300-425 Dumps with Free 365 Days Update Fast Exam Updates [Q14-Q36]

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NO.14 Which statement about creating a mobility group is true, excluding mobility anchors?

Each WLC must use the same mobility name and be defined as a peer in each other’s static mobility members list.

If WLCs with HA SSO are deployed, each WLC in the WLC HA pair considered separately as a mobility peer.

The WLCs do not have to be of the same model or type to be a member of a mobility group, however each member should be running different software versions.

A mobility groups does not require all WLCs in the group to use the same virtual IP address.

NO.15 A network engineer is configuring high availability on an access point. What is the maximum number of controllers that can be configured?

NO.16 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.)

Configure FlexConnect groups for each building.

Configure WMM profiles for each building.

Configure AP groups for each area type.

Configure RF profiles for each area type.

Enable DTPC on the network.

NO.17 A customer is concerned about mesh backhaul link security. Which level of encryption does the backhaul link use?

hash

AES

WEP

3DES

NO.18 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?

802.11i

802.11ac

802.11r

802.11e

NO.19 Which statement about AP failover priority for access points when configured with priority 1 or 4 is true?

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.

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.

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.

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.

NO.20 Refer to the exhibit.

An enterprise has offices spread around the globe. The APs are connected to different controllers installed in separate datacenters. The IT team wants to allow clients to roam from controllers in group ABC to controllers in group XYZ. Which feature must be incorporated in the design to accomplish this task?

switch peer group

workgroup bridge

mDNS gateway

mobility lists

NO.21 Which common issue causes intermittent DMVPN tunnel flaps?

a routing neighbor reachability issue

a suboptimal routing table

interface bandwidth congestion

that the GRE tunnel to hub router is not encrypted

DMVPN Tunnel Flaps Intermittently
Problem
DMVPN tunnel flaps intermittently.
Solution
When DMVPN tunnels flap, check the neighborship between the routers as issues with neighborship formation between routers may cause the DMVPN tunnel to flap. In order to resolve this problem, make sure the neighborship between the routers is always up.
Reference: http://www.cisco.com/c/en/us/support/docs/security-vpn/ipsec-negotiation-ike-protocols/29240- dcmvpn.html#Prblm1

NO.22 What causes the most signal attenuation, based on the wireless design tools?

cinder block wall

metal door

glass wall

office window

NO.23 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?

802.11i

802.11ac

802.11r

802.11e

NO.24 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?

802.11i

802.11ac

802.11r

802.11e

NO.25 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.)

Use a battery pack to power APs

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

Use DoS attack on APs while measuring the throughput.

Use APs with directional antennas.

Use APs with external antennas.

Use APs with built-in antennas.

NO.26 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?

6 Mbps on 802.11 bgn

24 Mbps on 802.11 bgn

12 Mbps on 802.11 an

24 Mbps on 802.11 an

Section: Wireless Site Survey

NO.27 An engineer has deployed a group of APs in an auditorium and notices that the APs are showing high cochannel interference. Which profile can be used to adjust the parameters for these high-density APs?

QoS profile

AVC profile

RF profile

ISE profile

NO.28 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?

RX SOP

802.11w

AP Heartbeat Timeout

Application Visibility Control

NO.29 Which non-Wi-Fi interferer can be identified by Metageek Chanalyzer?

PDAs

jammers

smartphones

printers

https://www.metageek.com/training/resources/wifi-and-non-wifi-interference

NO.30 A customer called with a requirement that internal clients must be on different subnets depending on the building they are in. All access points are operating in local mode and will not be modified, and this is a single controller solution. Which design approach creates the desired result?

Create AP groups for each desired location, map the correct VLANs to the internal SSID, and add the access points for that location.

Create an SSID place it to the desired VLAN under WLANs and configure 802.1x in ISE to assign the correct VLAN based on the SSID from which the client is authenticating

Create FlexConnect groups, place the access points in, and set the correct VLAN to SSID mapping based on location.

Create mobility anchors for the SSID and on the controller under the internal SSID create a foreign map to the desired VLAN based on location.

https://www.cisco.com/c/en/us/support/docs/wireless-mobility/wireless-vlan/71477-ap-group-vlans-wlc.html

NO.31 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?

The high priority access point is oversubscribed.

network ap-priority is set to enable.

The critical priority access point count is oversubscribed.

network ap-priority is set to disable.

Section: WLAN High Availability
Explanation/Reference:

NO.32 A customer is concerned about mesh backhaul link security. Which level of encryption does the backhaul link use?

hash

AES

WEP

3DES

NO.33 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.)

wireless channels

access point height

client authentication

client authorization

absorption

https://www.cisco.com/c/en/us/products/collateral/wireless/aironet-1250-series/design_guide_c07-693245.html#_Toc309331086

NO.34 Which feature is supported with the PPPoE client?

DMVPN

QoS on the dialer interface

MLPPP on the interface

Dial-on-demand

Explanation/Reference:

NO.35 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?

WLC

CP2

CP1

https://www.cisco.com/c/dam/en/us/td/docs/cloud-systems-management/network-automation-and-management/dna-center/deploy-guide/cisco-dna-center-sd-access-wl-dg.pdf

NO.36

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 datacentre. An engineer is designing SSO on the pair of controllers. What needs to be included in the design to avoid having the secondary controller go into maintenance mode?

The Keep alive timer is too low. which causes synchronization problems.

The connection between the redundancy ports is missing.

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

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

Explanation
https://www.cisco.com/c/en/us/td/docs/wireless/controller/technotes/8-7/High_Availability_DG.html

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