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Free HP HPE6-A78 Exam Questions (page: 6)

Page 6 of 35
PDF with 168 Questions

An ArubaOS-CX switch enforces 802.1X on a port. No fan-through options or port-access roles are configured on the port The 802 1X supplicant on a connected client has not yet completed authentication
Which type of traffic does the authenticator accept from the client?

  1. EAP only
  2. DHCP, DNS and RADIUS only
  3. RADIUS only
  4. DHCP, DNS, and EAP only

Answer(s): A

Explanation:

For an ArubaOS-CX switch enforcing 802.1X on a port without any fallback options or port-access roles configured, and where the supplicant on the connected client has not completed authentication, the only type of traffic the authenticator accepts from the client is EAP (Extensible Authentication Protocol). EAP is a universal authentication framework used in 802.1X for message exchange during the authentication process. The switch allows EAP packets because they are necessary for the client and the authentication server to perform the authentication process. This is standard behavior for 802.1X authenticators, which is to permit EAP traffic to pass through even before authentication is successful to facilitate the authentication exchange. This information is supported by the IEEE 802.1X standard and ArubaOS-CX security configuration guides.



Refer to the exhibit.



This Aruba Mobility Controller (MC) should authenticate managers who access the Web Ul to ClearPass Policy Manager (CPPM) ClearPass admins have asked you to use RADIUS and explained that the MC should accept managers' roles in Aruba-Admin-Role VSAs Which setting should you change to follow Aruba best security practices?

  1. Change the local user role to read-only
  2. Clear the MSCHAP check box
  3. Disable local authentication
  4. Change the default role to "guest-provisioning"

Answer(s): C

Explanation:

For following Aruba best security practices, the setting you should change is to disable local authentication.
When integrating with an external RADIUS server like ClearPass Policy Manager (CPPM) for authenticating administrative access to the Mobility Controller (MC), it is a best practice to rely on the external server rather than the local user database. This practice not only centralizes the management of user roles and access but also enhances security by leveraging CPPM's advanced authentication mechanisms.
:
Aruba Networks official best practice documentation, which recommends centralized authentication for administrative access.
Security standards and guidelines that promote the use of external RADIUS servers for authentication purposes.



From which solution can ClearPass Policy Manager (CPPM) receive detailed information about client device type OS and status?

  1. ClearPass Onboard
  2. ClearPass Access Tracker
  3. ClearPass OnGuard
  4. ClearPass Guest

Answer(s): C

Explanation:

ClearPass Policy Manager (CPPM) can receive detailed information about client device type, OS, and status from ClearPass OnGuard. ClearPass OnGuard is part of the ClearPass suite and provides posture assessment and endpoint health checks. It gathers detailed information on the status and security posture of devices trying to connect to the network, such as whether antivirus software is up to date, which operating system is running, and other details that characterize the device's compliance with the network's security policies.
:
Aruba ClearPass product documentation that details the capabilities of ClearPass OnGuard. Network security resources that describe endpoint health checks and the importance of device posture assessment for access control.



How does the ArubaOS firewall determine which rules to apply to a specific client's traffic?

  1. The firewall applies every rule that includes the dent's IP address as the source.
  2. The firewall applies the rules in policies associated with the client's wlan
  3. The firewall applies thee rules in policies associated with the client's user role.
  4. The firewall applies every rule that includes the client's IP address as the source or destination.

Answer(s): C

Explanation:

The ArubaOS firewall determines which rules to apply to a specific client's traffic based on the rules in policies associated with the client's user role. User roles are a fundamental part of ArubaOS and the firewall policies they encompass. These roles contain policies that dictate permissions and restrictions for network traffic.
When a client authenticates, it is assigned a role, and the firewall enforces the rules defined within that role for the client's traffic.
:

ArubaOS firewall and user role configuration guides that explain the role-based access control and firewall policy enforcement.
Industry best practices for network access control that advocate for role-based enforcement mechanisms.



What is one practice that can help you to maintain a digital chain or custody In your network?

  1. Enable packet capturing on Instant AP or Moodily Controller (MC) datepath on an ongoing basis
  2. Enable packet capturing on Instant AP or Mobility Controller (MC) control path on an ongoing basis.
  3. Ensure that all network infrastructure devices receive a valid clock using authenticated NTP
  4. Ensure that all network Infrastructure devices use RADIUS rather than TACACS+ to authenticate managers

Answer(s): C

Explanation:

To maintain a digital chain of custody in a network, a crucial practice is to ensure that all network infrastructure devices receive a valid clock using authenticated Network Time Protocol (NTP). Accurate and synchronized time stamps are essential for creating reliable and legally defensible logs. Authenticated NTP ensures that the time being set on devices is accurate and that the time source is verified, which is necessary for correlating logs from different devices and for forensic analysis.
:
Digital forensics and network security protocols that underscore the importance of accurate timekeeping for maintaining a digital chain of custody. NTP configuration guidelines for network devices, emphasizing the use of authentication to prevent tampering with clock settings.



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