Prime can help ensure that the current network will support the new phone system?
- A. Location Readiness
- B. Site Calibration
- C. Map Editor
- D. Voice Readiness
Answer : D
Question 4
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. 4
- B. 5
- C. 6
- D. 7
Answer : A
Question 5
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. Band Select
- B. RRM
- C. Cisco Centralized Key Management
- D. load balancing
Answer : A
Question 6
A wireless network consultant must assess an existing wireless LAN controller. Which section must the consultant check before replacing the old APs with APs that are IEEE 802.11ac-capable?
- A. number of AP licenses
- B. controller PSU
- C. throughput capacity
- D. software version
Answer : A
Question 7
Clustering Cisco WLCs into a single RF group enables the RRM algorithms to scale beyond the capabilities of a single Cisco WLC. How many WLCs and APs in an RF group can the controller software scale up to in WLC release 8.9 depending on the platform?
- A. up to 20 WLCs and 1000 APs
- B. up to 20 WLCs and 3000 APs
- C. up to 20 WLCs and 4000 APs
- D. up to 20 WLCs and 6000 APs
Answer : D
Question 8
An engineer must speed up the reauthentication delays that are being experienced on the wireless infrastructure by deploying a key-caching mechanism. Which mechanism must be configured?
- A. PEAP
- B. FT
- C. PMF
- D. GTK-randomization
Answer : B
Question 9
A wireless engineer is designing a wireless network for a warehouse using access points with internal antennas. Which two elements have a negative effect on the wireless users? (Choose two.)
- A. wireless channels
- B. access point height
- C. client authentication
- D. client authorization
- E. absorption
Answer : BE
Question 10
A technician connects a Cisco Aironet 3700 Series AP to a switch and realizes that the AP is coming up with 3x3 MIMO. What explains this behavior?
- A. A redundant power supply is unavailable on the switch.
- B. The switch is 802.3af capable.
- C. The AP is getting power from a power injector.
- D. The switch is PoE+ capable.
Answer : D
Question 11
A network engineer is working on a design for a wireless network that must support data, voice, and location services. To support these services, which access point placement must the engineer use?
- A. corner only
- B. perimeter and corner
- C. perimeter only
- D. indoor and outdoor
Answer : C
Question 12
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 co-channel interference has not exceeded גˆ’85 dBm.
- C. Ensure that the UNII-2 extended channels are enabled on the 802.11a radios.
- D. Ensure that the client is receiving RSSI above the minimum band select RSSI threshold.
- E. Ensure that the client is dual-band capable.
- F. Ensure that the WLAN has 802.11a enabled.
Answer : CDE
Question 13
An engineer is reducing the subnet size of the corporate WLAN by segmenting the VLAN into smaller subnets. Clients will be assigned a subnet by location.
Which type of groups should the engineer use to map the smaller subnets to the corporate WLAN?
- A. WLC port groups
- B. RF groups
- C. AP groups
- D. interface groups
Answer : D
Question 14
A customer has determined that aesthetics is a primary concern for their upcoming guest deployment. Which design consideration can be leveraged to address this concern?
- A. Paint the access point to cover the LED from being noticeable.
- B. Use enclosures to hide the wireless infrastructure in the surrounding environment.
- C. Use AIR-AP-BRACKET-1 to allow for greater mounting locations
- D. Deploy environmentally friendly cabling components to blend into the environment.
Answer : D
Question 15
An engineer has deployed a group of APs in an auditorium and notices that the APs are showing high co-channel interference. Which profile is used to adjust the parameters for these high-density APs?
- A. QoS profile
- B. AVC profile
- C. RF profile
- D. ISE profile
Answer : A