[Jun 13, 2024] HPE7-A07 PDF Questions and Testing Engine With 70 Questions
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NEW QUESTION # 22
A customer would like to allow their IT Helpdesk to configure loT devices to connect lo a single SSID using a unique PSK that other devices cannot use. Which solution would you recommend?
- A. MPSK AES with Cloud Auth
- B. MPSK AES with MAC Auth
- C. MPSK Local
- D. MPSK AES with ClearPass
Answer: D
Explanation:
Multi-Pre-Shared Key (MPSK) with ClearPass is the recommended solution for a scenario where the IT Helpdesk needs to configure IoT devices to connect to a single SSID using unique PSKs. MPSK allows for the use of different PSKs on the same SSID, and ClearPass enables the management of these unique keys efficiently.
NEW QUESTION # 23
in a WLAN network with a tunneled SSID. you see the following events in HPE Aruba Networking Central:
The customer asks you to investigate log messages What should you tell them?
- A. This indicates a client WLAN driver issue for the client with a MAC address ending with 37:18
:Od. You should upgrade the client WLAN driver. - B. This indicates a security issue. The client with a MAC address ending with 37 18;0d Is performing a Denial-of-Service attack on your network. You should track down the client and remove it from the network.
- C. This is normal, expected behavior. No further actions are needed.
- D. There is a roaming issue Enable Fast Roaming 802.11r and OKC to resolve the issue.
Answer: C
Explanation:
The event log showing PMK (Pairwise Master Key) and OKC (Opportunistic Key Caching) key add/update and delete operations is indicative of normal client behavior in a WLAN environment. These events are part of the standard process for maintaining client session security and do not necessarily indicate any issue.
NEW QUESTION # 24
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. Unknown TLVs cannot be displayed.
- B. MTU size is too small.
- C. LLDP TX is not enabled.
- D. LLPD-MED needs to be enabled.
Answer: A
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 # 25
Which statements accurately describe OSPF Graceful Restart (when the restarting router is able to Keep its forwarding tables across the restart)? (Select two.)
- A. OSPF Routers listen for Grace-LSAs on each network segment where there is an OSFP adjacency.
- B. VSF Failover and Graceful-Restart require a VSF secondary member in the VSF stack
- C. Bidirectional Forwarding Detection for OSPF and GR are mutually exclusive features.
- D. The GR helper role is supported on AOX-CX 6100 switches.
- E. You must ensure your VSF stack has a secondary member when acting as a GR helper
Answer: A,D
Explanation:
Graceful Restart (GR) allows a router to continue forwarding packets while it restarts its OSPF process. The GR helper role on AOS-CX switches supports routers during this process. OSPFrouters listen for Grace-LSAs to identify neighbors undergoing a graceful restart, maintaining adjacencies with those routers to allow uninterrupted forwarding.
NEW QUESTION # 26
Which data transmission method provides the most efficient use of airtime for VoIP traffic?
- A. OFDM
- B. TWT
- C. FDMA
- D. MU-MIMO
Answer: D
Explanation:
MU-MIMO (Multi-User, Multiple Input, Multiple Output) provides the most efficient use of airtime for VoIP traffic among the options listed. MU-MIMO allows multiple users to receive multiple data streams simultaneously, improving the overall efficiency of the network, especially in dense environments where VoIP applications need consistent and reliable connectivity.
NEW QUESTION # 27
You configured a tunneled SSID with captive portal and a ClearPass Guest Self Registration workflow when testing and launching the self-registration workflow, after successful registration, the login action shows the following error:
What is the best solution to resolve this error?
- A. You need to De connected to the guest SSiD while testing.
- B. You need to include the root and intermediate certificates in the captive portal certificate for your gateway
- C. You need to change the Login Address in ClearPass to securelogin arubanetworKs.com
- D. You need to include the root and intermediate certificates in the captive portal certificate for your access points
Answer: B
Explanation:
Including the root and intermediate certificates in the captive portal certificate for the gateway will resolve the error seen during the login action after successful registration. This is necessary to ensure the SSL/TLS handshake can be completed successfully, as the client browser needs to validate the entire certificate chain.
NEW QUESTION # 28
You are testing the use of the automated port-access role configuration process using RadSec authentication over VXLAN. During your testing you observed that the RadSec connection will fan during the digital certificate exchange What would be the cause of this Issue?
- A. Tracking mode was set to "dead-only", and the RadSec server was marked as unreachable.
- B. The RADIUS TCP packets are Being dropped and the TLS tunnel is not established.
- C. The RadSec server was defined on the switch using an IPv6 address that was unreachable
- D. The switch is configured to establish a TLS connection with a proxy server, not the radius server.
Answer: B
Explanation:
During the testing of RadSec authentication over VXLAN, if the RadSec connection fails during the digital certificate exchange, it typically indicates an issue with the establishment of the TLS tunnel, which is required for RadSec's secure communication. The failure of TLS tunnel establishment can occur due to RADIUS TCP packets being dropped, preventing the secure exchange of digital certificates necessary for RadSec authentication. The other options, such as IPv6 address reachability, tracking mode settings, and proxy server misconfiguration, are not directly related to the failure of the TLS tunnel establishment during the certificate exchange process
NEW QUESTION # 29
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 WPA2-PSK key management.
- B. The client does not have an ARP entry for me default gateway.
- C. The network is using WPA3-SAE key management.
- D. The client is not receiving an IP address.
- E. The client does not support beamforming.
Answer: A,D
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 # 30
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. The router will use Doth paths equally utilizing ECMP.
- C. Both routes will be suppressed until the path conflict has been resolved.
- D. The router will prefer the E1 path.
Answer: D
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 # 31
A customer is deploying a new warehouse with AP-634 APs inthe unitedStates with mobile devices that can operate in the 6GHz spectrum All testing and RF analyses were performed during the POC using AP-635 APs In a different location During the deployment, they noticed fewer 6GHz channels were broadcasting in the air.
Why would the AP-634 deployment have a lesser amount of broadcasting channels?
- A. The AP-634 APs cannot broadcast an 6Gnz channels due to regulatory restrictions.
- B. The AP-635 APs received different allowable 6GHz channels from the AFC service versus the AP-634 APs due to the POC running in a different location.
- C. The AP-634 AP's persona was configured in the Central group as Standard Power.
- D. The AP-634 APs do not have an advanced subscription.
Answer: B
Explanation:
In the United States, the operation in the 6GHz band for Wi-Fi devices such as the AP-634 and AP-635 is regulated by the Automated Frequency Coordination (AFC) system, which determines the channels that can be used based on the location. Since the Proof of Concept (POC) was conducted in a different location using AP-635 APs, the allowable channels identified by the AFC service for that location would be different than the channels allowed for the actual deployment location of the AP-634 APs. This would result in a different set of broadcasting channels being available for use in the new warehouse deployment.
NEW QUESTION # 32
A client connecting to a tunneled open network is receiving the wrong VLAN Your customer has a gateway and has sent over a packet capture from a switch port mirror taken from the upstream switch with a packet capture from the IPsec tunnel and the GRE tunnel to help Identify the VLAN being sent from the controller to the AP.
Where will you see the VLAN assignment?
- A. IPsec tunnel will include the VLAN tag assignment
- B. VLAN tag assignment win not he captured in any of the packet captures
- C. The GRE tunnel will include the VLAN lag assignment
- D. VLAN tag assignment win be included in the port mirror
Answer: D
Explanation:
In a packet capture from an upstream switch port mirror, you would see the VLAN assignment. The port mirror captures the traffic as it is on the network, including any VLAN tags. GRE or IPsec tunnels encapsulate the original packet, including VLAN tags, but the VLAN information is not visible within the encapsulation headers.
NEW QUESTION # 33
Exhibit.
Which user role will be assigned when a voice client tries to connect for the first time, but the RADIUS server is unavailable?
- A. DEFAULT_AUTH
- B. PRE_AUTH
- C. CRITICAl_AUTH
- D. CRIT1CAL_V0ICE
Answer: D
Explanation:
In the provided configuration for interface 1/1/7, there are roles specified for different scenarios concerning authentication. When a voice client attempts to connect and the RADIUS server is unreachable, the role that is assigned is the one specified as the "critical-voice-role". In this case, the "CRITICAL_VOICE" role is configured to be assigned under such circumstances, ensuring that voice clients receive appropriate network access permissions even when the RADIUS server is not available to authenticate them.
NEW QUESTION # 34
Your customer asked for help to apply an ACL for wireless guest users with the following criteria:
* Wi-Fi guests are on VLAN 555
* allow internet access
* only allow access to public DNS servers
* deny access to all internal networks except for any DHCP server
These session ACLs are already present in the CLI of the mobility gateway group:
You have access to the CLl. Which user role meets all the criteria?
- A.
- B.
- C.
- D.
Answer: C
Explanation:
Based on the criteria provided for wireless guest users, the correct user role configuration must allow internet access, only allow access to public DNS servers, deny access to all internal networks except for any DHCP server, and place the Wi-Fi guests on VLAN 555. The ACLs must permit services necessary for basic internet access (such as DNS and DHCP) and block access to internal networks.
Option A satisfies these criteria with the following configurations:
user-role "WiFi-guest": This defines the role for Wi-Fi guests.
access-list session dhcp-acl: This applies the access list that likely permits DHCP, which is necessary for guests to obtain an IP address.
access-list session dns-acl: This applies the DNS access list, which likely restricts guests to using public DNS servers.
access-list session internal-networks: This applies the internal networks access list, which denies access to internal networks.
vlan 555: This sets the VLAN for Wi-Fi guests to 555.
Options B, C, and D are incorrect because they includeaccess-list session allowallwhich would permit all traffic, contradicting the requirement to deny access to all internal networks.
NEW QUESTION # 35
Exhibit.
What is me expected behavior for ARP traffic sent from H1?
- A. A2 will drop the ARP traffic.
- B. A2 willflood the ARP traffic out of all interfaces.
- C. A2 will send the ARP traffic out of ports 1/1/1-1/1/4.
- D. A2 willsend the ARP traffic out of ports 1/1/1 and 1/1/3.
Answer: B
Explanation:
In a VXLAN environment, unknown unicast traffic, such as ARP requests from H1, which does not have a specific destination MAC address learned by the switch A2, will be flooded out of all interfaces. This flooding behavior is necessary because A2 needs to ensure that the ARP requestreaches its intended destination, which might be on any of the interfaces. It's a part of the standard behavior of switches to handle ARP traffic when the destination hardware address is unknown.
NEW QUESTION # 36
You deployed UBT tosecurely tunnel traffic from user desktop PCs connected behind VOIP phones Ail other non-UBT dents are connected to a different network. After the deployment users reported interruptions lo their phone service
- A. Broadcast/multicast packets are copied to both the tunnel and locally, causing duplicate packets and network instability
- B. The UBT client broadcast/multicast packets returned to the same switch port and corrupted the phones IMC table
- C. You tailed to correctly configure a user-defined VRF to support the UBT clients behind the VoIP phones, causing traffic to drop.
- D. The VLAN on which UBT clients are placed is not configured on the switch uplink and traffic from the VoIP phones is being dropped
Answer: D
Explanation:
If users report interruptions to their phone service after the deployment of User-Based Tunneling (UBT), it can be due to the VLAN designated for UBT clients not being configured on the switch uplink. As a result, traffic from VoIP phones, which may be trying to use the same VLAN, could be dropped, leading to service interruptions. Ensuring that the VLAN is properly configured on the switch uplink is crucial for the seamless operation of UBT clients and VoIP services.
NEW QUESTION # 37
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: B
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 # 38
A network administrator wants to configure an 802 1X supplicant for a wireless network that includes the following:
1. AES encryption
2. EAP-MSCHAPv2-based user and machine authentication
3. validation of server certificate in Microsoft Windows 10
The network administrator creates a WLAN profile and selects the change connection settings option Then the network administrator changes the security type to Microsoft Protected EAP (PEAP) and enables user and machine authentication under Additional Settings.
What must the network administrator do next to accomplish the task?
- A. Change the security type to Microsoft: Smart Card or other certificate.
- B. Enable user authentication
- C. Enable server certificate validation
- D. Change default RC4 encryption for AES
Answer: C
Explanation:
When configuring an 802.1X supplicant for wireless network access with Microsoft Windows 10, enabling server certificate validation is a critical step to ensure the security of the authentication process. Server certificate validation helps prevent man-in-the-middle attacks by ensuring the RADIUS server presenting the certificate is the correct server that the client expects to communicate with.
NEW QUESTION # 39
You are troubleshooting a WLAN deployment with APs and gateways set up with an 802.1X tunneled SSIO.
End-users are complaining that they can't connect to die enterprise SSID. Which possible AP tunnel states could be the cause of the Issue? (Select two.)
- A. SM_STATE_RE KEYING
- B. SM_STATE_CONNECTED
- C. SM_STATE_CONNECTING
- D. SM_STATE_SURVIVING
- E. SM_STATE_SURVIVED
Answer: A,C
Explanation:
When troubleshooting a WLAN with 802.1X tunneled SSID issues, AP tunnel states indicate the status of the connection between the AP and the gateway/controller. The states 'SM_STATE_REKEYING' and
'SM_STATE_CONNECTING' could indicate transitional states where the connection has not been fully established, hence users might face issues connecting to the SSID. 'SM_STATE_REKEYING' implies that the AP is in the process of re-establishing encryption keys, while 'SM_STATE_CONNECTING' indicates that the AP is trying to establish a connection with the controller or gateway. These states could lead to temporary connectivity issues until the state transitions to 'SM_STATE_CONNECTED'.
NEW QUESTION # 40
A customer has recently deployed a wireless system using AP-535S to provide connectivity for their employees who are responsible tor uploading large video files for review. The customer wants to use features that provide throughput gains for large data uploads.
Which feature can be enabled to meet the requirement and simultaneously allow spatially separated clients access to the channel?
- A. UL MU-MIMO
- B. DL MU-MIMO
- C. Ul-TXBF
- D. OFOMA
Answer: A
Explanation:
UL MU-MIMO, or Uplink Multi-User Multiple Input Multiple Output, is a technology that allows multiple clients to transmit data to the access point simultaneously, increasing overall throughput and efficiency, especially for upload-heavy scenarios like video file uploads. This technology enables spatially separated clients to access the channel at the same time, which can improve performance for clients when uploading large files.
NEW QUESTION # 41
Exhibit.
Which statement is true?
- A. The SSID supports 802.11nac clients.
- B. The SSID supports implicit beamforming.
- C. The SSID supports sending neighbor reports.
- D. The SSID supports RC4 encryption.
Answer: A
Explanation:
The SSID supports 802.11ac clients, which is indicated by the "High Throughput" and "Very High Throughput" options being enabled. These are terms associated with the 802.11ac wireless standard, indicating that the SSID can serve clients that support this technology.
NEW QUESTION # 42
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