Designing Cisco Enterprise Wireless Networks

Question 1

An engineer is estimating the loss between two floors of an office building. Using Ekahau, they have measured -45 dBm at the ground level of the floor with the access point and -50 dBm at the ceiling level of the floor below it. Which value is the loss of the floor?

A. -95 dBm

B. 95 dBm

C. -5 dBm

D. 5 dBm

Correct Answer: D

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Question 2

What is the maximum recommended number of SSIDs per WLAN to avoid excessive overhead?

A. 12-15

B. 20+

C. 4-5

D. 8-10

Correct Answer: A

Question 3

Which non-Wi-Fi interferer can be identified by Metageek Chanalyzer?

A. jammers

B. printers

C. PDAs

D. smartphones

Correct Answer: A

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Question 4

Refer to the exhibit. An enterprise is using wireless as the main network connectivity for clients.
To ensure service continuity, a pair of controllers will be installed in a datacenter.
An engineer is designing SSO on the pair of controllers.
What needs to be included m the design to avoid having the secondary controller go into maintenance mode?

A. The Global Configuration of SSO is set to Disabled on the controller.

B. The connection between the redundancy ports is missing.

C. The redundancy port must be the same subnet as the redundancy mgmt.

D. The keep alive timer is too low which causes synchronization problems.

Correct Answer: B

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Question 5

A wireless engineer is designing a wireless network to support real-time applications over wireless.
Which IEEE protocol mus the engineer enable on the WLC so that the number of packets that are exchanged between an access point and client are reduced and fast roaming occurs?

A. 802.11i

B. 802.11k

C. 802.11w

D. 802.11r

Correct Answer: D

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Question 6

An engineer is performing a predictive wireless design for a medical treatment environment, which requires data and voice services. What is the minimum requirement for the design?

A. overlapping -67 dBm coverage from two access points

B. continuous -67 dBm coverage from one access point

C. continuous -72 dBm coverage from one access point

D. overlapping -72 dBm coverage from two access points

Correct Answer: B

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Question 7

A customer has a Cisco wireless network that supports VoWLAN services. The customer wants supported voice clients to receive roaming recommendations and suggestions from APs. This functionality must not impact non-VoWLAN clients. What should be enabled on the VoWLAN SSID?

A. 802.11k neighbor lists

B. 802.11r Fast Transition

C. CCKM with 802.1X

D. 802.11v BSS Transition Management

Correct Answer: A

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Question 8

Refer to the exhibit. Which two statements about Cisco Prime Infrastructure are true? (Choose two.)

A. It presents the recommended number of APs for the selected coverage area based on the selections made.

B. Planning mode requires a special license in Cisco Prime Infrastructure.

C. Controllers must be synchronized with Cisco Prime Infrastructure for planning mode to work.

D. It shows the planning mode feature in Cisco Prime Infrastructure.

E. It shows the map editor feature in Cisco Prime Infrastructure.

Correct Answer: A,D

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Question 9

A university has three campus locations and the main data center. Each campus location has a Cisco Catalyst 9800-40 WLC that manages 600 APs. The data center has a Catalyst 9800-40 WLC, which serves as an N+1 backup for each campus WLC. A consulting engineer must install four additional Catalyst 9800-40 WLCs to serve as the high availability SSO pair for each campus, but only two have been approved due to budget restrictions. The new WLCs must be implemented using these requirements:
- Data center WLC must always be available as N+1 backup to either
campus WLC.
- Campus1 WLC must operate with zero downtime.
- In the event of multiple campus outages, the AP priority order is to
support Campus3, Campus2, and then Campus1.
- No APs on campus can be left stranded without a WLC in the event of
an outage.
What design approach must the consulting engineer take?

A. The Campus1 WLC is the high availability SSO pair. The data center WLC is split into two WLCs, Data Center1 and Data Center2. Campus3 APs have priority 4, Campus2 APs have priority 2, and Campus1 APs have priority 1.

B. The Campus3 WLC is the high availability SSO pair. The data center WLC is split into two WLCs, Data Center1 and Data Center2. Campus3 APs have priority 1, Campus2 APs have priority 2, and Campus1 APs have priority 4.

C. The data center WLC and Campus1 WLC are the high availability SSO pair. Campus3 APs have priority 4, Campus2 APs have priority 2, and Campus1 APs have priority 1.

D. The data center WLC and Campus3 WLC are the high availability SSO pair. Campus1 APs have priority 4, Campus2 APs have priority 2, and Campus3 APs have priority 1.

Correct Answer: C

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Question 10

An engineer is designing a wireless network that will support many different types of wireless clients. When conducting the survey, which client must be used to ensure a consistent experience for all of the wireless clients?

A. the client with the worst RF characteristics

B. the client that is used most by the company

C. the client that is used least by the company

D. the client that has the highest RF properties

Correct Answer: A

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Question 11

A community bank has three campus locations and one HQ with the data center operations. Each campus location has four Cisco Catalyst 9120 APs. The data center has a Catalyst 9800 WLC with eight Catalyst 9120 APs. Poor WAN uplinks cause impacted branch AP and wireless client connectivity back to HQ, and each campus location is now planned to have its own EWC controller based on C9120 AP to keep traffic local. This new design must accommodate these requirements:
- Guest WLAN will be routed locally.
- Employee WLAN must be authenticated 802.1x PEAP via HQ data center
ISE but can pass traffic locally once authenticated.
- HQ WLC will be the primary backup WLC for each WLC.
Which design approach should the consulting engineer take?

A. One C9120 AP in each campus must be converted to EWC mode, and the preferred controller is set to that AP with HQ WLC set as N+1 backup. The campus guest WLAN will use local web auth on guest VLAN, and employee WLAN will need the HQ AAA server to be added to EWC.

B. Two C9120 campus APs must be converted to EWC mode, one for the active controller and the other for standby with HQ WLC set as N+1 backup. The campus guest WLAN will use the guest anchor to HQ WLC for guest VLAN access, and employee WLAN will need the HQ AAA server to be added to EWC and then use that to perform the 802.1x authentication.

C. Two C9120 campus APs must be converted to EWC mode, one for the active controller and the other for standby set as N+1 backup. The campus guest WLAN will use local web auth on guest VLAN, and employee WLAN will need the HQ AAA server added to EW

D. One C9120 campus AP must be converted to EWC mode, and the preferred controller is set to that AP with HQ WLC should be paired as mobility peer and configured as N+1 backup. The campus guest WLAN will use local web auth on guest VLAN. The campus employee WLAN will need the guest anchor back to the HQ employee WLAN.

Correct Answer: A

Cisco Designing Cisco Enterprise Wireless Networks - 300-425 Exam Practice Test

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