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NEW QUESTION # 37
Refer to the exhibit.
Which statement is true?
- A. The client is using BSS Fast Transition
- B. The client performed passive scanning
- C. The client is failing 802.1X authentication
- D. The client used an incorrect passphrase
Answer: C
Explanation:
The exhibit shows a series of 802.1X authentication steps with multiple "Deauthentication" frames, which indicate that the client is not successfully completing the authentication process. Since the frames show repeated attempts at authentication followed by deauthentication, this suggests that the client is failing the
802.1X authentication process, which is required for network access in a WPA2/WPA3-Enterprise security environment.
NEW QUESTION # 38
A customer wan a gateway connected to a device on gigabitethernet0/0/3 configures an Asset ID TLVon the device for inventory management.
Exhibit.
The customer mentions me Asset ID is not shown What is causing the issue?
- A. MTU size is too small.
- B. Unknown TLVs cannot be displayed.
- C. LLPD-MED needs to be enabled.
- D. LLDP TX is not enabled.
Answer: B
Explanation:
The issue is that unknown TLVs (Type Length Values) cannot be displayed. LLDP (Link Layer Discovery Protocol) is used to share device information with network neighbors, but if a TLV is not recognized by the LLDP implementation on the gateway, it won't be displayed or processed. Hence, the Asset ID TLV set on the device for inventory management is not showing up because it is unrecognized or unsupported by the gateway's LLDP.
NEW QUESTION # 39
The ACME company has an AOS-CX 6200 VSF switch slack with an uplink over subscription ratio of 9.6:1.
They have indicated that their low-priority TCP traffic has been flagged with a DSCP marking coloring them yellow.
Refer to the exhibit.
They are considering adding two more nodes to thestack without adding any additional uplinks due to existing wiring constraints.One of their architects has suggested adding the following configuration:
What would be the impact of applying the acmethreshold profile as shown? (Select two.)
- A. Only VoIP packets egressing queue 5 on LAG1 will likely be protected from uplink over-utilization.
- B. Yellow-flagged TCP traffic egressing LAG1 will be subject to drop probability
- C. VoIP packets egressing any queue on LAG1 will more likely be protected from uplink over-utilization
- D. All upper-layer protocol traffic egressing LAG1 will be subject to drop probability.
- E. All TCP traffic egressing LAG1 wail be subject to drop probability
Answer: B,D
Explanation:
Applying the 'acmethreshold' profile as shown in the exhibit would set a minimum and maximum threshold for queue 0, which affects the drop probability for traffic that exceeds these thresholds. The yellow marking indicates a medium drop precedence, so yellow-flagged traffic would be more likely to be dropped when congestion occurs, and the uplink is over-utilized. This action is intended to protect higher-priority traffic, such as VoIP, by giving it a lower probability of being dropped.
NEW QUESTION # 40
Exhibit.
A customer is reporting mat connectivity is Tailing for some wireless client Devices. What are your conclusions from the capture? (Select two.)
- A. The network is using WPA3-SAE key management.
- B. The client is not receiving an IP address.
- C. The network is using WPA2-PSK key management.
- D. The client does not have an ARP entry for me default gateway.
- E. The client does not support beamforming.
Answer: B,C
Explanation:
The capture shows messages related to WPA key management, indicating WPA2-PSK is being used. Also, the capture includes a DHCP request from the client but no corresponding DHCP ACK, suggesting the client is not receiving an IP address, which could explain the connectivity failure.
NEW QUESTION # 41
A deployment using AP-635S is connectedto a stack of CX 6300s as shown.
The output of the snow LACPinterfaces shews the following:
What is causing this issue?
- A. Spanning tree and loop protect are enabled on both AP uplink ports.
- B. Each AP interface is connected to a routed-only interlace on different networks
- C. e0 is connected to a smart rate interface, and e1 is connected to a non-smart rate interface.
- D. The AP is configured with LACP active
Answer: D
Explanation:
In an Aruba deployment, if an AP's interfaces show different LACP states, it often indicates a configuration mismatch. If one interface is up and the other is blocked as shown in the output,it's likely due to both interfaces on the AP being set to LACP active mode, which is a correct setting for establishing an LACP channel with Aruba switches like the CX 6300 series.
NEW QUESTION # 42
A customer has deployed anAOS 10 mobilitygateway cluster consisting of three controllers at a single site The WLAN is configured to tunnel wireless device traffic to the AOS 10 mobilitycluster.The clients areauthorized to use WPA2-Personal.An end-userhas opened a ticket with the helpdesk stating they cannot connect their client device to the network.There are other devices currently associated with the SSID with no issues.
Reviewing the output, what Is the issue?
- A. transition mode is not enabled
- B. The RADIUS response from the authentication server is
- C. The client device has an invalid certificate
- D. The client device has an invalid pre-shared key.
Answer: D
Explanation:
The issue indicated by the output is an invalid pre-shared key (PSK). The logs show multiple failures during the WPA2 key exchange process, which points to a mismatch between the PSK configured on the client device and the PSK expected by the AOS 10 mobility gateway.
NEW QUESTION # 43
An OSPF router has learned a pain 10 an external network by Doth an E1 and an E2 advertisement Both routes have the same path cost Which path will the router prefer?
- A. The router will prefer the E2 path.
- B. Both routes will be suppressed until the path conflict has been resolved.
- C. The router will prefer the E1 path.
- D. The router will use Doth paths equally utilizing ECMP.
Answer: C
Explanation:
In OSPF, when a router learns about an external network through both E1 and E2 advertisements, and if both have the same path cost, the router will prefer the E1 path. This is because E1 routes consider both the external cost to reach the external network and the internal cost to reach the ASBR, providing a more comprehensive metric. E2 routes only consider the external cost and ignore the internal cost to the ASBR, which could potentially lead to suboptimal routing. Therefore, the router will choose the E1 path due to its more accurate representation of the total path cost.
NEW QUESTION # 44
An administrator is creating a fabric withNetConductor in HPE Aruba Networking Central Considering an EVPN VXLAN fabric, click on the most appropriate layer to be configured as a Rome-Reflector Persona.
Answer:
Explanation:
Explanation:
In the context of an EVPN VXLAN fabric, the Route-Reflector Persona is most appropriately configured at theServices Aggregationlayer. This layer is responsible for interconnecting different network services and typically includes more robust, higher-capacity devices capable of handling the route-reflection functions for EVPN VXLAN.
In an Aruba Networks fabric, route reflectors are used to optimize the distribution of BGP routes. The Services Aggregation layer, which is centrally located in the network topology, is best suited for this role due to its high availability and ability to efficiently manage routes between the core and access layers.
Therefore, if you were to click on the image provided, you would select the Services Aggregation layer to configure the Route-Reflector Persona.
NEW QUESTION # 45
A campus topology uses VSXwith a collapsed core topology.The customer added redundant SFP+ transceivers and reconfigured their mobility gateways from a single link to an aggregate Link.You are asked to verify the CLI output for the link aggregation configuration for one of the mobility gateway cluster members below.
What is a valid configuration?
- A.
- B.
- C.
- D.
Answer: C
Explanation:
The configuration shown in Option A is a valid configuration for a multi-chassis link aggregation (MC-LAG) setup. It specifies the use of LACP (Link Aggregation Control Protocol) with a fast rate of LACP PDUs exchange, which is appropriate for creating a resilient and high-throughput link aggregation. The 'vlan trunk allowed all' command allows all VLANs across the trunk, and 'vlan trunk native 100' sets VLAN 100 as the native VLAN for untagged traffic.
NEW QUESTION # 46
A customer's infrastructure is set up to use both primary and secondary gateway clusters on the SSID profile based on best practices What is a valid cause tor having an equal spirt in APs connected to the primary and secondary gateway clusters?
- A. The primary gateway cluster is up. out some APs are unable to reach the primary gateway cluster. These APs would connect to the secondary gateway cluster
- B. The secondary gateway cluster is heterogeneous
- C. The secondary gateway cluster is homogeneous
- D. The primary gateway cluster is up. out some APs cannot reach the secondary gateway cluster. These APs would connect to the secondary gateway cluster
Answer: A
Explanation:
In a high availability setup where both primary and secondary gateway clusters are present, APs are typically designed to connect to the primary cluster. If the APs are equally split between the primary and secondary, this may indicate that some APs cannot reach the primary cluster due to connectivity issues or reachability constraints, thus falling back to the secondary cluster.
NEW QUESTION # 47
You configured a WPA3-SAE with the following MAC Authentication Role Mapping inCloud Authentication and Policy:
With further default settings assume a new Android phone is connected to the network. Which role will the client be assigned after connecting forthe first time?
- A. byod
- B. client will be rejected network access
- C. unmatched-device
- D. lot-local
Answer: C
Explanation:
The configuration shown in the third exhibit details a client role mapping that associates different client profile tags with specific client roles. When a new device, such as an Android phone, connects to the network, it will be profiled and assigned a role based on the mappings defined. If the device does not match any predefined profiles, it would be assigned the "unmatched-device" role. This is under the assumption that default settings are in place and the client does not match the criteria for any of the specific roles like "byod", "iot-internet", or
"iot-local". Therefore, an Android phone connecting for the first time and not matching any specific profile tag would be assigned to the "unmatched-device" role.
NEW QUESTION # 48
A customer is evaluating device profiles on a CX 6300 switch. The test device has the following attributes:
* MAC address = 81:cd:93:13:ab:31
* LLDP sys-desc = iotcontroller
The test device is being assigned to the ''lot-dev'' role However, the customer requires the "lot-prod'' role be applied.
Given the configuration, what is causing the "iot-dev" role to be applied to the device'?
- A. The test device does not support CDP.
- B. An external RADIUS server is unreachable.
- C. The LLDP system description matches the IIdp-group configuration.
- D. The device-profile precedence order is not configured.
Answer: C
Explanation:
In device profile configuration, the device role is often determined by matching attributes such as MAC address, LLDP system description, and CDP information against defined conditions. The test device is being assigned the "iot-dev" role because its LLDP system description matches the 'iot-lldp' group configuration that is associated with the 'iot-dev' role.
NEW QUESTION # 49
Which command would allow you to verity receipt of a CoA message on an AOS 10 GW?
- A. packet-capture datapath udp 3799
- B. packet-capture controipath udp 3799
- C. packet-capture interprocess udp 3799
- D. tcpdump host-port 3799
Answer: B
Explanation:
The Change of Authorization (CoA) messages are used in network access control scenarios and are typically received by the network access server, in this case, an Aruba AOS 10 Gateway. The correct command to verify the receipt of a CoA message is related to the control path traffic because CoA is a control plane function.
Option B,packet-capture controlpath udp 3799, is the correct answer because it specifies capturing control plane traffic on UDP port 3799, which is the standard port for CoA messages.
Options A, C, and D are incorrect because:
Option A captures data plane traffic, not control plane traffic.
Option C'spacket-capture interprocess udp 3799does not refer to a standard command for capturing CoA messages.
Option D,tcpdump host-port 3799, does not specify the correct syntax for capturing traffic on Aruba devices.
NEW QUESTION # 50
A customer is planning to add loT devices that connect wirelessly to the existing 802.1X SSlD. The customer will use ClearPass to authenticate the IoT devices by MAC address but other devices will still need to authenticate by only 802 1X Exhibit.
The customer provided the current configuration and reported their non-loT 802. IX devices are no longer able to connect. Which configuration change can be made to fix the issue?
- A. Modify opmode wpa3-aes-gcm-256 to opmode wpa2-aes
- B. Modify max-authentication failures to 0.
- C. Remove mac-authentication from the WLAN configuration
- D. Add i2-autn-fairtnrougn to the WLAN configuration
Answer: C
Explanation:
The existing configuration for the WLAN ssid-profile has enabled MAC authentication which, while suitable for IoT devices that may not support 802.1X, can interfere with the normal 802.1X authentication process for other devices. By removing themac-authenticationdirective from the WLAN configuration, the non-IoT
802.1X devices should be able to connect without issues as the authentication process will not be disrupted by MAC authentication checks. This adjustment ensures that the WLAN ssid-profile is correctly aligned with the authentication requirements for both IoT and non-IoT devices within the network environment, conforming to the best practices for mixed-device WLAN configurations.
NEW QUESTION # 51
A customer is running out of IP addresses in a network segment. What will happen If they add an additional IPsubnet to the same VLAN?
- A. Broadcasts for me two subnets win arrive on all ports in the same VLAN
- B. Users can reach each other and establish PTP traffic without passing an L3 point in the same VLAN
- C. This would result in a single SVI using two subinterfaces.
- D. IGMP will not work in both of the subnets in the same VLAN
Answer: B
Explanation:
Adding an additional IP subnet to the same VLAN means that devices configured with either subnet can communicate at Layer 2 without the need for routing. This is because they are on the same VLAN and thus in the same broadcast domain. However, to communicate between subnets, an L3 device or inter-VLAN routing would be required.
NEW QUESTION # 52
Exhibit.
You updated your gateway to me most recent firmware However after the firmware was updated, the gateway could no longer connect to HPE Aruba Networking Central. Your corporate ITIL procedures require you to implement your backout plan. You connected a console cable to your gateway and saw the following prompt.
Cpxload#
in what order, do you need to execute the following commands to return to the previous firmware version?
Answer:
Explanation:
Explanation:
The sequence to return to the previous firmware version after an unsuccessful update would typically be:
hit any key to stop autoboot(This would prevent the system from automatically booting into the current, problematic firmware.) def_part 1(This command sets the default boot partition, which is likely where the previous working firmware is located.) bootf(This command would boot from the specified flash partition, which after the second step, would be the previous firmware.) osinfo(After the system is booted, this command could be used to confirm the firmware version now running on the gateway.)
NEW QUESTION # 53
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