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The Aruba Certified Network Security Associate (ACNSA) certification validates the candidate's ability to design, configure, and maintain secure wired and wireless networks using Aruba technologies. Aruba Certified Network Security Associate Exam certification is highly valued in the IT industry, and it provides a competitive edge to the certified professionals. Aruba Certified Network Security Associate Exam certification covers the essential topics of network security, such as authentication, authorization, and accounting (AAA), encryption, intrusion prevention, and firewall policies.

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HP HPE6-A78 (Aruba Certified Network Security Associate) Certification Exam is designed to test the skills and knowledge of network security professionals who work with Aruba products and solutions. Aruba is a leading provider of networking and security solutions for enterprises, governments, and other organizations. The HPE6-A78 Exam covers a range of topics related to network security, including authentication, encryption, access control, and threat detection and mitigation.

HP Aruba Certified Network Security Associate Exam Sample Questions (Q40-Q45):

NEW QUESTION # 40
You have deployed a new HPE Aruba Networking Mobility Controller (MC) and campus APs (CAPs). One of the WLANs enforces 802.1X authentication to HPE Aruba Networking ClearPass Policy Manager (CPPM). When you test connecting the client to the WLAN, the test fails. You check ClearPass Access Tracker and cannot find a record of the authentication attempt. You ping from the MC to CPPM, and the ping is successful.
What is a good next step for troubleshooting?

A. Check connectivity between CPPM and a backend directory server.
B. Check CPPM Event Viewer.
C. Renew CPPM's RADIUS/EAP certificate.
D. Reset the user credentials.

Answer: B

Explanation:
In this scenario, a new HPE Aruba Networking Mobility Controller (MC) and campus APs (CAPs) are deployed, with a WLAN configured for 802.1X authentication using HPE Aruba Networking ClearPass Policy Manager (CPPM) as the RADIUS server. A client test fails, and no record of the authentication attempt appears in ClearPass Access Tracker. However, a ping from the MC to CPPM is successful, confirming basic network connectivity between the MC and CPPM.
The absence of a record in Access Tracker indicates that CPPM did not receive the RADIUS authentication request from the MC, or the request was rejected at a low level before being logged in Access Tracker. Access Tracker typically logs all RADIUS authentication attempts (successful or failed), so the lack of a record suggests a configuration or connectivity issue at the RADIUS level.
Option C, "Check CPPM Event Viewer," is correct. The CPPM Event Viewer logs system-level events, including RADIUS-related errors that might not appear in Access Tracker. For example, if the MC's IP address is not configured as a Network Access Device (NAD) in CPPM, or if the shared secret between the MC and CPPM does not match, CPPM may reject the RADIUS request before it reaches Access Tracker. The Event Viewer will log such errors (e.g., "RADIUS authentication attempt from unknown NAD"), providing insight into why the request was not processed.
Option A, "Renew CPPM's RADIUS/EAP certificate," is incorrect because the issue is that CPPM did not receive or process the authentication request (no record in Access Tracker). If there were a certificate issue (e.g., an expired or untrusted certificate), the request would still reach CPPM, and Access Tracker would log a failure with a certificate-related error.
Option B, "Check connectivity between CPPM and a backend directory server," is incorrect because the issue occurs before CPPM processes the authentication request. If CPPM cannot contact a backend directory server (e.g., Active Directory), the authentication attempt would still be logged in Access Tracker with a failure reason related to the directory server.
Option D, "Reset the user credentials," is incorrect because the issue is not related to the user's credentials. The authentication request never reached CPPM, so the credentials were not evaluated.
The HPE Aruba Networking ClearPass Policy Manager 6.11 User Guide states:
"If an authentication attempt does not appear in Access Tracker, it indicates that the RADIUS request was not received by ClearPass or was rejected at a low level before being logged. The Event Viewer (Monitoring > Event Viewer) should be checked for system-level errors, such as 'RADIUS authentication attempt from unknown NAD' or shared secret mismatches. For example, if the Network Access Device (NAD) IP address of the Mobility Controller is not configured in ClearPass, or if the shared secret does not match, the request will be dropped, and an error will be logged in the Event Viewer." (Page 301, Troubleshooting RADIUS Issues Section) Additionally, the HPE Aruba Networking AOS-8 8.11 User Guide notes:
"When troubleshooting 802.1X authentication issues, verify that the Mobility Controller can communicate with the RADIUS server. If a ping is successful but no authentication records appear in the RADIUS server's logs (e.g., ClearPass Access Tracker), check the RADIUS server's system logs (e.g., ClearPass Event Viewer) for errors related to NAD configuration or shared secret mismatches." (Page 498, Troubleshooting 802.1X Authentication Section)
:
HPE Aruba Networking ClearPass Policy Manager 6.11 User Guide, Troubleshooting RADIUS Issues Section, Page 301.
HPE Aruba Networking AOS-8 8.11 User Guide, Troubleshooting 802.1X Authentication Section, Page 498.

NEW QUESTION # 41
How can hackers implement a man-in-the-middle (MITM) attack against a wireless client?

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.
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 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.
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.

Answer: D

Explanation:
A common method for hackers to perform a man-in-the-middle (MITM) attack on a wireless network is by ARP poisoning. The attacker connects to the same network as the victim and sends false ARP messages over the network. This causes the victim's device to send traffic to the attacker's machine instead of the legitimate destination, allowing the attacker to intercept the traffic.
Reference:
Please note that the answers provided are based on general networking and security principles and best practices. If you require verification against specific Aruba product documentation or technical manuals, those documents should be consulted directly.

NEW QUESTION # 42
How can hackers implement a man-in-the-middle (MITM) attack against a wireless client?

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.
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 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.
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.

Answer: D

NEW QUESTION # 43
What is social engineering?

A. Hackers use employees to circumvent network security and gather the information they need to launch an attack.
B. Hackers intercept traffic between two users, eavesdrop on their messages, and pretend to be one or both users.
C. Hackers spoof the source IP address in their communications so they appear to be a legitimate user.
D. Hackers use Artificial Intelligence (Al) to mimic a user's online behavior so they can infiltrate a network and launch an attack.

Answer: A

Explanation:
Social engineering in the context of network security refers to the techniques used by hackers to manipulate individuals into breaking normal security procedures and best practices to gain unauthorized access to systems, networks, or physical locations, or for financial gain. Hackers use various forms of deception to trick employees into handing over confidential or personal information that can be used for fraudulent purposes. This definition encompasses phishing attacks, pretexting, baiting, and other manipulative techniques designed to exploit human psychology. Unlike other hacking methods that rely on technical means, social engineering targets the human element of security. References to social engineering, its methods, and defense strategies are commonly found in security training manuals, cybersecurity awareness programs, and authoritative resources like those from the SANS Institute or cybersecurity agencies.

NEW QUESTION # 44
A company has an Aruba solution with a Mobility Master (MM) Mobility Controllers (MCs) and campus Aps. What is one benefit of adding Aruba Airwave from the perspective of forensics?

A. Airwave can provide more advanced authentication and access control services for the AmbaOS solution
B. AirWave enables low level debugging on the devices across the ArubaOS solution
C. Airwave retains information about the network for much longer periods than ArubaOS solution
D. Airwave is required to activate Wireless Intrusion Prevention (WIP) services on the ArubaOS solution

Answer: C

Explanation:
Adding Aruba Airwave to an Aruba solution that includes a Mobility Master (MM), Mobility Controllers (MCs), and campus APs offers several benefits, notably in the realm of network forensics. One of the significant advantages is that Airwave can retain detailed information about the network for much longer periods than what is typically possible with just ArubaOS solutions. This extensive data retention is crucial for forensic analysis, allowing network administrators and security professionals to conduct thorough investigations of past incidents. With access to historical data, professionals can identify trends, pinpoint security breaches, and understand the impact of specific changes or events within the network over time.
References:
Aruba's official product documentation and user guides for Airwave and ArubaOS, which outline features, benefits, and use cases related to network management and forensic capabilities.
Industry case studies and whitepapers that discuss the implementation and advantages of integrating Airwave into existing network infrastructure for enhanced monitoring and security.

NEW QUESTION # 45
......

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Free PDF 2025 Efficient HP HPE6-A78 Reliable Exam Questions

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