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HP Aruba Certified Network Security Associate Exam Sample Questions (Q57-Q62):

NEW QUESTION # 57
What is a benefit of deploying Aruba ClearPass Device insight?

A. Simpler troubleshooting of ClearPass solutions across an environment with multiple ClearPass Policy Managers
B. Highly accurate endpoint classification for environments with many devices types, including Internet of Things (loT)
C. visibility into devices' 802.1X supplicant settings and automated certificate deployment
D. Agent-based analysts of devices' security settings and health status, with the ability to implement quarantining

Answer: B

Explanation:
Aruba ClearPass Device Insight offers a significant benefit by providing highly accurate endpoint classification. This feature is particularly useful in complex environments with a wide variety of device types, including IoT devices. Accurate device classification allows network administrators to better understand the nature and behavior of devices on their network, which is crucial for implementing appropriate security policies and ensuring network performance and security.

NEW QUESTION # 58
You have been asked to send RADIUS debug messages from an AOS-CX switch to a central SIEM server at 10.5.15.6. The server is already defined on the switch with this command:
logging 10.5.15.6
You enter this command:
debug radius all
What is the correct debug destination?

A. file
B. buffer
C. console
D. syslog

Answer: D

Explanation:
The scenario involves an AOS-CX switch that needs to send RADIUS debug messages to a central SIEM server at 10.5.15.6. The switch has already been configured to send logs to the SIEM server with the command logging 10.5.15.6, and the command debug radius all has been entered to enable RADIUS debugging.
Debug Command: The debug radius all command enables debugging for all RADIUS-related events on the AOS-CX switch, generating detailed debug messages for RADIUS authentication, accounting, and other operations.
Debug Destination: Debug messages on AOS-CX switches can be sent to various destinations, such as the console, a file, the debug buffer, or a Syslog server. The logging 10.5.15.6 command indicates that the switch is configured to send logs to a Syslog server at 10.5.15.6 (using UDP port 514 by default, unless specified otherwise).
Option D, "syslog," is correct. To send RADIUS debug messages to the SIEM server, the debug destination must be set to "syslog," as the SIEM server is already defined as a Syslog destination with logging 10.5.15.6. The command to set the debug destination to Syslog is debug destination syslog, which ensures that the RADIUS debug messages are sent to the configured Syslog server (10.5.15.6).
Option A, "file," is incorrect. Sending debug messages to a file (e.g., using debug destination file) stores the messages on the switch's filesystem, not on the SIEM server.
Option B, "console," is incorrect. Sending debug messages to the console (e.g., using debug destination console) displays them on the switch's console session, not on the SIEM server.
Option C, "buffer," is incorrect. Sending debug messages to the buffer (e.g., using debug destination buffer) stores them in the switch's debug buffer, which can be viewed with show debug buffer, but does not send them to the SIEM server.
The HPE Aruba Networking AOS-CX 10.12 System Management Guide states:
"To send debug messages, such as RADIUS debug messages, to a central SIEM server, first configure the Syslog server with the logging <ip-address> command (e.g., logging 10.5.15.6). Then, enable the desired debug with a command like debug radius all, and set the debug destination to Syslog using debug destination syslog. This ensures that all debug messages are sent to the configured Syslog server for centralized logging." (Page 92, Debug Logging Section) Additionally, the HPE Aruba Networking AOS-CX 10.12 Security Guide notes:
"RADIUS debug messages can be sent to a Syslog server for centralized monitoring. After enabling RADIUS debugging with debug radius all, use debug destination syslog to send the messages to the Syslog server configured with the logging command, such as a SIEM server at 10.5.15.6." (Page 152, RADIUS Debugging Section)
:
HPE Aruba Networking AOS-CX 10.12 System Management Guide, Debug Logging Section, Page 92.
HPE Aruba Networking AOS-CX 10.12 Security Guide, RADIUS Debugging Section, Page 152.

NEW QUESTION # 59
What are the roles of 802.1X authenticators and authentication servers?

A. The authenticator stores the user account database, while the server stores access policies.
B. The authenticator is a RADIUS client and the authentication server is a RADIUS server.
C. The authenticator makes access decisions and the server communicates them to the supplicant.
D. The authenticator supports only EAP, while the authentication server supports only RADIUS.

Answer: B

Explanation:
In the 802.1X network access control model, the roles of the authenticator and the authentication server are distinct yet complementary. The authenticator acts as a RADIUS client, which is a network device, like a switch or wireless access point, that directly interfaces with the client machine (supplicant). The authentication server, typically a RADIUS server, is responsible for verifying the credentials provided by the supplicant through the authenticator. This setup helps in separating the duties where the authenticator enforces authentication but does not decide on the validity of the credentials, which is the role of the authentication server.References:
IEEE 802.1X standard for network access control.

NEW QUESTION # 60
Refer to the exhibits.
An admin has created a WLAN that uses the settings shown in the exhibits (and has not otherwise adjusted the settings in the AAA profile). A client connects to the WLAN. Under which circumstances will a client receive the default role assignment?

A. The client has attempted 802.1X authentication, but failed to maintain a reliable connection, leading to a timeout error.
B. The client has passed 802.1X authentication, and the value in the Aruba-User-Role VSA matches a role on the MC.
C. The client has passed 802.1X authentication, and the authentication server did not send an Aruba-User-Role VSA.
D. The client has attempted 802.1X authentication, but the MC could not contact the authentication server.

Answer: C

Explanation:
The exhibit shows the configuration of a WLAN on an AOS-8 Mobility Controller (MC) with the following settings:
Key management: WPA3-Enterprise (indicating 802.1X authentication).
Use CNSA suite: Unchecked (using standard encryption, not the Commercial National Security Algorithm suite).
Key size: 128 bits (standard for AES-GCMP in WPA3).
Reauth interval: 1440 minutes (24 hours, the interval for re-authentication).
Machine authentication: Disabled (only user authentication is required).
Blacklisting: Disabled (clients are not blacklisted after failed attempts).
The question states that the AAA profile settings have not been adjusted, meaning the default roles (e.g., initial role, logon role, 802.1X default role) are not specified in the exhibit and are assumed to be the system defaults (e.g., "logon" for the initial and logon roles, and a default role like "guest" for the 802.1X default role). The question asks under which circumstances a client will receive the "default role assignment," which refers to the 802.1X default role configured in the AAA profile for the WLAN.
802.1X Authentication Process in AOS-8:
When a client connects to a WPA3-Enterprise WLAN, it starts in the initial role (typically "logon") to allow basic connectivity (e.g., DHCP, DNS).
During 802.1X authentication, the client is placed in the logon role to allow communication with the authentication server (e.g., ClearPass Policy Manager, CPPM).
If authentication succeeds, the client is assigned a role:
If the authentication server (e.g., CPPM) sends an Aruba-User-Role VSA with a role that exists on the MC, the client is assigned that role.
If no Aruba-User-Role VSA is sent, the client is assigned the 802.1X default role configured in the AAA profile for the WLAN.
If authentication fails or the server is unreachable, the client may be assigned a different role (e.g., a critical role, if configured) or denied access.
Option A, "The client has attempted 802.1X authentication, but the MC could not contact the authentication server," is incorrect. If the MC cannot contact the authentication server (e.g., due to a timeout), the client does not receive the 802.1X default role. Instead, the MC may apply a critical role (if configured) or deny access, depending on the configuration. The 802.1X default role is applied only after successful authentication.
Option B, "The client has passed 802.1X authentication, and the authentication server did not send an Aruba-User-Role VSA," is correct. If the client successfully authenticates via 802.1X and the authentication server (e.g., CPPM) does not send an Aruba-User-Role VSA, the MC assigns the client the 802.1X default role configured in the AAA profile for the WLAN. This is the "default role assignment" referred to in the question.
Option C, "The client has attempted 802.1X authentication, but failed to maintain a reliable connection, leading to a timeout error," is incorrect. A timeout error during authentication (e.g., the client fails to respond to EAP messages) typically results in an authentication failure, not a successful authentication. The client would not receive the 802.1X default role; it might be denied access or placed in a different role (e.g., a pre-authentication role).
Option D, "The client has passed 802.1X authentication, and the value in the Aruba-User-Role VSA matches a role on the MC," is incorrect. If the authentication server sends an Aruba-User-Role VSA with a role that exists on the MC, the client is assigned that specific role, not the 802.1X default role.
The HPE Aruba Networking AOS-8 8.11 User Guide states:
"After a client successfully authenticates via 802.1X, the Mobility Controller assigns a role to the client. If the authentication server (e.g., a RADIUS server) sends an Aruba-User-Role VSA with a role that exists on the controller, the client is assigned that role. If no Aruba-User-Role VSA is sent in the Access-Accept message, the client is assigned the 802.1X default role configured in the AAA profile for the WLAN. For example, if the AAA profile specifies 'guest' as the 802.1X default role, the client will be assigned the 'guest' role." (Page 305, Role Assignment Section) Additionally, the HPE Aruba Networking Wireless Security Guide notes:
"In WPA3-Enterprise with 802.1X authentication, the default role assignment occurs when a client successfully authenticates but the authentication server does not specify a role via the Aruba-User-Role VSA. In this case, the client receives the 802.1X default role defined in the AAA profile, such as 'guest' or another role configured by the administrator." (Page 42, 802.1X Role Assignment Section)
:
HPE Aruba Networking AOS-8 8.11 User Guide, Role Assignment Section, Page 305.
HPE Aruba Networking Wireless Security Guide, 802.1X Role Assignment Section, Page 42.

NEW QUESTION # 61
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 ArubaOS device assigned the user's client.
What is a likely problem?

A. The ArubaOS device does not have the correct RADIUS dictionaries installed on it to under-stand the Aruba-User-Role VSA.
B. The role name that CPPM is sending does not match the role name configured on the Aru-baOS device.
C. The ArubaOS device has a server derivation rule configured on it that has overridden the role sent by CPPM.
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: B

Explanation:
The image indicates that there is an issue with the user role assignment, which is key to network access in ArubaOS. If the user role name sent by CPPM doesn't match any of the roles defined in the ArubaOS, then the user will be assigned a default or incorrect role that does not have the necessary permissions, thus leading to the connection errors and lack of Internet access. Ensuring that the role names are consistent between CPPM and ArubaOS can resolve this issue.

NEW QUESTION # 62
......

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Hot Exam HPE6-A78 Passing Score & Pass for Sure HPE6-A78 Certification Exam Infor: Aruba Certified Network Security Associate Exam

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HP Aruba Certified Network Security Associate Exam Sample Questions (Q57-Q62):

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