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Cisco 300-425 certification exam tests the candidate's knowledge of wireless network design principles and best practices, as well as their ability to configure and troubleshoot wireless network infrastructure. 300-425 exam also covers topics such as network management, site surveys, and wireless network security. Candidates who pass 300-425 exam will have demonstrated their ability to design and deploy secure, scalable, and reliable wireless networks in large organizations.
What Career Opportunities Can Certified Specialist Have?
When becoming certified in Enterprise Wireless Design or earning the CCNP Enterprise certification with specialization in this area, one will be eligible to apply for roles such as:
- Systems engineer
- Network engineer
- Network administrator
- Infrastructure design engineer
- Wireless engineer
According to Payscale.com, a wireless engineer can earn around $80k on average in one year. Also, the same website mentions that a network engineer can receive an average salary of $75k per annum.
NEW QUESTION # 55
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 # 56
An AP is receiving 802.11 packets on its 802.11a radio with an RSSI value of -77 dBm. The current AP is part of an AP group that has been assigned an RF profile with RX-SOP set to Medium for 802.11 a. Which action does the AP take with the packets?
- A. All frames are classified as non-Wi-Fi frames and are not decoded by the 5 GHz radio.
- B. Frames are decoded by the 5 GHz radio.
- C. All frames are classified as non-Wi-Fi frames and are not decoded by the 2.4 GHz radio.
- D. Frames are decoded by the 2.4 GHz radio.
Answer: C
NEW QUESTION # 57
An engineer must identify the network requirements for a company that has a main oce and 10 branch support data, voice, video, and location tracking. Which two factors must be considered? (Choose two.)
- A. available power sockets in the IT room
- B. security policy of the company for building access
- C. business type of the company
- D. type of site for which the survey will be performed
- E. number of wireless devices that require access
Answer: C,E
Explanation:
When identifying network requirements, it's important to consider the number of wireless devices that will need access to ensure sufficient capacity and coverage. The business type can influence the types of applications and services that will be used, which in turn affects the network design.
NEW QUESTION # 58 
Refer to the exhibit. During a post Mesh deployment survey, an engineer notices that frame collisions occur when MAP-1 and MAP-3 talk to RAP-2 Which type of issue does the engineer need to address in the design?
- A. backhaul latency
- B. co-channel interference
- C. exposed node
- D. hidden node
Answer: D
Explanation:
The issue described is indicative of a hidden node problem, where MAP-1 and MAP-3 cannot hear each other's transmissions but can both communicate with RAP-2. This leads to frame collisions as both MAPs may attempt to transmit at the same time, unaware of the other's actions. The design needs to address this by implementing mechanisms such as RTS/CTS or adjusting the placement of the APs to avoid this issue.
https://www.cisco.com/en/US/docs/solutions/Enterprise/Mobility/emob30dg/WiMesh.pdf
NEW QUESTION # 59
A network engineer is asked to configure a "site-to-site" Ipsec VPN tunnel. One of the last things that the engineer does is to configure an access list (access-list 1 permit any) along with the command ip nat inside source list 1 int s0/0 overload. Which functions do the two commands serve in this scenario?
- A. The command ip nat inside source list 1 int s0/0 overload provides "many-to-one" access for all devices on a defined segment to share a single IP address upon exiting the external interface.
- B. The command access-list 1 defines interesting traffic that is allowed through the tunnel.
- C. The command access-list 1 permit any defines only one machine that is allowed through the tunnel.
- D. The command ip nat inside source list 1 int s0/0 overload disables "many-to-one" access for all devices on a defined segment to share a single IP address upon exiting the external interface.
Answer: A
Explanation:
Configuring NAT to Allow Internal Users to Access the Internet Using Overloading
Note in the previous second configuration, the NAT pool "ovrld"only has a range of one address. The keyword overload used in the ip nat inside source list 7 pool ovrld overload command allows NAT to translate multiple inside devices to the single address in the pool.
Reference: http://www.cisco.com/en/US/tech/tk648/tk361/technologies_tech_note09186a0080094e77.shtml
NEW QUESTION # 60
An engineer must perform an assessment of a customer LAN for a future IEEE 802.11 ac Wave 2 wireless deployment. All access switches are Fast Ethernet-capable only, and the wired infrastructure between existing APs and access switches is based on the CAT 6A standard.
Which two actions provide maximum support of Cisco 3800 Series access points? (Choose two)
- A. Replace the existing switches with mGig switches.
- B. Replace the existing switches with gigabit switches with 10 G uplinks.
- C. Ensure that cable distances between access switches and APs are not longer than 100 meters
- D. Replace the existing wiring infrastructure with the CAT-7E wiring standard.
- E. Ensure that cable distances between access switches and APs are not longer than 55 meters.
Answer: A,C
NEW QUESTION # 61
The CIO of a company wants to start tracking inventory in the warehouse using RFID tags and their existing wireless network. The company hires a wireless engineer to ensure that their existing network supports this new initiative. Which tool in Cisco Prime helps the wireless engineer?
- A. Site Survey
- B. Planning Mode
- C. Location Readiness
- D. Map Editor
Answer: C
Explanation:
The Location Readiness tool in Cisco Prime analyzes your existing AP placement, RF coverage, and calibration to verify that the network can support location-based services (such as RFID asset tracking) without requiring a separate predictive survey or additional hardware.
NEW QUESTION # 62
An engineer must produce a passive survey report. The coverage heat map shows the entire site with all signal levels. To see only the desired coverage, which action must the engineer take?
- A. Use the RSSI calibration tool to configure the receiver sensitivity.
- B. Change the color scheme to show the desired heat map.
- C. Filter the results to show the desired APs only.
- D. Use the RSSI slider to set the heat map to the desired cutoff filter.
Answer: D
Explanation:
The coverage overage area heatmap shows the span of the signal (in terms of area) and intensity of the signal. The RSSI cutoff is the lowest value of RSSI in dBM which is considered a usable signal and it is shown in dark blue color. RSSI cutoff value in rendering heat map, identifies the span over which the signal is higher than the specified RSSI cutoff value.
https://www.cisco.com/c/en/us/td/docs/net_mgmt/prime/infrastructure/3-
10/user/guide/ciscoprimeinfrastructure_3_10_userguide/use_wireless_site_maps.html#concept_0
452BBBC2E544BCA94AB432F0BE42E10
NEW QUESTION # 63
A university lecture hall has a Cisco wireless high-density network with this configuration:
- 5 GHz only
- 20-MHz channels
- UNII-1, UNII-2, and UNII2-E channels
- TPC minimum = 8
- TPC maximum = 14
The lecture hall is 200 feet by 100 feet and has 16 Cisco APs that use directional antennas.
Which feature must be included in the design to mitigate and reduce high-channel utilization from rogue APs?
- A. 802.11w
- B. band select
- C. RxSOP
- D. DFS detection
Answer: D
NEW QUESTION # 64
The wireless team must configure a new voice SSID for optimized roaming across multiple WLCs with Cisco 8821 phones. Which two settings accomplish this goal? (Choose two.)
- A. Use Cisco Centralized Key Management for authentication.
- B. Configure AVC profile on new SSID.
- C. Use AVC to tag traffic voice traffic as best effort.
- D. Configure mobility groups between WLCs.
- E. Configure AP groups between WLCs.
Answer: A,D
NEW QUESTION # 65
Which two criteria must be considered when conducting an outdoor bridge site survey? (Choose two.)
- A. weather
- B. traffic lights
- C. power lines
- D. Fresnel zone
- E. near-far effect
Answer: A,D
Explanation:
NEW QUESTION # 66
Drag and Drop Question
Drag and drop the characteristics from the left onto the correct functionalities on the right.
Answer:
Explanation:
Explanation:
Link Aggregation
Link aggregation (LAG) is a partial implementation of the 802.3ad port aggregation standard. It bundles all of the controller's distribution system ports into a single 802.3ad port channel. This reduces the number of IP addresses required to configure the ports on your controller. When LAG is enabled, the system dynamically manages port redundancy and load balances access points transparently to the user.
LAG simplifies controller configuration because you no longer require to configure primary and secondary ports for each interface. If any of the controller ports fail, traffic is automatically migrated to one of the other ports. As long as at least one controller port is functioning, the system continues to operate, access points remain connected to the network, and wireless clients continue to send and receive data.
https://www.cisco.com/c/en/us/td/docs/wireless/controller/74/configuration/guides/consolidated/b_cg74_CONSOLIDATED/b_cg74_CONSOLIDATED_chapter_010 100001.html
NEW QUESTION # 67
Refer to the exhibit.
What is the main reason why the Wi-Fi design engineer took a different approach than installing the APs in the offices, even though that installation provides better coverage?
- A. aesthetics
- B. antenna gain
- C. transmit power considerations
- D. power supply considerations
Answer: C
Explanation:
Explanation
https://www.cisco.com/en/US/docs/solutions/Enterprise/Mobility/emob30dg/RFDesign.html#wp1000551
NEW QUESTION # 68
An engineer needs a wireless design to provide redundancy for APs at remote sites that are connected to Cisco 3504 Wireless LAN Controllers. The central Cisco 5520 Wireless LAN Controller supports 2000 APs and has 1975 access points associated to it. The engineer decides that not all APs at the remote sites must remain functional in the event of a failure. How does the engineer ensure that the most important access points at the remote sites remain online while not impacting the main site?
- A. Enable AP Fallback Mode, set the 1975 APs to a priority of "high", and set the 25 most important APs at the remote sites to "critical".
- B. Enable Global AP Failover Priority, leave the 1975 APs at the default priority, and set the most important APs at the remote sites to "low".
- C. Enable AP Fallback Mode, leave the 1975 APs at the default priority, and set the most important APs at the remote sites to "high".
- D. Enable Global AP Failover Priority, set the 1975 APs to a priority of "high", and set the 25 most important APs at the remote sites to "critical".
Answer: D
Explanation:
To ensure that the most critical APs at remote sites remain functional in the event of a failure, the Global AP Failover Priority feature can be used. By setting the priority of the most important APs to "critical", these APs will be given precedence over others during a failover scenario. This allows the engineer to prioritize which APs should remain online without impacting the main site's APs, which are set to a "high" priority.
NEW QUESTION # 69
A customer has a centralized wireless deployment with N+1 high availability and few open authentication SSIDs configured. After failover, all APs are broadcasting all SSIDs, but the clients are assigned IP addresses from a different subnet. The WLANs on both WLCs are configured with the same dynamic interfaces. Which feature must be incorporated in the wireless design of the second controller?
- A. VLAN Select
- B. AAA Override
- C. RF Profile
- D. AP Groups
Answer: A
NEW QUESTION # 70
Refer to the exhibit.
Client A is roaming from AP1 on WLC1 to AP2 on WLC2. The client roams between two APs registered to two different controllers. The WLAN on the two controllers is on a different subnet. Which scenario explains the client's roaming behavior?
- A. The client database remains in the mobility anchor controller and it is not cop-ied or moved.
- B. The client database entry is different than that of Layer 2 roam. (Instead of cop-ying, it moves the database to the new controller.)
- C. The client database entry is different than that of Layer 2 roam because the cli-ent database is neither moved nor copied into the new controller.
- D. The client database entry is different than that of Layer 2 roam. (Instead of mov-ing, it copies the database to the new controller.)
Answer: D
Explanation:
When Client A roams from AP1 on WLC1 to AP2 on WLC2 across different subnets, this is considered a Layer 3 roam. Unlike Layer 2 roaming where the client's database entry moves with them, in Layer 3 roaming, the client's database entry is copied to the new controller (WLC2). This ensures continuity of service as Client A transitions between access points managed by different wireless LAN controllers. References := (CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide Premium Edition and Practice)
NEW QUESTION # 71
A consulting engineer on a brownfield deployment must improve the roaming experience of legacy wireless handheld scanners on a wireless network with a Cisco Catalyst 9800-80 WLC and Cisco 91301 APs The requirement is that when the handheld scanner drops below -75 dBm in RSSI, the WLC should disassociate the scanner so that the scanner looks for a better connection to roam. Which feature must the engineer enable on the controller?
- A. fast BSS transition over-the-DS
- B. assisted roaming
- C. fast BSS transition over-the-air
- D. optimized roaming
Answer: D
NEW QUESTION # 72
An engineer must design and configure a wireless network for:
- pervasive coverage in an oil terminal
- casual web and email traffic
- 5 GHz
What is the best design?
- A. Disable all data rates below 24 Mbps and keep the power assignment on the AP as auto.
- B. Disable all data rates below 54 Mbps and assign static power level 1 on all access points.
- C. Keep the power assignment as auto and disable 802.11n and 802.11ac MCS rate.
- D. Keep all the data rates enabled and set the AP power assignment mode to auto.
Answer: A
NEW QUESTION # 73
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.)
- A. Ensure that the client is receiving RSSI above the minimum band select RSSI threshold.
- B. Ensure that the UNII-2 extended channels are enabled on the 802.11a radios.
- C. Ensure that channel bonding is enabled on the WLAN.
- D. Ensure that the WLAN has 802.11a enabled.
- E. Ensure that the client is dual-band capable.
- F. Ensure that the co-channel interference has not exceeded −85 dBm.
Answer: A,B,E
Explanation:
Section: Wired and Wireless Infrastructure
NEW QUESTION # 74
A customer has two Cisco wireless controllers named WLC-A and WLC-B. Each controller is in a different building on a campus. The WLCs have different Layer 3 interfaces and broadcast the same SSIDs from their respective APs. Users must remain connected to the same VLAN and maintain their IP addresses during roaming from the APs that are attached to WLC-A and WLC B. Which action accomplishes the requirement?
- A. Create an SSO cluster to ensure that client sessions sync between WLCs.
- B. Create a mobility group between the two WLCs to allow auto-anchoring.
- C. Enable 802.11r on each SSID on both WLCs to allow caching of the PMK.
- D. Enable AP groups using the same name on both WLCs for each group.
Answer: B
Explanation:
To maintain the same VLAN and IP address for users roaming between APs attached to different WLCs, a mobility group should be created between WLC-A and WLC-B. This allows for inter-controller roaming, where client sessions are maintained across different controllers, ensuring that users can move across the campus without losing connectivity or changing IP addresses.
:
Cisco's official training and certification resources.
NEW QUESTION # 75
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. 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
- B. 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.
- C. 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.
- D. 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.
Answer: B
NEW QUESTION # 76
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.)
- A. Use APs with built-in antennas.
- B. Use a battery pack to power APs
- C. Use DoS attack on APs while measuring the throughput.
- D. Use APs with directional antennas.
- E. Use a drawing of the office space to draw AP and client placements.
- F. Use APs with external antennas.
Answer: A,B,E
Explanation:
For an effective office site survey, it's recommended to: A. Use a battery pack to power APs - This allows for mobility and testing in various locations without relying on fixed power sources. B. Use a drawing of the office space to mark AP and client placements - This helps in planning the optimal locations for AP installation. F. Use APs with built-in antennas - They are commonly used for site surveys as they represent the typical deployment scenario.
References: The official Cisco ENWLSD 300-425 certification guide will have more details on conducting site surveys.
https://www.cisco.com/c/en/us/td/docs/wireless/technology/mesh/8-4/b_mesh_84/Site_Preparation_and_Plannin
NEW QUESTION # 77
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