必ず合格できるHP HPE7-A07試験の正確な70問題と解答あります
最新 [2024年03月09日]2024年最新の実際にある検証済みのHPE7-A07問題集
質問 # 26
Exhibit.
Which wireless connection phase has Just been completed?
- A. 802.11 enhanced open association
- B. MAC Authentication and 4-way handshake
- C. L2 authentication and encryption
- D. L3 authentication and encryption
正解：C
解説：
The wireless connection phase that has just been completed is L2 authentication and encryption. This phase includes processes such as the Extensible Authentication Protocol (EAP) exchange, RADIUS requests and responses, and the 4-way handshake which is characteristic of WPA2-AES encryption.
質問 # 27
After onboarding three new AOS 10 gateways using the full-setup methodinto the same Central group, a customer cannot log in to one of the gateways using the HPE Aruba Networking Central remote console due to an incorrect password.
- A. The admin password created at the Central group level has expired
- B. The admin password created using full-setup does not match the global Central admin password.
- C. The admin password created during the full-setup process does not match the Central group admin password
- D. The admin password created during the run-setup process is not configured to allow me remote console access
正解：C
解説：
When onboarding devices into a centralized management system, each device can have its individual admin password set during the onboarding process. If this password doesn't match what is expected at the group level in the central management platform, login issues such as the one described can occur.
質問 # 28
What directly affects the MCS used by wireless stations? (Select two.)
- A. channel utilization
- B. retry rate
- C. frequency band
- D. number of connected clients
- E. SNR
正解：C、E
解説：
The Modulation and Coding Scheme (MCS) used by wireless stations is directly affected by the signal-to-noise ratio (SNR) and the frequency band. Higher SNR can lead to higher MCS values, which means better data rates. The frequency band can affect MCS due to different channel characteristics, such as the presence of interference and propagation properties, which are factors in determining data rates.
質問 # 29
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.
正解：D
解説：
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.
質問 # 30
Your customer added third-party USB dongles to the USB ports of their AOS 10 access points. The customer uses AP-615 and AP-635 Each AP is connected with a Cat 6A cable to a CX 6300F Class 4 PoE switch All APs are in the same group in HPE Aruba Networking Central and share the same configuration However, many of the dongles do not come up.
Which option will solve this issue?
- A. Perform a "poe disable" followed by a "poe enable" for the switch ports which connect to the APs so that the APs reboot.
- B. Create two separate service profiles in the loT tab of the Central configuration settings.
- C. Replace the Class a PoE switches with Class 6 PoE switches.
- D. Move the AP-635 access points to a different group in Central to configure the dongles separately from the AP-615.
正解：C
解説：
USB dongles often require additional power, which may exceed the power delivery capabilities of Class 4 PoE switches. Aruba AP-615 and AP-635 are designed to work with USB dongles that require additional power for proper operation. Since the Cat 6A cable can support higher power levels, replacing the Class 4 PoE switches with Class 6 PoE switches, which can deliver higher power, should resolve the issue with the dongles not powering up.
質問 # 31
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. All upper-layer protocol traffic egressing LAG1 will be subject to drop probability.
- B. VoIP packets egressing any queue on LAG1 will more likely be protected from uplink over-utilization
- C. Yellow-flagged TCP traffic egressing LAG1 will be subject to drop probability
- D. All TCP traffic egressing LAG1 wail be subject to drop probability
- E. Only VoIP packets egressing queue 5 on LAG1 will likely be protected from uplink over-utilization.
正解：A、C
解説：
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.
質問 # 32
An ACME company employee complained about a recent poor-quality VoIP call while moving aroundtheir office environment HPE Aruba Networking Central reported a fair UCC score for this callwhile your VoIP engineer reported that their systems reported a MOS of 2,3. The VoIP devices are operatingover the 5GHz frequency band.
What are the possible contributing factors? (Select two.)
- A. There was localized interference at the caller's location
- B. 802.tr is enabled in the WLAN Security settings.
- C. 802.1K is disabled in the WLAN Security settings
- D. The client roamed into an area that continuously operates Zigbee.
- E. Coverage AP deployment plans generally don't support enough cell overlap for VoIP.
正解：D、E
解説：
VoIP quality can be negatively impacted by insufficient cell overlap in AP deployment plans, which can cause poor handoffs between APs as a user moves around. This results in a degraded VoIP experience. Additionally, roaming into an area with continuous Zigbee operation can cause interference with the 5GHz frequency band, further contributing to poor VoIP call quality. The Zigbee communication protocol operates on the same frequency band as Wi-Fi and can introduce noise and interference, which leads to a reduced MOS score, as reported by the VoIP engineer.
質問 # 33
Exhibit.
Which would explain this issue?
- A. captiveportal-login aruba-training com needs to be entered m the Address field for the ClearPass Guest
- B. HTTPS wildcard certificates are not supported
- C. ".aruba-training com needs to be entered in the Address field for the ClearPass Guest
- D. HTTPS certificate is not required in ClearPass Guest.
正解：C
解説：
The correct address for the ClearPass Guest should match the FQDN of the HTTPS certificate installed on the device, which is often the FQDN of the vendor's product. This ensures secureand proper redirection to the captive portal during the authentication process. The FQDN should be entered in the Address field for ClearPass Guest configuration.
質問 # 34
What is me recommended configuration to ensure link aggregation is consistent in a campus topology using VSX with two aggregation switches and downlinks to access switches?
- A. Use the command "vsx-sync active-gateways" under the VSX context.
- B. Use the command "vsx-sync mclag-interfaces" under the VSX context.
- C. Keep the MTU values at the default setting for GRE and VXLAN communications
- D. Use a custom LACP hash algorithm for improved load Balancing.
正解：B
解説：
When configuring Virtual Switching Extension (VSX) in a campus topology for link aggregation across two aggregation switches, it is important to synchronize Multi-Chassis Link Aggregation Group (MC-LAG) interfaces. The command "vsx-sync mclag-interfaces" ensures that the state and configuration of MC-LAG interfaces are synchronized between the two VSX-linked switches,providing consistent link aggregation and preventing any loops or mismatched configurations that might occur if the interfaces were not in sync.
質問 # 35
Which option shows the correct Banawidth Control for 1024 kbpsdown and 2048 Kops up for the SSID?
- A.
- B.
- C.
- D.
正解：A
解説：
The correct Bandwidth Control settings for 1024 Kbps down and 2048 Kbps up for the SSID are shown in Option D. In Option D, the downstream is set at 1024 Kbps and the upstream at 2048 Kbps, both configured per user, which matches the requested configuration. This setup ensures that each user has a guaranteed bandwidth allocation of the specified rates when connected to the SSID, providing a controlled and predictable user experience.
質問 # 36
A university owns a campus with several buildings segmented into east and west wings, which are L3 separated. The east wing has 1600 APs. and the west wing has 1200 Aps. Each wing has a single gateway cluster managed by HPE Aruba Networking Central. Each cluster contains one 7210 mobility gateway The gateways are configured with DHCP relay and route all client VLANs. A new business-critical facultyreal-time application requires users to roam within wings but not across wings without disconnections or delay increments.
Which changes must the network administrator make lo successfully meet the requirement without performance degradation matching best practices? (Select two.)
- A. Replace me 7210 mobility gateway in the east wing with a pair or 9012 mobility gateways
- B. Replace the 7210 mobility gateway in the west wing with a pair of 7030 mobility gateways.
- C. Add a single 7210 mobility gateway to each cluster.
- D. Remove the DHCP relay from the gateways and enable the DHCP server instead
- E. Run L2 for all SSIDs and permit the users' VLANs in the gateway's uplinks.
正解：C、E
解説：
To support a business-critical faculty real-time application that requires seamless roaming within wings without cross-wing roaming, it's essential to ensure high availability and sufficient capacity. Adding an additional 7210 mobility gateway to each cluster would provide the required redundancy and capacity.
Running L2 for all SSIDs and permitting user VLANs on gateway uplinks would facilitate the necessary traffic flow without L3 segmentation issues, thus supporting seamless roaming within each wing.
質問 # 37
A customer has interfering devices that are seen over the air. They contact you and ask you to configure RAPIDS to help identify interfering and rogue APs. HPE Aruba Networking Central identifies a rogue AP and displays the connected switch port.
How can HPE Aruba Networking Central identify which switch port the AP is connected to?
- A. from the switch LLDP neighbors table
- B. from the AP MAC address table
- C. from the switch MAC address table
- D. device profiting on the switch
正解：C
解説：
HPE Aruba Networking Central can identify which switch port a rogue AP is connected to by using the switch's MAC address table. The MAC address table contains the associations between MAC addresses and the switch ports to which devices (including APs) are connected. When Aruba Central detects a rogue AP, it can look up the MAC address of the rogue AP in the switch's MAC address table to find the specific switch port it is connected to. This enables network administrators to quickly locate and address the rogue AP issue.
質問 # 38
Exhibit.
What is me expected behavior for ARP traffic sent from H1?
- A. A2 will send the ARP traffic out of ports 1/1/1-1/1/4.
- B. A2 will drop the ARP traffic.
- C. A2 willflood the ARP traffic out of all interfaces.
- D. A2 willsend the ARP traffic out of ports 1/1/1 and 1/1/3.
正解：C
解説：
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.
質問 # 39
An AOS 10 multi-site deployment has sites with AP-only bridged SSlDs and other sites with APs and gateways operating tunneled SSiDs. Client session state sync errors exist between secure lab environments and public -facing areas at several sites.
What is causing the issues?
- A. The DTLS connections are down between APs in the lab and APs in public areas
- B. The sites with issues are the overlay AP with gateway sites because the connection to HPE Aruba Networking central is interrupted
- C. The sites with issues are the AP-only deployments because the connection to HPE Aruba Networking Central is interrupted
- D. The affected clients are associated with an SSID with 11r and 11k disabled.
正解：B
解説：
In a multi-site deployment with a mix of bridged and tunneled SSIDs, if there are session sync errors between different areas, it could be due to connectivity issues with the central management platform, which in the case of Aruba, is likely HPE Aruba Networking Central. This interruption could cause inconsistencies in session states across the network.
質問 # 40
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. VLAN tag assignment win be included in the port mirror
- B. The GRE tunnel will include the VLAN lag assignment
- C. VLAN tag assignment win not he captured in any of the packet captures
- D. IPsec tunnel will include the VLAN tag assignment
正解：A
解説：
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.
質問 # 41
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