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HP HPE6-A78 certification exam is designed to test the knowledge and skills of network security professionals. It is specifically aimed at those who work with Aruba networking products and solutions. HPE6-A78 exam assesses the candidate's ability to secure networks, protect against cyber threats and vulnerabilities, and implement effective security policies.

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 HPE6-A78 exam covers a wide range of topics related to wireless network security, including authentication methods, encryption techniques, firewall configuration, and intrusion prevention. HPE6-A78 Exam is designed to test the candidate's understanding of these topics and their ability to apply this knowledge in real-world situations.

HP Aruba Certified Network Security Associate Exam Sample Questions (Q12-Q17):

NEW QUESTION # 12
Refer to the exhibit:
port-access role role1 vlan access 11
port-access role role2 vlan access 12
port-access role role3 vlan access 13
port-access role role4 vlan access 14
aaa authentication port-access dot1x authenticator
enable
interface 1/1/1
no shutdown
no routing
vlan access 1
aaa authentication port-access critical-role role1
aaa authentication port-access preauth-role role2
aaa authentication port-access auth-role role3
interface 1/1/2
no shutdown
no routing
vlan access 1
aaa authentication port-access critical-role role1
aaa authentication port-access preauth-role role2
aaa authentication port-access auth-role role3
The exhibit shows the configuration on an AOS-CX switch.
Client1 connects to port 1/1/1 and authenticates to HPE Aruba Networking ClearPass Policy Manager (CPPM). CPPM sends an Access-Accept with this VSA: Aruba-User-Role: role4.
Client2 connects to port 1/1/2 and does not attempt to authenticate.
To which roles are the users assigned?

A. Client1 = role3; Client2 = role2
B. Client1 = role4; Client2 = role1
C. Client1 = role4; Client2 = role2
D. Client1 = role3; Client2 = role1

Answer: C

Explanation:
The scenario involves an AOS-CX switch configured for 802.1X port-access authentication. The configuration defines several roles and their associated VLANs:
port-access role role1 vlan access 11: Role1 assigns VLAN 11.
port-access role role2 vlan access 12: Role2 assigns VLAN 12.
port-access role role3 vlan access 13: Role3 assigns VLAN 13.
port-access role role4 vlan access 14: Role4 assigns VLAN 14.
The switch has 802.1X authentication enabled globally (aaa authentication port-access dot1x authenticator enable). Two ports are configured:
Interface 1/1/1:
vlan access 1: Default VLAN is 1.
aaa authentication port-access critical-role role1: If the RADIUS server is unavailable, assign role1 (VLAN 11).
aaa authentication port-access preauth-role role2: Before authentication, assign role2 (VLAN 12).
aaa authentication port-access auth-role role3: After successful authentication, assign role3 (VLAN 13) unless overridden by a VSA.
Interface 1/1/2: Same configuration as 1/1/1.
Client1 on port 1/1/1:
Client1 authenticates successfully, and CPPM sends an Access-Accept with the VSA Aruba-User-Role: role4.
In AOS-CX, the auth-role (role3) is applied after successful authentication unless the RADIUS server specifies a different role via the Aruba-User-Role VSA. Since CPPM sends Aruba-User-Role: role4, and role4 exists on the switch, Client1 is assigned role4 (VLAN 14), overriding the default auth-role (role3).
Client2 on port 1/1/2:
Client2 does not attempt to authenticate (i.e., does not send 802.1X credentials).
In AOS-CX, if a client does not attempt authentication and no other authentication method (e.g., MAC authentication) is configured, the client is placed in the preauth-role (role2, VLAN 12). This role is applied before authentication or when authentication is not attempted, allowing the client limited access (e.g., to perform authentication or access a captive portal).
Option A, "Client1 = role3; Client2 = role2," is incorrect because Client1 should be assigned role4 (from the VSA), not role3.
Option B, "Client1 = role4; Client2 = role1," is incorrect because Client2 should be assigned the preauth-role (role2), not the critical-role (role1), since the RADIUS server is reachable (Client1 authenticated successfully).
Option C, "Client1 = role4; Client2 = role2," is correct. Client1 gets role4 from the VSA, and Client2 gets the preauth-role (role2) since it does not attempt authentication.
Option D, "Client1 = role3; Client2 = role1," is incorrect for the same reasons as Option A and Option B.
The HPE Aruba Networking AOS-CX 10.12 Security Guide states:
"After successful 802.1X authentication, the AOS-CX switch assigns the client to the auth-role configured for the port (e.g., aaa authentication port-access auth-role role3). However, if the RADIUS server returns an Aruba-User-Role VSA (e.g., Aruba-User-Role: role4), and the specified role exists on the switch, the client is assigned that role instead of the auth-role. If a client does not attempt authentication and no other authentication method is configured, the client is assigned the preauth-role (e.g., aaa authentication port-access preauth-role role2), which provides limited access before authentication." (Page 132, 802.1X Authentication Section) Additionally, the guide notes:
"The critical-role (e.g., aaa authentication port-access critical-role role1) is applied only when the RADIUS server is unavailable. The preauth-role is applied when a client connects but does not attempt 802.1X authentication." (Page 134, Port-Access Roles Section)
:
HPE Aruba Networking AOS-CX 10.12 Security Guide, 802.1X Authentication Section, Page 132.
HPE Aruba Networking AOS-CX 10.12 Security Guide, Port-Access Roles Section, Page 134.

NEW QUESTION # 13
What is a use case for tunneling traffic between an Aruba switch and an AruDa Mobility Controller (MC)?

A. securing the network infrastructure control plane by creating a virtual out-of-band-management network
B. enhancing the security of communications from the access layer to the core with data encryption
C. simplifying network infrastructure management by using the MC to push configurations to the switches
D. applying firewall policies and deep packet inspection to wired clients

Answer: A

Explanation:
Tunneling traffic between an Aruba switch and an Aruba Mobility Controller (MC) allows for the centralized application of firewall policies and deep packet inspection to wired clients. By directing traffic through the MC, network administrators can implement a consistent set of security policies across both wired and wireless segments of the network, enhancing overall network security posture.

NEW QUESTION # 14
You have an Aruba solution with multiple Mobility Controllers (MCs) and campus APs. You want to deploy a WPA3-Enterprise WLAN and authenticate users to Aruba ClearPass Policy Manager (CPPM) with EAP-TLS.
What is a guideline for ensuring a successful deployment?

A. Avoid enabling CNSA mode on the WLAN, which requires the internal MC RADIUS server.
B. Deploy certificates to clients, signed by a CA that CPPM trusts.
C. Ensure that clients trust the root CA for the MCs' Server Certificates.
D. Educate users in selecting strong passwords with at least 8 characters.

Answer: B

Explanation:
For WPA3-Enterprise with EAP-TLS, it's crucial that clients have a trusted certificate installed for the authentication process. EAP-TLS relies on a mutual exchange of certificates for authentication. Deploying client certificates signed by a CA that CPPM trusts ensures that the ClearPass Policy Manager can verify the authenticity of the client certificates during the TLS handshake process. Trust in the root CA is typically required for the server side of the authentication process, not the client side, which is covered by the client's own certificate.

NEW QUESTION # 15
You have configured a WLAN to use Enterprise security with the WPA3 version.
How does the WLAN handle encryption?

A. Traffic is encrypted with AES and keys derived from a PMK shared by all clients on the WLAN.
B. Traffic is encrypted with AES and keys derived from a unique PMK per client.
C. Traffic is encrypted with TKIP and keys derived from a unique PMK per client.
D. Traffic is encrypted with TKIP and keys derived from a PMK shared by all clients on the WLAN.

Answer: B

Explanation:
WPA3-Enterprise is a security protocol introduced to enhance the security of wireless networks, particularly in enterprise environments. It builds on the foundation of WPA2 but introduces stronger encryption and key management practices. In WPA3-Enterprise, authentication is typically performed using 802.1X, and encryption is handled using the Advanced Encryption Standard (AES).
WPA3-Enterprise Encryption: WPA3-Enterprise uses AES with the Galois/Counter Mode Protocol (GCMP) or Cipher Block Chaining Message Authentication Code Protocol (CCMP), both of which are AES-based encryption methods. WPA3 does not use TKIP (Temporal Key Integrity Protocol), which is a legacy encryption method used in WPA and early WPA2 deployments and is considered insecure.
Pairwise Master Key (PMK): In WPA3-Enterprise, the PMK is derived during the 802.1X authentication process (e.g., via EAP-TLS or EAP-TTLS). Each client authenticates individually with the authentication server (e.g., ClearPass), resulting in a unique PMK for each client. This PMK is then used to derive session keys (Pairwise Transient Keys, PTKs) for encrypting the client's traffic, ensuring that each client's traffic is encrypted with unique keys.
Option A, "Traffic is encrypted with TKIP and keys derived from a PMK shared by all clients on the WLAN," is incorrect because WPA3 does not use TKIP (it uses AES), and the PMK is not shared among clients in WPA3-Enterprise; each client has a unique PMK.
Option B, "Traffic is encrypted with TKIP and keys derived from a unique PMK per client," is incorrect because WPA3 does not use TKIP; it uses AES.
Option C, "Traffic is encrypted with AES and keys derived from a PMK shared by all clients on the WLAN," is incorrect because, in WPA3-Enterprise, the PMK is unique per client, not shared.
Option D, "Traffic is encrypted with AES and keys derived from a unique PMK per client," is correct. WPA3-Enterprise uses AES for encryption, and each client derives a unique PMK during 802.1X authentication, which is used to generate unique session keys for encryption.
The HPE Aruba Networking AOS-8 8.11 User Guide states:
"WPA3-Enterprise enhances security by using AES encryption with GCMP or CCMP. In WPA3-Enterprise mode, each client authenticates via 802.1X, resulting in a unique Pairwise Master Key (PMK) for each client. The PMK is used to derive session keys (Pairwise Transient Keys, PTKs) that encrypt the client's traffic with AES, ensuring that each client's traffic is protected with unique keys. WPA3 does not support TKIP, which is a legacy encryption method." (Page 285, WPA3-Enterprise Security Section) Additionally, the HPE Aruba Networking Wireless Security Guide notes:
"WPA3-Enterprise requires 802.1X authentication, which generates a unique PMK for each client. This PMK is used to derive AES-based session keys, providing individualized encryption for each client's traffic and eliminating the risks associated with shared keys." (Page 32, WPA3 Security Features Section)
:
HPE Aruba Networking AOS-8 8.11 User Guide, WPA3-Enterprise Security Section, Page 285.
HPE Aruba Networking Wireless Security Guide, WPA3 Security Features Section, Page 32.

NEW QUESTION # 16
What is one way that Control Plane Security (CPsec) enhances security for me network?

A. It protects wireless clients' traffic tunneled between APs and Mobility Controllers, from eavesdropping
B. It prevents Denial of Service (DoS) attacks against Mobility Controllers' (MCs") control plane.
C. It prevents access from unauthorized IP addresses to critical services, such as SSH on Mobility Controllers (MCs).
D. It protects management traffic between APs and Mobility Controllers (MCs) from eavesdropping.

Answer: D

Explanation:
Control Plane Security (CPsec) enhances security in the network by protecting management traffic between APs and Mobility Controllers (MCs) from eavesdropping. CPsec ensures that all control and management traffic that transits the network is encrypted, thus preventing potential attackers from gaining access to sensitive management data. It helps in securing the network's control plane, which is crucial for maintaining the integrity and privacy of the network operations.
:
Aruba Networks' CPsec documentation.

NEW QUESTION # 17
......

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HPE6-A78 Latest Exam Materials, Top HPE6-A78 Dumps

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HP Aruba Certified Network Security Associate Exam Sample Questions (Q12-Q17):

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