300-425 practice test

1. Question 1 · 1

   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.)

   Choose all answers that apply.

   • 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.

2. Question 2 · 1

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

   Choose one answer.

   • PDAs
   • jammers
   • smartphones
   • printers

3. Question 3 · 1

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

   Choose one answer.

   • rping
   • ping
   • eping
   • mping

4. Question 4 · 1

   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.)

   Choose all answers that apply.

   • 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.

5. Question 5 · 1

   How does AP failover priority for access points function when configured with priority 1 or 4?

   Choose one answer.

   • 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.

6. Question 6 · 1

   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?

   Choose one answer.

   • 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.

7. Question 7 · 1

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

   Choose one answer.

   • 1
   • 2
   • 3
   • 4

8. Question 8 · 1

   An engineer is trying to determine the most cost-effective way to deploy high availability for a campus enterprise wireless network that currently leverages three wireless LAN controllers. Which architecture should the engineer deploy?

   Choose one answer.

   • N+N with SSO
   • N+1 solution without SSO
   • N+N solution without SSO
   • N+1 with SSO

9. Question 9 · 1

   An engineer is designing a wireless network to support high availability. The network will need to support the total number of APs and client SSO. Live services should continue to work without interruption during the failover. Which two requirements need to be incorporated into the design to meet these needs? (Choose two.)

   Choose all answers that apply.

   • controller high availability pair with one of the WLCs having a valid AP count license
   • WLC 7.5 code or more recent
   • redundant vWLC
   • 10 sec RTT
   • back-to-back direct connection between WLCs

10. Question 10 · 1

    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 in the design to avoid having the secondary controller go into maintenance mode?

    Choose one answer.

    

    • The redundancy port must be the same subnet as the redundancy mgmt.
    • The keep alive timer is too low, which causes synchronization problems.
    • The connection between the redundancy ports is missing.
    • The Global Configuration of SSO is set to Disabled on the controller.

11. Question 11 · 1

    Two Cisco 5520 Wireless LAN Controllers are managing all APs throughout the network. The WLCs are in different locations to provide geographical redundancy. A mobility group has been configured on both WLCs and has an UP status on both controllers. The APs in location A are statically configured to use controller A as the primary and controller B as the secondary. If the WLC in location A goes offline, the APs successfully join the WLC in location B, but they do not fail over to the primary configured controller. Which configuration task fixes this issue?

    Choose one answer.

    • Enable AP fallback globally on the WLC.
    • Change the AP Failover Priority to critical.
    • Use DHCP Option 43 and specify WLC in location A as primary.
    • Configure the WLC in location A as primary using the CAPWAP AP Controller IP Address command on all the location A APs.

12. Question 12 · 1

    During a wireless design all APs are mapped to designated controllers in case of a failure. The controllers are located in the same data center but in different racks. An AP failed over to a controller that was not defined on its High Availability tab. The customer does not want the AP to move back to its defined Cisco WLCs until they manually intervene. What needs to be addressed in the design?

    Choose one answer.

    • Set AP fallback to enabled.
    • Set AP fallback to disabled.
    • Change the HA SKU secondary unit option.
    • Change the default mobility domain.

13. Question 13 · 1

    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?

    Choose one answer.

    • גˆ’78 to גˆ’65 dBm
    • גˆ’72 to גˆ’67 dBm
    • גˆ’85 to גˆ’65 dBm
    • גˆ’85 to גˆ’67 dBm

14. Question 14 · 1

    A network engineer is troubleshooting connectivity issues between two WLCs running 8.x code in SSO mode and finds that the redundancy management heartbeat is failing. Which packet type must be filtered for heartbeats when taking a capture to verify communication?

    Choose one answer.

    • RSTP
    • UDP
    • TCP
    • ICMP

15. Question 15 · 1

    A customer has multiple WLCs running N+1 redundancy with APs equally distributed. Only one WLC is a designated backup for all other WLCs so the customer must ensure that the most critical APs remain registered or get priority over other APs in case of a WLC failure. However, the customer notices on WLC failure that some critical APs remain unregistered What needs to be addressed in the design?

    Choose one answer.

    • AP fallback is not enabled on the backup WLC.
    • AP failover priority is not enabled globally on the backup WLC.
    • AP failover priority is not enabled globally on the failed WLC.
    • AP fallback is not enabled on the failed WLC.

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