[Dec 19, 2021] Prepare For The 300-425 Question Papers In Advance
300-425 PDF Dumps Real 2021 Recently Updated Questions
NEW QUESTION 45
An engineer is designing a wireless network that will support many different types of wireless clients. When conducting the survey, which client must be used to ensure a consistent experience for all of the wireless clients?
- A. the client with the worst RF characteristics
- B. the client that is used least by the company
- C. the client that is used most by the company
- D. the client that has the highest RF properties
Answer: A
Explanation:
https://documentation.meraki.com/MR/WiFi_Basics_and_Best_Practices/Conducting_Site_Surveys_with_MR_Access_Points
NEW QUESTION 46
During a wireless network design, a customer requires wireless coverage on the perimeter of a building but also wants to minimize signal leakage from the wireless network. Which antenna should be used to accomplish this design?
- A. Patch
- B. Dipole
- C. Monopole
- D. Omnidirectional
Answer: B
Explanation:
Explanation
https://www.cisco.com/c/en/us/td/docs/routers/connectedgrid/antennas/installing-combined/industrial-routers-and
NEW QUESTION 47
Which CLI command does an engineer use to validate that the redundancy peer of a Stateful Switchover pair of controllers is up and connected?
- A. eping
- B. rping
- C. mping
- D. ping
Answer: D
Explanation:
NEW QUESTION 48
Two cisco 5520 wireless LAN controllers are managing all access points throughout the network. The WLCs are in different locations to provide geographical redundancy a mobility group has been configured on both WLCs and has a 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, but they do not fail over to their primary configured controller. Which configuration task fixes the issue?
- A. Enable AP fallback globally on the WLC
- B. Change the AP Failover Priority to critical.
- C. Use DHCP Option 43 and specify WLC in location A as primary.
- D. Configure the WLC in location A as primary using the CAPWAP AP Controller IP Address command on all the location A Access points.
Answer: D
NEW QUESTION 49
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?
- A. RF profile
- B. AVC profile
- C. QoS profile
- D. ISE profile
Answer: C
NEW QUESTION 50
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 coverage area must have a noise floor that does not exceed -87 dBm.
- B. The rate of retransmitted packets must be 20 percent or below.
- C. The client device must have at least an -65 dBm RSSI.
- D. The client device must have at least an -67 dBm RSSI.
- E. The rate of retransmitted packets must be 15 percent or below.
Answer: D,E
NEW QUESTION 51
DRAG DROP
Select and Place:
Answer:
Explanation:
Explanation:
CoPP and MPP
https://www.cisco.com/c/en/us/about/security-center/copp-best-practices.html Control Plane Policing (CoPP) - CoPP is the Cisco IOS-wide route processor protection mechanism. As illustrated in Figure 2, and similar to rACLs, CoPP is deployed once to the punt path of the router. However, unlike rACLs that only apply to receive destination IP packets, CoPP applies to all packets that punt to the route processor for handling. CoPP therefore covers not only receive destination IP packets, it also exceptions IP packets and non-IP packets. In addition, CoPP is implemented using the Modular QoS CLI (MQC) framework for policy construction. In this way, in addition to simply permit and deny functions, specific packets may be permitted but rate-limited. This behavior substantially improves the ability to define an effective CoPP policy. (Note: that "Control Plane Policing" is something of a misnomer because CoPP generally protects the punt path to the route processor and not solely the control plane.) CoPP Policy Construction and Deployment Concepts Before describing the details of CoPP policy construction and deployment, some of the important details related to MQC and its operation, especially within the context of CoPP are discussed.
In MQC, the class-map command is used to define a traffic class. A traffic class contains three major elements: a name, one or a series of match commands, and an instruction on how to evaluate these match commands. Match commands are used to specify various criteria for classifying packets. Packets are checked to see whether they match the criteria specified in the match commands. If a packet matches the specified criteria, that packet is considered a member of the class and is treated according to the QoS specifications set in the service policy. Packets that fail to meet any of the matching criteria are classified as members of the default class.
The instruction for evaluating match commands is specified as either match-any or match-all. When more than one match statement is included, match-any requires that a packet match at least one of the statements to be included in the class. If match-all is used, a packet must match all of the statements to be included in the class.
The policy-map command is used to associate a traffic class, defined by the class-map command, with one or more QoS policies. The result of this association is called a service policy. A service policy contains three elements: a name, a traffic class (specified with the class command), and the QoS policies. The purpose of the service policy is to associate a traffic class with one or more QoS policies. Classes included within policy maps are processed top-down. When a packet is found to match a class, no further processing is performed. That is, a packet can only belong to a single class, and it is the first one to which a match occurs. When a packet does not match any of the defined classes, it is automatically placed in the class class-default. The default class is always applied, whether it is explicitly configured or not.
The service-policy command is used to attach the service policy, as specified with the policy-map command, to an interface. In the case of CoPP, this is the control-plane interface. Because the elements of the service policy can be applied to packets entering, or in some versions of CoPP, leaving the interface, users are required to specify whether the service policy characteristics should be applied to incoming or outgoing packets.
It is important to note that MQC is a general framework used for enabling all QoS throughout Cisco IOS, and not exclusively for CoPP. Not all features available within the MQC framework are available or applicable to CoPP policies. For example, only certain classification (match) criteria are applicable to CoPP. In some instances, there are MQC platform and/or IOS-dependencies that may apply to CoPP. Consult the appropriate product references and configuration guides for any CoPP-specific dependencies.
Constructing the CoPP Policy
Deploying the CoPP Policy
Verifying the CoPP Policy
Tuning the CoPP Policy
https://www.cisco.com/c/en/us/td/docs/ios/12_4t/12_4t11/htsecmpp.html#wp1049321 Management Plane The management plane is the logical path of all traffic related to the management of a routing platform. One of three planes in a communication architecture that is structured in layers and planes, the management plane performs management functions for a network and coordinates functions among all the planes (management, control, data). The management plane also is used to manage a device through its connection to the network.
Examples of protocols processed in the management plane are Simple Network Management Protocol (SNMP), Telnet, HTTP, Secure HTTP (HTTPS), and SSH. These management protocols are used for monitoring and for CLI access. Restricting access to devices to internal sources (trusted networks) is critical.
Benefits of the Management Plane Protection Feature
Implementing the MPP feature provides the following benefits:
-Greater access control for managing a device than allowing management protocols on all interfaces
-Improved performance for data packets on nonmanagement interfaces
-Support for network scalability
-Simplifies the task of using per-interface ACLs to restrict management access to the device
-Fewer ACLs needed to restrict access to the device
-Management packet floods on switching and routing interfaces are prevented from reaching the CPU
NEW QUESTION 52
During a post deployment site survey, issues are found with non-Wi-Fi interference. What should the engineer use to identify the source of the interference?
- A. wireless intrusion prevention
- B. Cisco Spectrum Expert
- C. Wireshark
- D. network analysis module
Answer: B
Explanation:
https://www.cisco.com/c/en/us/products/collateral/wireless/spectrum-expert/product_data_sheet0900aecd807033c3.html
NEW QUESTION 53
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. 6 Mbps on 802.11 bgn
- B. 12 Mbps on 802.11 an
- C. 24 Mbps on 802.11 an
- D. 24 Mbps on 802.11 bgn
Answer: D
Explanation:
NEW QUESTION 54
A customer is concerned about mesh backhaul link security. Which level of encryption does the backhaul link use?
- A. 3DES
- B. AES
- C. WEP
- D. hash
Answer: B
Explanation:
NEW QUESTION 55
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?
- A. network ap-priority is set to enable.
- B. network ap-priority is set to disable.
- C. The critical priority access point count is oversubscribed.
- D. The high priority access point is oversubscribed.
Answer: D
Explanation:
Explanation
https://www.ciscolive.com/c/dam/r/ciscolive/emea/docs/2016/pdf/BRKCOL-2275.pdf
NEW QUESTION 56
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. 6 Mbps on 802.11 bgn
- B. 12 Mbps on 802.11 an
- C. 24 Mbps on 802.11 an
- D. 24 Mbps on 802.11 bgn
Answer: D
Explanation:
NEW QUESTION 57
A customer is looking for a network design with Cisco Hyperloctation using AP4800 for location tracking via a custom mobile app Issues appeared in the past with refresh rates for location updates.
What needs to be implemented to meet these requirements?
- A. redundant CMX and fetch location in round-robin fashion.
- B. Cisco FastLocate technology
- C. Cisco CMX SDK in the location app
- D. device Bluetooth via the app
Answer: B
NEW QUESTION 58
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?
- A. CP2
- B. CP1
- C. WLC
- D. BN
Answer: C
NEW QUESTION 59
What is the purpose of configuring the router as a PPPoE client? Select the best response.
- A. For DSL connectivity and removing the need for the end-user PC to run the PPPoE client software
- B. To enable PPP session from the router to the termination device at the headend for metro Ethernet connectivity
- C. For connecting the router to a cable modem, which bridges the Ethernet frames from the router to the cable modem termination system
- D. To provide VPN access over L2TP
Answer: A
NEW QUESTION 60
An enterprise is using two wireless controllers to support the wireless network. The data centre is located in the head office Each controller has a corporate WLAN configured with the nameCopr-NET390595865WLC-1 and Copr-NET6837l638WLC-2. The APs are installed using a round-robin approach to load balance the traffic. What should be changed on the configuration to optimize roaming?
- A. Move all access points to one controller and use the other as N+1 HA.
- B. Use the same WLAN name for the corporate network on both controllers.
- C. Place the access points per floor on the same controller.
- D. Use the same WLAN name for the corporate network on both controllers.
Answer: A
NEW QUESTION 61
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. Packets are always sent out on the same port they are received on.
- B. Interface connection to two separate nonstacked switches is available.
- C. All interface traffic passes as long as one port is up.
- D. Full bandwidth of all links is available.
- E. Ports are grouped into multiple LAGs.
- F. The same port has multiple untagged dynamic interfaces.
Answer: A,C,E
Explanation:
https://community.cisco.com/t5/wireless-mobility-documents/lag-link-aggregation/ta-p/3128669
NEW QUESTION 62
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. A redundant power supply is unavailable on the switch.
- B. The AP is getting power from a power injector.
- C. The switch is 802.3af capable.
- D. The switch is PoE+ capable.
Answer: C
Explanation:
NEW QUESTION 63
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. 6 Mbps on 802.11 bgn
- B. 12 Mbps on 802.11 an
- C. 24 Mbps on 802.11 an
- D. 24 Mbps on 802.11 bgn
Answer: D
Explanation:
NEW QUESTION 64
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?
- A. Use AIR-AP-BRACKET-1 to allow for greater mounting locations
- B. Deploy environmentally friendly cabling components to blend into the environment.
- C. Paint the access point to cover the LED from being noticeable.
- D. Use enclosures to hide the wireless infrastructure in the surrounding environment.
Answer: B
Explanation:
NEW QUESTION 65
A high-density wireless network is designed. Which Cisco WLC configuration setting must be incorporated in the design to encourage clients to use the 5 GHz spectrum?
- A. Band Select
- B. RRM
- C. Cisco Centralized Key Management
- D. load balancing
Answer: A
Explanation:
NEW QUESTION 66
An engineer has deployed a group of APs m an auditorium and notices that the APs are showing high co-channel interference Which profile is used to adjust the parameters for these high-density APs?
- A. AVC profile
- B. QoS profile
- C. ISE profile
- D. RF profile
Answer: D
Explanation:
https://www.cisco.com/c/en/us/td/docs/wireless/controller/technotes/8-7/b_wireless_high_client_density_design_guide.html
NEW QUESTION 67
What is a key benefit of using a GRE tunnel to provide connectivity between branch offices and headquarters?
- A. Less overhead
- B. Open standard
- C. Dynamic routing over the tunnel
- D. Authentication, integrity checking, and confidentiality
- E. Granular QoS support
- F. Scalability
Answer: C
Explanation:
Generic routing encapsulation. Tunneling protocol developed by Cisco that can encapsulate a wide variety of protocol packet types inside IP tunnels, creating a virtual point-to-point link to Cisco routers at remote points over an IP internetwork.
NEW QUESTION 68
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?
- A. CP2
- B. CP1
- C. WLC
- D. BN
Answer: C
Explanation:
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
NEW QUESTION 69
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