HP HPE7-A07 Online Practice Questions and Exam Preparation

HP HPE7-A07 Online Questions & Answers

• Question 61:

  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-TXBF
  B. OFOMA
  C. DL MU-MIMO
  D. UL MU-MIMO
  D. UL MU-MIMO

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  Explanation/Reference:

  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.

• Question 62:

  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 secondary gateway cluster is heterogeneous
  B. The secondary gateway cluster is homogeneous
  C. 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
  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
  C. 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

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  Explanation/Reference:

  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.

• Question 63:

  A customer is evaluating device profiles on a CX 6300 switch. The test device has the following attributes:

  1.

  MAC address = 81:cd:93:13:ab:31

  2.

  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. The device-profile precedence order is not configured.
  C. An external RADIUS server is unreachable.
  D. The LLDP system description matches the IIdp-group configuration.
  D. The LLDP system description matches the IIdp-group configuration.

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  Explanation/Reference:

  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.

• Question 64:

  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. All TCP traffic egressing LAG1 wail be subject to drop probability
  C. Only VoIP packets egressing queue 5 on LAG1 will likely be protected from uplink over-utilization.
  D. VoIP packets egressing any queue on LAG1 will more likely be protected from uplink over-utilization
  E. Yellow-flagged TCP traffic egressing LAG1 will be subject to drop probability
  A. All upper-layer protocol traffic egressing LAG1 will be subject to drop probability.
  E. Yellow-flagged TCP traffic egressing LAG1 will be subject to drop probability

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  Explanation/Reference:

  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.

• Question 65:

  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 the 7210 mobility gateway in the west wing with a pair of 7030 mobility gateways.
  B. Add a single 7210 mobility gateway to each cluster.
  C. Remove the DHCP relay from the gateways and enable the DHCP server instead
  D. Replace me 7210 mobility gateway in the east wing with a pair or 9012 mobility gateways
  E. Run L2 for all SSIDs and permit the users' VLANs in the gateway's uplinks.
  B. Add a single 7210 mobility gateway to each cluster.
  E. Run L2 for all SSIDs and permit the users' VLANs in the gateway's uplinks.

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  Explanation/Reference:

  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.

• Question 66:

  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_SURVIVED
  C. SM_STATE_CONNECTED
  D. SM_STATE_SURVIVING
  E. SM_STATE_CONNECTING
  A. SM_STATE_RE KEYING
  E. SM_STATE_CONNECTING

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  Explanation/Reference:

  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'.

• Question 67:

  Your customer asked for help to apply an ACL for wireless guest users with the following criteria:

  1.

  Wi-Fi guests are on VLAN 555

  2.

  allow internet access

  3.

  only allow access to public DNS servers

  4.

  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. Option A
  B. Option B
  C. Option C
  D. Option D
  A. Option A

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  Explanation/Reference:

  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:

  1.

  user-role "WiFi-guest": This defines the role for Wi-Fi guests.

  2.

  access-list session dhcp-acl: This applies the access list that likely permits DHCP, which is necessary for guests to obtain an IP address.

  3.

  access-list session dns-acl: This applies the DNS access list, which likely restricts guests to using public DNS servers.

  4.

  access-list session internal-networks: This applies the internal networks access list, which denies access to internal networks.

  5.

  vlan 555: This sets the VLAN for Wi-Fi guests to 555.

  Options B, C, and D are incorrect because they include access-list session allowall which would permit all traffic, contradicting the requirement to deny access to all internal networks.

• Question 68:

  Exhibit.

  

  Which statement is true?

  A. The SSID supports HR-DSSS data rates
  B. The SSID is supports 6 GHz clients.
  C. The SSID supports 802 11ax clients.
  D. The SSID supports 802 11ac clients.
  C. The SSID supports 802 11ax clients.

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  Explanation/Reference:

  The exhibit shows that the SSID supports 802.11ax clients, which is indicated by the presence of HT (High Throughput) information, VHT (Very High Throughput) capabilities, and HE (High-Efficiency) operation, which are all features associated with 802.11ax, also known as Wi-Fi 6.

• Question 69:

  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 affected clients are associated with an SSID with 11r and 11k disabled.
  C. The sites with issues are the overlay AP with gateway sites because the connection to HPE Aruba Networking central is interrupted
  D. The sites with issues are the AP-only deployments because the connection to HPE Aruba Networking Central is interrupted
  C. The sites with issues are the overlay AP with gateway sites because the connection to HPE Aruba Networking central is interrupted

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  Explanation/Reference:

  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.

• Question 70:

  The ACME company has an AOS-CX 6200 switch stack with an uplink oversubscription ratio of 9.6:1. They are considering adding two more nodes to the stack without adding any additional uplinks due to cabling constraints One oftheir architects has expressed concerns that their critical UDP traffic from both wired and bridged AP clients will encounter packet drops.They have already applied the following configuration:

  

  Which strategy will complement this solution to achieve their objective?

  A. edge mark lower priority TCP traffic with AF12
  B. edge mark critical UDP Traffic with CSS
  C. edge mark lower priority TCP traffic with AF11
  D. edge mark critical UDP traffic with AF42
  D. edge mark critical UDP traffic with AF42

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  Explanation/Reference:

  Given that the ACME company's concern is about UDP traffic potentially encountering packet drops due to uplink oversubscription, they need a strategy that prioritizes critical UDP traffic to minimize loss.

  Option D, edge mark critical UDP traffic with AF42 , is the correct answer. Assured Forwarding (AF) classes provide a way to assign different levels of delivery assurance for IP packets. AF42 is typically used for traffic that requires low latency

  and low loss, such as voice and video, which often use UDP. Marking critical UDP traffic with AF42 will help ensure that this traffic is treated with higher priority over the network.

  Option A ( edge mark lower priority TCP traffic with AF12 ) and Option C ( edge mark lower priority TCP traffic with AF11 ) suggest marking lower priority TCP traffic, which does not directly address the concern for critical UDP traffic.

  Option B ( edge mark critical UDP Traffic with CS5 ) suggests using Class Selector 5 for critical UDP traffic, which is also a valid approach but does not match the existing configuration that is focused on Assured Forwarding (AF) classes.