Ultimate Guide to the 300-425 - Latest Aug 05, 2022 Edition Available Now
2022 Updated Verified Pass 300-425 Exam - Real Questions and Answers
NEW QUESTION 63
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. throughput capacity
- B. controller PSU
- C. software version
- D. number of AP licenses
Answer: D
Explanation:
https://www.cisco.com/c/en/us/products/collateral/wireless/catalyst-9100ax-access-points/nb-06-802-11ax-faq-cte-en.html
NEW QUESTION 64
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?
- A. up to 20 WLCs and 4000 APs
- B. up to 20 WLCs and 1000 APs
- C. up to 20 WLCs and 6000 APs
- D. up to 20 WLCs and 3000 APs
Answer: C
Explanation:
https://www.cisco.com/c/en/us/td/docs/wireless/controller/8-9/config-guide/b_cg89/radio_resource_management.html
NEW QUESTION 65
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?
- A. up to 20 WLCs and 4000 APs
- B. up to 20 WLCs and 1000 APs
- C. up to 20 WLCs and 6000 APs
- D. up to 20 WLCs and 3000 APs
Answer: C
Explanation:
Explanation
https://www.cisco.com/c/en/us/td/docs/wireless/controller/8-9/config-guide/b_cg89/radio_resource_management
NEW QUESTION 66
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?
- A. The Keep alive timer is too low. which causes synchronization problems.
- B. The redundancy port must be the same subnet as the redundancy mgmt.
- C. The connection between the redundancy ports is missing.
- D. The Global Configuration of SSO is set to Disabled on the controller.
Answer: C
Explanation:
'There are few scenarios where the Standby WLC may go into Maintenance Mode and not be able to communicate with the network and peer: * Non reachability to Gateway via Redundant Management Interface * WLC with HA SKU which had never discovered peer * Redundant Port is down * Software version mismatch (WLC which boots up first goes into active mode and the other WLC in Maintenance Mode)' High Availability (SSO) Deployment Guide - Cisco
NEW QUESTION 67
An engineer performs a Layer 1 survey by using Metegeek chanalyzer only on the current operating channel. Which operating mode is configured for a Cisco CleanAIR AP?
- A. Local
- B. Monitor
- C. SE-connect
- D. Sniffer
Answer: A
Explanation:
NEW QUESTION 68
Which UDP port numbers are used for exchange mobility packets in an AireOS wireless deployment?
- A. UDP 16668 for control plane, UDP 16667 for data plane
- B. UDP 16666 for control plane, UDP 16667 for data plane
- C. UDP 16667 for control plane, UDP 16666 for data plane
- D. UDP 16666 for control plane, EoIP (IP protocol 97) for data plane
Answer: B
NEW QUESTION 69
A technician connects a Cisco Aironet 3700 Series access point to a switch and realizes that the AP is coming up with 3x3 MIMO. Which reason explains this behavior?
- A. The switch is 802.3af capable.
- B. A redundant power supply is unavailable on the switch.
- C. The switch is PoE+ capable.
- D. The AP is getting power from a power injector.
Answer: A
Explanation:
NEW QUESTION 70
An engineer has configured guest anchoring for a newly created SSD however, the mobility tunnels are not up, and EPING is failing from the foreign WLC to the anchor WLC. Which traffic flow must be allowed at the firewall to enable the communication?
- A. TCP port 97
- B. UDP port 97
- C. UDP port 16666
- D. IP protocol 97
Answer: C
Explanation:
NEW QUESTION 71
A network engineer is configuring high availability on an access point. What is the maximum number of controllers that can be configured?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 72
An engineer performs a Layer 1 survey by using Metageek Chanatyzer only on the current operating channel. Which operating mode is configured for a Cisco CleanAir AP?
- A. monitor
- B. SE-connect
- C. local
- D. sniffer
Answer: C
Explanation:
https://www.metageek.com/training/lessons/chanalyzer-clean-air.html
NEW QUESTION 73
Which non-Wi-Fi interferer can be identified by Metageek Chanalyzer?
- A. jammers
- B. PDAs
- C. smartphones
- D. printers
Answer: A
Explanation:
Explanation
https://www.metageek.com/training/resources/wifi-and-non-wifi-interference
NEW QUESTION 74
Multiple WLCs are implemented in a high-availability configuration in a mobility group. APs are deployed with only a primary controller assigned. By default, which mobility group member controller do the orphaned APs join in the event of a failed controller?
- A. controller with the most available AP free license capacity
- B. controller with the least number of associated APs
- C. controller with the least CPU utilization over the last reporting period
- D. controller with the lowest percent of associated APs per license capacity
Answer: B
Explanation:
Section: Mobility
NEW QUESTION 75
A wireless engineer is performing a post verification of a wireless network. Which two metrics does the engineer verify to ensure that the wireless network can support voice services? (Choose two.)
- A. The client device must have at least an -65 dBm RSSI.
- B. The rate of retransmitted packets must be 15 percent or below.
- C. The client device must have at least an -67 dBm RSSI.
- D. The rate of retransmitted packets must be 20 percent or below.
- E. The coverage area must have a noise floor that does not exceed -87 dBm.
Answer: B,C
NEW QUESTION 76
Refer to the exhibit.
Which two statements about Cisco Prime Infrastructure are true? (Choose two.)
- A. It shows the map editor feature in Cisco Prime Infrastructure.
- B. Controllers must be synchronized with Cisco Prime Infrastructure for planning mode to work.
- C. It presents the recommended number of APs for the selected coverage area based on the selections made.
- D. Planning mode requires a special license in Cisco Prime Infrastructure.
- E. It shows the planning mode feature in Cisco Prime Infrastructure.
Answer: C,E
Explanation:
NEW QUESTION 77
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?
- A. 12 Mbps on 802.11 an
- B. 24 Mbps on 802.11 bgn
- C. 6 Mbps on 802.11 bgn
- D. 24 Mbps on 802.11 an
Answer: B
Explanation:
NEW QUESTION 78
An engineer must create data-link redundancy for the company'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.)
- A. The same port has multiple untagged dynamics interfaces.
- B. Packets are always sent out on the same port they are received on.
- C. Full bandwidth of all links is available.
- D. Interface connection to two separate nonstacked switches is available.
- E. All interface traffic passes as long as one port is up.
- F. Ports are grouped into multiple LAGs.
Answer: B,E,F
Explanation:
https://community.cisco.com/t5/wireless-mobility-documents/lag-link-aggregation/ta-p/3128669
NEW QUESTION 79
Refer to the exhibit.
Which two statements about Cisco Prime Infrastructure are true? (Choose two.)
- A. It shows the map editor feature in Cisco Prime Infrastructure.
- B. Planning mode requires a special license in Cisco Prime Infrastructure.
- C. It shows the planning mode feature in Cisco Prime Infrastructure.
- D. It presents the recommended number of APs for the selected coverage area based on the selections made.
- E. Controllers must be synchronized with Cisco Prime Infrastructure for planning mode to work.
Answer: C,E
Explanation:
NEW QUESTION 80
A customer has two Cisco 550B WLCs that manage all the access points in their network and provide N+1 redundancy and load balancing. The primary Cisco WLC has 60 licenses and the secondary Cisco WLC has
40. The customer wants to convert the N+1 model to an HA model and provide SSO. Configuration must be performed during a maintenance window. After performing all the configurations on both controllers, the config redundancy unit secondary command is issued on the secondary Cisco WLC and it fails. Which parameter needs to be in place to complete the configuration?
- A. The primary Cisco WLC is already set as the secondary unit.
- B. The secondary Cisco WLC needs a minimum of 50 base licenses
- C. SSO needs to be enabled
- D. A cable in the RP port
Answer: B
Explanation:
NEW QUESTION 81
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. 0
- B. 1
- C. 2
- D. 3
Answer: B
Explanation:
Explanation
So, each AP will have 25 clients. Minimum 4 APs are sufficient.
NEW QUESTION 82
Which non-Wi-Fi interferer can be identified by Metageek Chanalyzer?
- A. jammers
- B. PDAs
- C. smartphones
- D. printers
Answer: A
NEW QUESTION 83
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.)
- A. TPC
- B. TSPEC
- C. LSS
- D. DFS
- E. RXSOP
Answer: A,D
NEW QUESTION 84
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?
- A. 802.11w
- B. Application Visibility Control
- C. AP Heartbeat Timeout
- D. RX SOP
Answer: D
Explanation:
Explanation
https://www.cisco.com/c/en/us/td/docs/wireless/controller/8-5/configguide/b_cg85/advanced_wireless_tuning.ht
NEW QUESTION 85
A network administrator is troubleshooting a DMVPN setup between the hub and the spoke. Which action should the administrator take before troubleshooting the IPsec configuration?
- A. Verify ISAKMP.
- B. Verify the GRE tunnels.
- C. Verify NHRP.
- D. Verify crypto maps.
Answer: B
NEW QUESTION 86
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. PMF
- B. FT
- C. GTK-randomization
- D. PEAP
Answer: B
Explanation:
NEW QUESTION 87
Which statement about AP failover priority for access points when configured with priority 1 or 4 is true?
- A. 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.
- B. 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.
- C. 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.
- D. 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.
Answer: D
Explanation:
NEW QUESTION 88
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