HP HPE6-A78 Exam With Confidence Using Practice Dumps

The scenario involves an HPE Aruba Networking Mobility Controller (MC) that is physically secured in a locked closet, which provides protection against physical tampering. However, additional steps are needed to protect the MC from unauthorized access, particularly through administrative interfaces (e.g., SSH, web UI, console).

Option A, "Set the local admin password to a long random value that is unknown or locked up securely," is correct. HPE Aruba Networking recommends securing administrative access to the MC by setting a strong, random password for the local admin account (e.g., the default "admin" user). The password should be long (e.g., 16+ characters), random, and stored securely (e.g., in a password manager or safe). This ensures that even if an attacker gains physical access to the MC (e.g., by bypassing the locked closet) or attempts remote access, they cannot easily guess or brute-force the password.

Option B, "Disable local authentication of administrators entirely," is incorrect. Disabling local authentication entirely would prevent any fallback access to the MC if external authentication (e.g., RADIUS, TACACS+) fails. HPE Aruba Networking recommends maintaining a local admin account as a backup, but securing it with a strong password.

Option C, "Change the password recovery password," is incorrect. AOS-8 Mobility Controllers do not have a specific "password recovery password." Password recovery typically involves physical access to the device (e.g., via the console port) and a factory reset, which would be mitigated by the locked closet. This option is not a standard recommendation for securing the MC.

Option D, "Use local authentication rather than external authentication to authenticate admins," is incorrect. HPE Aruba Networking recommends using external authentication (e.g., RADIUS or TACACS+) for centralized management and stronger security (e.g., two-factor authentication). Local authentication should be a fallback, not the primary method, and it must be secured with a strong password.

The HPE Aruba Networking AOS-8 8.11 User Guide states:

"To protect the Mobility Controller from unauthorized access, even if it is physically secured in a locked closet, set the local admin password to a long, random value that is unknown or locked up securely. For example, use a password of at least 16 characters generated by a password manager, and store it in a secure location (e.g., a safe). This ensures that the local admin account, which is used as a fallback, is protected against unauthorized access attempts." (Page 385, Securing Administrative Access Section)

Additionally, the HPE Aruba Networking Security Best Practices Guide notes:

"A recommended step to secure the Mobility Controller is to set a strong, random password for the local admin account. The password should be long (e.g., 16+ characters), randomly generated, and stored securely to prevent unauthorized access, even if the device is physically protected in a locked closet." (Page 28, Administrative Security Section)

With ArubaOS-CX switches, the use of ClearPass Policy Manager (CPPM) as a TACACS+ server for authentication is supported. The privilege levels assigned by CPPM will translate onto the switches, where the "manager" privilege level typically maps to administrative capabilities and the "operator" privilege level maps to more limited capabilities. ArubaOS-CX does support standard TACACS+ privilege levels, so administrators can be assigned appropriately. If the ClearPass policies are correctly configured, they will work for both ArubaOS-Switches and ArubaOS-CX switches. The distinction between the "administrators" and "operators" groups is inherent in the ArubaOS-CX role-based access control, and these default groups need to be appropriately mapped to the TACACS+ privilege levels assigned by CPPM.

To differentiate access control for faculty and students, the best approach is to use roles. By creating two roles - "faculty" and "student" - and applying the appropriate firewall policies to each, the university can enforce different access rules for each group. This is more efficient than managing multiple VLANs or WLANs because it allows for role-based access control, which is directly tied to user identity rather than just IP addresses or the network they are connected to.QUESTION NO: 105

The monitoring admin has asked you to set up an ArubaOS-Switch to meet these criteria:

• Send logs to a SIEM Syslog server at 10.4.13.15 at the standard UDP port (514)

• Send a log for all events at the "warning" level or above

The switch did not have any "logging" configuration on it. You then entered this command:

ArubaOS-Switch(config)# logging 10.4.13.15 udp

What should you do to finish configuring to the requirements?

A. Add categories (system-modules) at the global level.

B. Specify "warning" as the global level.

C. Ask for the Syslog password and configure it on the switch.

D. Configure logging as a debug destination.

Answer: B

To set up an ArubaOS-Switch to send logs to a SIEM syslog server at the specified criteria, you would need to specify the level of events that should be logged. Since the requirement is to log all events at the "warning" level or above, you should specify the syslog level after the logging server IP and port. The command should look like this:

ArubaOS-Switch(config)# logging 10.4.13.15 ArubaOS-Switch(config)# logging trap warning

This would set up the switch to send logs to the syslog server at the IP address 10.4.13.15 using the default UDP port (514), for all events at the "warning" level or above.