2025 HP HPE6-A78: ARUBA CERTIFIED NETWORK SECURITY ASSOCIATE EXAM–HIGH PASS-RATE ONLINE BOOTCAMPS

2025 HP HPE6-A78: Aruba Certified Network Security Associate Exam–High Pass-Rate Online Bootcamps

2025 HP HPE6-A78: Aruba Certified Network Security Associate Exam–High Pass-Rate Online Bootcamps

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HPE6-A78 certification is recognized globally and is highly valued by employers in the IT industry. It demonstrates a candidate's proficiency in implementing and managing secure network infrastructures using Aruba products and technologies. Aruba Certified Network Security Associate Exam certification is also a stepping stone for higher-level Aruba certifications such as the Aruba Certified Mobility Professional (ACMP) and the Aruba Certified Mobility Expert (ACMX).

HPE6-A78 certification exam is designed for IT professionals who plan to work with Aruba networking and security products. HPE6-A78 Exam is intended to validate the skills and knowledge of candidates in designing and implementing secure network solutions using Aruba products. Aruba Certified Network Security Associate Exam certification exam also tests the candidate's ability to troubleshoot and optimize network performance.

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HP Aruba Certified Network Security Associate Exam Sample Questions (Q130-Q135):

NEW QUESTION # 130
What is one of the roles of the network access server (NAS) in the AAA framewonx?

  • A. It negotiates with each user's device to determine which EAP method is used for authentication
  • B. It authenticates legitimate users and uses policies to determine which resources each user is allowed to access.
  • C. It determines which resources authenticated users are allowed to access and monitors each users session
  • D. It enforces access to network services and sends accounting information to the AAA server

Answer: D

Explanation:
In the AAA (Authentication, Authorization, and Accounting) framework, the role of the Network Access Server (NAS) is to act as a gateway that enforces access to network services and sends accounting information to the AAA server. The NAS initially requests authentication information from the user and then passes that information to the AAA server. It also enforces the access policies as provided by the AAA server after authentication and provides accounting data to the AAA server based on user activity.
:
Technical literature on AAA protocols which often includes a description of the roles and responsibilities of a Network Access Server.
Network security resources that discuss the NAS function within the AAA framework.


NEW QUESTION # 131
Refer to the exhibits.
A company has added a new user group. Users in the group try to connect to the WLAN and receive errors that the connection has no Internet access. The users cannot reach any resources. The first exhibit shows the record for one of the users who cannot connect. The second exhibit shows the role to which the AOS device assigned the user's client.
What is a likely problem?

  • A. The AOS device has a server derivation rule configured on it that has overridden the role sent by CPPM.
  • B. The AOS device does not have the correct RADIUS dictionaries installed on it to understand the Aruba-User-Role VSA.
  • C. The role name that CPPM is sending does not match the role name configured on the AOS device.
  • D. The clients rejected the server authentication on their side because they do not have the root CA for CPPM's RADIUS/EAP certificate.

Answer: C

Explanation:
The scenario involves an AOS-8 Mobility Controller (MC) with a WLAN where a new user group has been added. Users in this group cannot connect to the WLAN, receiving errors indicating no Internet access and inability to reach resources. Exhibit 1 shows the ClearPass Policy Manager (CPPM) Access Tracker record for one user:
CPPM sends an Access-Accept with the VSA Radius:Aruba:Aruba-User-Role user_group4.
The endpoint is classified as "Known," but the user cannot access resources. Exhibit 2 (not provided but described) shows that the AOS device (MC) assigned the user's client to the "denyall" role, which likely denies all access, explaining the lack of Internet and resource access.
Analysis:
CPPM sends the Aruba-User-Role VSA with the value "user_group4," indicating that the user should be assigned to the "user_group4" role on the MC.
However, the MC assigns the client to the "denyall" role, which typically denies all traffic, resulting in no Internet or resource access.
The issue lies in why the MC did not apply the "user_group4" role sent by CPPM.
Option A, "The AOS device does not have the correct RADIUS dictionaries installed on it to understand the Aruba-User-Role VSA," is incorrect. If the MC did not have the correct RADIUS dictionaries to understand the Aruba-User-Role VSA, it would not process the VSA at all, and the issue would likely affect all users, not just the new user group. Additionally, Aruba-User-Role is a standard VSA in AOS-8, and the dictionaries are built into the system.
Option B, "The AOS device has a server derivation rule configured on it that has overridden the role sent by CPPM," is incorrect. Server derivation rules on the MC can override roles sent by the RADIUS server (e.g., based on attributes like username or NAS-IP), but there is no indication in the scenario that such a rule is configured. If a derivation rule were overriding the role, it would likely affect more users, and the issue would not be specific to the new user group.
Option C, "The clients rejected the server authentication on their side because they do not have the root CA for CPPM's RADIUS/EAP certificate," is incorrect. If the clients rejected the server authentication (e.g., due to a missing root CA for CPPM's certificate), the authentication would fail entirely, and CPPM would not send an Access-Accept with the Aruba-User-Role VSA. The scenario confirms that authentication succeeded (Access-Accept was sent), so this is not the issue.
Option D, "The role name that CPPM is sending does not match the role name configured on the AOS device," is correct. CPPM sends the role "user_group4" in the Aruba-User-Role VSA, but the MC assigns the client to the "denyall" role. This suggests that the role "user_group4" does not exist on the MC, or there is a mismatch in the role name (e.g., due to case sensitivity, typos, or underscores vs. hyphens). In AOS-8, if the role specified in the Aruba-User-Role VSA does not exist on the MC, the MC falls back to a default role, which in this case appears to be "denyall," denying all access. The likely problem is that the role name "user_group4" sent by CPPM does not match the role name configured on the MC (e.g., it might be "user-group4" or a different name).
The HPE Aruba Networking AOS-8 8.11 User Guide states:
"When the Mobility Controller receives an Aruba-User-Role VSA in a RADIUS Access-Accept message, it attempts to assign the specified role to the client. If the role name sent by the RADIUS server (e.g., 'user_group4') does not match a role configured on the controller, the controller will fall back to a default role, such as 'denyall,' which may deny all access. To resolve this, ensure that the role name sent by the RADIUS server matches the role name configured on the controller, accounting for case sensitivity and naming conventions (e.g., underscores vs. hyphens)." (Page 306, Role Assignment Troubleshooting Section) Additionally, the HPE Aruba Networking ClearPass Policy Manager 6.11 User Guide notes:
"A common issue when assigning roles via the Aruba-User-Role VSA is a mismatch between the role name sent by ClearPass and the role name configured on the Aruba device. If the role name does not match (e.g., 'user_group4' vs. 'user-group4'), the device will not apply the intended role, and the client may be assigned a default role like 'denyall,' resulting in access issues. Verify that the role names match exactly in both ClearPass and the device configuration." (Page 290, RADIUS Role Assignment Issues Section)
:
HPE Aruba Networking AOS-8 8.11 User Guide, Role Assignment Troubleshooting Section, Page 306.
HPE Aruba Networking ClearPass Policy Manager 6.11 User Guide, RADIUS Role Assignment Issues Section, Page 290.


NEW QUESTION # 132
How can hackers implement a man-in-the-middle (MITM) attack against a wireless client?

  • A. The hacker connects a device to the same wireless network as the client and responds to the client's ARP requests with the hacker device's MAC address.
  • B. The hacker uses spear-phishing to probe for the IP addresses that the client is attempting to reach. The hacker device then spoofs those IP addresses.
  • C. The hacker uses a combination of software and hardware to jam the RF band and prevent the client from connecting to any wireless networks.
  • D. The hacker runs an NMap scan on the wireless client to find its MAC and IP address. The hacker then connects to another network and spoofs those addresses.

Answer: A

Explanation:
A man-in-the-middle (MITM) attack involves an attacker positioning themselves between a wireless client and the legitimate network to intercept or manipulate traffic. HPE Aruba Networking documentation often discusses MITM attacks in the context of wireless security threats and mitigation strategies.
Option D, "The hacker connects a device to the same wireless network as the client and responds to the client's ARP requests with the hacker device's MAC address," is correct. This describes an ARP poisoning (or ARP spoofing) attack, a common MITM technique in wireless networks. The hacker joins the same wireless network as the client (e.g., by authenticating with the same SSID and credentials). Once on the network, the hacker sends fake ARP responses to the client, associating the hacker's MAC address with the IP address of the default gateway (or another target device). This causes the client to send traffic to the hacker's device instead of the legitimate gateway, allowing the hacker to intercept, modify, or forward the traffic, thus performing an MITM attack.
Option A, "The hacker uses a combination of software and hardware to jam the RF band and prevent the client from connecting to any wireless networks," is incorrect. Jamming the RF band would disrupt all wireless communication, including the hacker's ability to intercept traffic. This is a denial-of-service (DoS) attack, not an MITM attack.
Option B, "The hacker runs an NMap scan on the wireless client to find its MAC and IP address. The hacker then connects to another network and spoofs those addresses," is incorrect. NMap scans are used for network discovery and port scanning, not for implementing an MITM attack. Spoofing MAC and IP addresses on another network does not position the hacker to intercept the client's traffic on the original network.
Option C, "The hacker uses spear-phishing to probe for the IP addresses that the client is attempting to reach. The hacker device then spoofs those IP addresses," is incorrect. Spear-phishing is a delivery method for malware or credentials theft, not a direct method for implementing an MITM attack. Spoofing IP addresses alone does not allow the hacker to intercept traffic unless they are on the same network and can manipulate routing (e.g., via ARP poisoning).
The HPE Aruba Networking AOS-8 8.11 User Guide states:
"A common man-in-the-middle (MITM) attack against wireless clients involves ARP poisoning. The hacker connects a device to the same wireless network as the client and sends fake ARP responses to the client, associating the hacker's MAC address with the IP address of the default gateway. This causes the client to send traffic to the hacker's device, allowing the hacker to intercept and manipulate the traffic." (Page 422, Wireless Threats Section) Additionally, the HPE Aruba Networking Security Guide notes:
"ARP poisoning is a prevalent MITM attack in wireless networks. The attacker joins the same network as the client and responds to the client's ARP requests with the attacker's MAC address, redirecting traffic through the attacker's device. This allows the attacker to intercept sensitive data or modify traffic between the client and the legitimate destination." (Page 72, Wireless MITM Attacks Section)
:
HPE Aruba Networking AOS-8 8.11 User Guide, Wireless Threats Section, Page 422.
HPE Aruba Networking Security Guide, Wireless MITM Attacks Section, Page 72.


NEW QUESTION # 133
Refer to the exhibit.

Device A is establishing an HTTPS session with the Arubapedia web sue using Chrome. The Arubapedia web server sends the certificate shown in the exhibit What does the browser do as part of vacating the web server certificate?

  • A. It uses the private key in the Arubapedia web site's certificate to check that certificate's signature
  • B. It uses the public key in the DigCen SHA2 Secure Server CA certificate to check the certificate's signature.
  • C. It uses the public key in the DigCert root CA certificate to check the certificate signature
  • D. It uses the private key in the DigiCert SHA2 Secure Server CA to check the certificate's signature.

Answer: B

Explanation:
When a browser, like Chrome, is validating a web server's certificate, it uses the public key in the certificate's signing authority to verify the certificate's digital signature. In the case of the exhibit, the browser would use the public key in the DigiCert SHA2 Secure Server CA certificate to check the signature of the Arubapedia web server's certificate. This process ensures that the certificate was indeed issued by the claimed Certificate Authority (CA) and has not been tampered with.
References:
Browser security documentation and SSL/TLS standards that explain the certificate validation process.
Cybersecurity educational resources that cover the principles of public key infrastructure (PKI) and certificate validation.


NEW QUESTION # 134
You have an HPE Aruba Networking Mobility Controller (MC) that is locked in a closet. What is another step that HPE Aruba Networking recommends to protect the MC from unauthorized access?

  • A. Set the local admin password to a long random value that is unknown or locked up securely.
  • B. Disable local authentication of administrators entirely.
  • C. Use local authentication rather than external authentication to authenticate admins.
  • D. Change the password recovery password.

Answer: A

Explanation:
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)
:
HPE Aruba Networking AOS-8 8.11 User Guide, Securing Administrative Access Section, Page 385.
HPE Aruba Networking Security Best Practices Guide, Administrative Security Section, Page 28.


NEW QUESTION # 135
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