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300-425 Dumps

300-425 Real Exam Dumps Questions and answers 21-30

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Question No.21

What causes the most signal attenuation, based on the wireless design tools?

  1. cinder block wall

  2. metal door

  3. glass wall

  4. office window

Correct Answer: B

Question No.22

During a client roaming event, which device is responsible for communicating the new Layer 2 EID mapping of a wireless supplicant to the fabric domain?

  1. WLC

  2. BN

  3. CP2

  4. CP1

Correct Answer: A

Question No.23

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.)

  1. Ensure that channel bonding is enabled on the WLAN.

  2. Ensure that the co-channel interference has not exceeded -85 dBm.

  3. Ensure tha the UNII-2 extended channels are enabled on the 802.11a radios.

  4. Ensure that the client is receiving RSSI above the minimum band select RSSI threshold.

  5. Ensure that the client is dual-band capable.

  6. Ensure that the WLAN has 802.11a enabled.

Correct Answer: CDE

Question No.24

A customer asks an engineer to explain the concept of mobility domains and mobility groups. Which statement does the engineer respond with?

  1. A mobility group does not constrain the distribution of security context of a client and also does not constrain AP fail-over between controllers when the WLC are in the same mobility domain.

  2. If WLCs are in the same mobility domain, they communicate with each other but, if an anchor WLC is present it must be in the same mobility domain for communication to be possible.

  3. If WLCs are in the same mobility domain, they communicate with each other. Mobility groups constrain the distribution of security context of a client and also constrain AP fail-over between controllers.

  4. WLCs do not need to be in the same mobility domain to communicate with each other. Mobility groups constrain the distribution of security context of a client and also constrain AP fail-over between controllers.

Correct Answer: C

Question No.25

Which two considerations must a network engineer have when planning for voice over wireless roaming? (Choose two.)

  1. Full reauthentication introduces gaps in a voice conversation.

  2. Roaming time increases when using 802.1x Cisco Centralized Key Manegement.

  3. Roaming occurs when the phone has seen at least four APs.

  4. Roaming occurs when the phone has reached -80 dBs or below.

  5. Roaming with only 802.1x authentication requires full reauthentication.

    Correct Answer: AE

    Question No.26

    A network engineer is preparing for an office site survey with a height of 2.5 meters. Which three components are recommended to complete the survey? (Choose three.)

    1. Use a battery pack to power APs

    2. Use a drawing of the office space to draw AP and client placements.

    3. Use DoS attack on APs while measuring the throughput.

    4. Use APs with directional antennas.

    5. Use APs with external antennas.

    6. Use APs with built-in antennas.

Correct Answer: ABF

Question No.27

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?

  1. overlapping -72 dBm coverage from two access points

  2. continuous -67 dBm coverage from one access point

  3. continuous -72 dBm coverage from one access point

  4. overlapping -67 dBm coverage from two access points

Correct Answer: B

Question No.28

A network engineer is configuring high availability on an access point. What is the maximum number of controllers that can be configured?

A.

1

B.

2

C.

3

D.

4

Correct Answer: B

Question No.29

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?

  1. in the aisle

  2. under the seat

  3. above the stage

  4. under the stage

Correct Answer: B

Question No.30

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?

  1. SKC

  2. OKC C. 802.11r

D. CCKM

Correct Answer: D

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300-425 Dumps

300-425 Real Exam Dumps Questions and answers 31-40

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Question No.31

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?

  1. Paint the access point to cover the LED from being noticeable.

  2. Use enclosures to hide the wireless infrastructure in the surrounding environment.

  3. Use AIR-AP-BRACKET-1 to allow for greater mounting locations

  4. Deploy environmentally friendly cabling components to blend into the environment.

Correct Answer: D

Question No.32

Which two criteria must be considered when conducting an outdoor bridge site survey? (Choose two.)

  1. near-far effect

  2. weather

  3. traffic lights

  4. power lines

  5. Fresnel zone

Correct Answer: AD

Question No.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?

image

  1. Controllers exchange mobility control messages (over UDP port 16666) and the client database entry is moved from the original controller to the new controller.

  2. 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.

  3. Controllers exchange mobility control messages (over UDP port 16666) and a new client session is started with the new controller.

  4. Controllers exchange mobility control messages (over UDP port 16666) and the client database entry is tunneled from the original controller to the new controller.

Correct Answer: A

Question No.34

When conducting a site survey for real-time traffic over wireless, which two design capabilities of smartphones and tablets must be considered? (Choose two.)

  1. no support for 802.11ac

  2. higher data rates than laptops

  3. fewer antennas than laptops

  4. no support for 802.11r

  5. lower data rates than laptops

Correct Answer: BC

Question No.35

Which three pieces of equipment are needed to conduct a fully measured wireless survey? (Choose three.)

  1. PoE battery

  2. spirit level

  3. access point

  4. tall tripod

  5. goggles

  6. ladder

Correct Answer: ACD

Question No.36

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?

  1. unified deployment

  2. autonomous deployment

  3. centralized deployment

  4. distributed deployment

Correct Answer: C

Question No.37

An engineer has performed a predictive site survey for high-speed data and voice in an indoor office. What is the recommended data rate with -67 dBm signal level for optimal VoWLAN design?

  1. 6 Mbps on 802.11 bgn

  2. 24 Mbps on 802.11 bgn

  3. 12 Mbps on 802.11 an

  4. 24 Mbps on 802.11 an

Correct Answer: B

Question No.38

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. 802.11w B. 802.11r C. 802.11i D. 802.11k

Correct Answer: D

Question No.39

A wireless engineer must optimize RF performance for multiple buildings with multiple types of construction and user density. Which two actions must be taken? (Choose two.)

  1. Configure FlexConnect groups for each building.

  2. Configure WMM profiles for each building.

  3. Configure AP groups for each area type.

  4. Configure RF profiles for each area type.

  5. Enable DTPC on the network.

Correct Answer: CD

Question No.40

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 select?

A. 802.11i B. 802.11ac C. 802.11r D. 802.11e

Correct Answer: C

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300-425 Dumps

300-425 Real Exam Dumps Questions and answers 1-10

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Question No.1

What is the recommended cell overlap when designing a wireless network for Cisco Hyperlocation?

A.

20%

B.

30%

C.

40%

D.

50%

Correct Answer: A

Question No.2

Which CLI command does an engineer use to validate that the redundancy peer of a Stateful Switchover pair of controllers is up and connected?

  1. rping

  2. ping

  3. eping

  4. mping

Correct Answer: B

Question No.3

An engineer must decide the cell overlap for a wireless voice deployment. Which Cisco measurement recommendation should be considered?

  1. The edge of the cell should be -67 dBm.

  2. The edge of the cell should be below 35 RSSI.

  3. The measurement should be done on the 2.4-GHz band.

  4. One AP should be deployed per 3000 square feet.

Correct Answer: A

Question No.4

Which UDP port numbers are used for exchange mobility packets in an AireOS wireless deployment?

  1. UDP 16666 for control plane, EoIP (IP protocol 97) for data plane

  2. UDP 16668 for control plane, UDP 16667 for data plane

  3. UDP 16667 for control plane, UDP 16666 for data plane

  4. UDP 16666 for control plane, UDP 16667 for data plane

Correct Answer: D

Question No.5

Which statement about AP failover priority for access points when configured with priority 1 or 4 is true?

  1. When configured with priority 1, the access point is assigned with the highest priority level and it is marked as critical. This access point fails over before other access points with the lower priority when there is primary controller failure.

  2. When configured with priority 4, the access point is assigned with the highest priority level and it is

    marked as critical. This access point fails over before other access points with the lower priority when there is primary controller failure.

  3. When configured with priority 4, the access point is assigned with the lowest priority level and it is marked as low. This access point fails over after other access points with the higher priority when there is primary controller failure.

  4. When configured with priority 1, the access point is assigned with the medium priority level and it is marked as medium. This access point fails over after other access points with the higher priority when there is primary controller failure.

Correct Answer: B

Question No.6

As part of a wireless site survey in a hospital, an engineer needs to identify potential Layer 1 interferers. In which two areas is the engineer most likely to find sources of 2.4 GHz and 5 GHz RF noise? (Choose two.)

  1. magnetic resonance imaging

  2. kitchen

  3. Gamma Knife radiation treatment

  4. X-ray radiography

  5. patient room

Correct Answer: BE

Question No.7

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?

  1. number of AP licenses

  2. controller PSU

  3. throughput capacity

  4. software version

Correct Answer: A

Question No.8

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

Correct Answer: A

Question No.9

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?

  1. corner only

  2. perimeter and corner

  3. perimeter only

  4. indoor and outdoor

Correct Answer: C

Question No.10

An engineer has successfully configured high availability and SSO using two Cisco 5508 Wireless LAN Controllers. The engineer can access the Active Primary WLC, but the Secondary Standby WLC is not accessible. Which two methods allow access to the standby unit? (Choose two.)

  1. via the console connection

  2. SSH to the redundancy management interface of the primary WLC

  3. SSH to the service port interface

  4. SSH to the virtual interface of the secondary WLC

  5. SSH to the management interface of the primary WLC

Correct Answer: AC

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300-425 Real Exam Dumps Questions and answers 11-20

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Question No.11

An engineer must create data-link redundancy for the company#39;s Cisco Wireless LAN Controller. The engineer has decided to configure LAG-based redundancy instead of port-based redundancy. Which three features of LAG-based redundancy influenced this decision? (Choose three.)

  1. Packets are always sent out on the same port they are received on.

  2. All interface traffic passes as long as one port is up.

  3. The same port has multiple untagged dynamics interfaces.

  4. Interface connection to two separate nonstacked switches is available.

  5. Full bandwidth of all links is available.

  6. Ports are grouped into multiple LAGs.

Correct Answer: ABF

Question No.12

Clustering Cisco WLCs into a single RF group enables the RRM algorithms to scale beyond the capabilities of a single Cisco WLC. How many WLC and APs in an RF group can the controller software scale up to in WLC release 8.9 depending on the platform?

  1. up to 20 WLCs and 1000 APs

  2. up to 20 WLCs and 3000 APs

  3. up to 20 WLCs and 4000 APs

  4. up to 20 WLCs and 6000 APs

Correct Answer: D

Question No.13

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#39;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?

  1. Location Readiness

  2. Site Calibration

  3. Map Editor

  4. Voice Readiness

Correct Answer: D

Question No.14

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?

  1. PEAP

  2. FT

  3. PMF

  4. GTK-randomization

Correct Answer: B

Question No.15

A wireless engineer is utilizing the voice readiness tool in Cisco Prime for a customer that wants to deploy Cisco IP phones. Which dBm range is the network inspected against?

  1. -78 to -65 dBm

  2. -72 to -67 dBm

  3. -85 to -65 dBm

  4. -85 to -67 dBm

Correct Answer: D

Question No.16

An engineer is designing a wireless deployment for a university auditorium. Which two features can be used to help deal with the issues introduced by high AP count? (Choose two.)

  1. TSPEC

  2. RXSOP

  3. TPC

  4. LSS

  5. DFS

Correct Answer: CE

Question No.17

A company has 10 access point licenses available on their backup Cisco WLC and their primary Cisco WLC is at full capacity, 5 access points are set to high failover priority and 7 access points are set to critical failover priority. During a failure, not all critical access points failed over to the backup Cisco WLC. Which configuration is the cause of this issue?

  1. The high priority access point is oversubscribed.

  2. network ap-priority is set to enable.

  3. The critical priority access point count is oversubscribed.

  4. network ap-priority is set to disable.

Correct Answer: A

Question No.18

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?

  1. Ensure that the DNS entry is tied to the virtual IP address of the WLC.

  2. Use a unique IP address for each WLC.

  3. Ensure that the DNS Host Name field is defined.

  4. Use the same IP address for each WLC.

Correct Answer: A

Question No.19

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 can the engineer use to map the smaller subnets to the corporate WLAN?

  1. WLC port groups

  2. RF groups

  3. AP groups

  4. interface groups

Correct Answer: D

Question No.20

A network administrator of a global organization is collapsing all controllers to a single cluster located in central Europe. Which concern must addressed?

  1. Some channels may not be available consistently across the organization.

  2. Different RF policies per office are not available in this configuration.

  3. Syslog must be configured to the time-zone of the NMS platform.

  4. Centralized controllers cannot uniformly authenticate global users.

Correct Answer: C

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