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Free HPE7-A02 Exam Braindumps (page: 14)

Page 13 of 34
PDF with 130 Questions

A company has HPE Aruba Networking APs and AOS-CX switches, as well as HPE Aruba Networking ClearPass. The company wants CPPM to have HTTP User-
Agent strings to use in profiling devices.

What can you do to support these requirements?

  1. Add the CPPM server's IP address to the IP helper list in all client VLANs on routing switches.
  2. Schedule periodic subnet scans of all client subnets on CPPM.
  3. Configure mirror sessions on the APs and switches to copy client HTTP traffic to CPPM.
  4. On the APs and switches, configure a redirect to ClearPass Guest in the role for devices being profiled.

Answer(s): A

Explanation:

To support the requirement for HPE Aruba Networking ClearPass Policy Manager (CPPM) to have HTTP User-Agent strings for profiling devices, you should add the CPPM server's IP address to the IP helper list in all client VLANs on routing switches. This configuration ensures that DHCP requests and other relevant client traffic are forwarded to CPPM, allowing it to capture HTTP User-Agent strings and use them for device profiling.

1. IP Helper Configuration: Adding CPPM to the IP helper list ensures that the switch forwards DHCP and other client traffic to CPPM, enabling it to gather necessary information for profiling.
2. User-Agent Strings: By receiving client traffic, CPPM can analyze HTTP headers and capture User- Agent strings, which provide valuable information about the client's device and browser.
3. Profiling Support: This approach supports the comprehensive profiling of devices, allowing CPPM to apply appropriate policies based on detailed device information.


Reference:

Aruba ClearPass and AOS-CX switch configuration guides detail the process of setting up IP helper addresses and the benefits of forwarding client traffic to CPPM for enhanced profiling and policy enforcement.



Which statement describes Zero Trust Security?

  1. Companies should focus on protecting their resources rather than on protecting the boundaries of their internal network.
  2. Companies must apply the same access controls to all users, regardless of identity.
  3. Companies that support remote workers cannot achieve zero trust security and must determine if the benefits outweigh the cost.
  4. Companies can achieve zero trust security by strengthening their perimeter security to detect a wider range of threats.

Answer(s): A

Explanation:

Zero Trust Security is a security model that operates on the principle that no entity, whether inside or outside the network, should be trusted by default. Instead, every access request is thoroughly verified before granting access to resources. This model emphasizes protecting resources rather than merely securing the network perimeter, acknowledging that threats can originate both inside and outside the network.

1. Resource Protection: Zero Trust focuses on securing individual resources, assuming that threats can bypass traditional perimeter defenses.
2. Verification: Every access request is authenticated and authorized regardless of the source, ensuring that only legitimate users can access sensitive resources.
3. Modern Security Approach: This model aligns with the evolving threat landscape where insider threats and advanced persistent threats are common.


Reference:

Security frameworks and guidelines, such as those from NIST and other cybersecurity authorities, describe Zero Trust Security principles and emphasize resource-centric protection over perimeter-centric security.



What is a use case for running periodic subnet scans on devices from HPE Aruba Networking ClearPass Policy Manager (CPPM)?

  1. Using DHCP fingerprints to determine a client's device category and OS
  2. Detecting devices that fail to comply with rules defined in CPPM posture policies
  3. Identifying issues with authenticating and authorizing clients
  4. Using WMI to collect additional information about Windows domain clients

Answer(s): A

Explanation:

Running periodic subnet scans on devices from HPE Aruba Networking ClearPass Policy Manager (CPPM) can be used to gather DHCP fingerprints, which help determine a client's device category and operating system. DHCP fingerprints are unique patterns in DHCP request packets that provide valuable information about the device type and OS, assisting in device profiling and policy enforcement.

1. DHCP Fingerprinting: This technique captures specific details from DHCP packets to identify the type and operating system of a device.
2. Device Profiling: By running subnet scans, CPPM can continuously update its device database with accurate profiles, ensuring that policies are applied correctly based on the device type.
3. Network Visibility: Regular scanning helps maintain up-to-date visibility of all devices on the network, improving security and management.


Reference:

ClearPass documentation on device profiling and network visibility outlines the use of DHCP fingerprints for identifying and categorizing devices, emphasizing the importance of periodic subnet scans for maintaining accurate profiles.



A company has an HPE Aruba Networking ClearPass cluster with several servers. ClearPass Policy Manager (CPPM) is set up to:

. Update client attributes based on Syslog messages from third-party appliances . Have the clients reauthenticate and apply new profiles to the clients based on the updates

To ensure that the correct profiles apply, what is one step you should take?

  1. Configure a CoA action for all tag updates in the ClearPass Device Insight integration settings.
  2. Tune the CoA delay on the ClearPass servers to a value of 5 seconds or greater.
  3. Set the cluster's Endpoint Context Servers polling interval to a value of 5 seconds or less.
  4. Configure the cluster to periodically clean up (delete) unknown endpoints.

Answer(s): B

Explanation:

To ensure that the correct profiles apply after client attributes are updated based on Syslog messages, you should tune the Change of Authorization (CoA) delay on the ClearPass servers to a value of 5 seconds or greater. This delay allows sufficient time for the attribute updates to be processed and for the reauthentication to occur correctly, ensuring that the updated profiles are accurately applied to the clients.

1. CoA Delay: Adjusting the CoA delay ensures that the system has enough time to update client attributes and reauthenticate them properly before applying new profiles.
2. Profile Accuracy: This delay helps in preventing premature reauthentication and ensures that the most recent attribute updates are considered when applying profiles.
3. System Synchronization: Ensures synchronization between the attribute update and the reauthentication process.


Reference:

ClearPass documentation on CoA settings and best practices provides guidelines on tuning CoA delays to ensure accurate and timely application of updated profiles.






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