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Free PDF 2025 High Hit-Rate HPE6-A78: Valid Test Aruba Certified Network Security Associate Exam Experience

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HP HPE6-A78, also known as the Aruba Certified Network Security Associate (ACNSA) exam, is a certification test designed for IT professionals who want to demonstrate their knowledge and skills in network security. HPE6-A78 exam covers a range of topics related to Aruba's network security solutions, such as firewall policies, virtual private networks (VPNs), and access control. Passing the HPE6-A78 Exam is a great way to validate your expertise in network security and enhance your career prospects in the field.

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HP Aruba Certified Network Security Associate Exam Sample Questions (Q167-Q172):

NEW QUESTION # 167
What is one way that WPA3-Enterprise enhances security when compared to WPA2-Enterprise?

A. WPA3-Enterprise uses Diffie-Hellman in order to authenticate clients, while WPA2-Enterprise uses 802.1X authentication.
B. WPA3-Enterprise provides built-in mechanisms that can deploy user certificates to authorized end-user devices.
C. WPA3-Enterprise implements the more secure simultaneous authentication of equals (SAE), while WPA2-Enterprise uses 802.1X.
D. WPA3-Enterprise can operate in CNSA mode, which mandates that the 802.11 association uses secure algorithms.

Answer: D

Explanation:
WPA3-Enterprise enhances network security over WPA2-Enterprise through several improvements, one of which is the ability to operate in CNSA (Commercial National Security Algorithm) mode. This mode mandates the use of secure cryptographic algorithms during the 802.11 association process, ensuring that all communications are highly secure. The CNSA suite provides stronger encryption standards designed to protect sensitive government, military, and industrial communications. Unlike WPA2, WPA3's CNSA mode uses stronger cryptographic primitives, such as AES-256 in Galois/Counter Mode (GCM) for encryption and SHA-384 for hashing, which are not standard in WPA2-Enterprise.

NEW QUESTION # 168
How should admins deal with vulnerabilities that they find in their systems?

A. They should classify the vulnerability as malware. a DoS attack or a phishing attack.
B. They should apply fixes, such as patches, to close the vulnerability before a hacker exploits it.
C. They should add the vulnerability to their Common Vulnerabilities and Exposures (CVE).
D. They should notify the security team as soon as possible that the network has already been breached.

Answer: B

Explanation:
When vulnerabilities are identified in systems, it is crucial for administrators to act immediately to mitigate the risk of exploitation by attackers. The appropriate response involves applying fixes, such as software patches or configuration changes, to close the vulnerability. This proactive approach is necessary to protect the integrity, confidentiality, and availability of the system resources and data. It's important to prioritize these actions based on the severity and exploitability of the vulnerability to ensure that the most critical issues are addressed first.
:
Best practices in system security management.

NEW QUESTION # 169
What correctly describes the Pairwise Master Key (PMK) in thee specified wireless security protocol?

A. In WPA3-Enterprise, the PMK is unique per session and derived using Simultaneous Authentication of Equals.
B. In WPA3-Personal, the PMK is derived directly from the passphrase and is the same tor every session.
C. In WPA3-Personal, the PMK is the same for each session and is communicated to clients that authenticate
D. In WPA3-Personal, the PMK is unique per session and derived using Simultaneous Authentication of Equals.

Answer: A

NEW QUESTION # 170
What is a benefit of Opportunistic Wireless Encryption (OWE)?

A. It allows anyone lo connect, but provides better protection against eavesdropping than a traditional open network
B. It allows both WPA2-capabie and WPA3-capable clients to authenticate to the same WPA-Personal WLAN
C. It provides protection for wireless clients against both honeypot APs and man-in-the-middle (MUM) attacks
D. It offers more control over who can connect to the wireless network when compared with WPA2-Personal

Answer: A

NEW QUESTION # 171
This company has AOS-CX switches. The exhibit shows one access layer switch, Switch-2, as an example, but the campus actually has more switches. Switch-1 is a core switch that acts as the default router for end-user devices.
What is a correct way to configure the switches to protect against exploits from untrusted end-user devices?

A. On Switch-2, enable BPDU filtering on all edge ports in order to prevent eavesdropping attacks by untrusted devices.
B. On Switch-1, enable ARP inspection on VLAN 100 and DHCP snooping on VLANs 15 and 25.
C. On Switch-2, enable DHCP snooping globally and on VLANs 15 and 25. Later, enable ARP inspection on the same VLANs.
D. On Switch-1, enable DHCP snooping on VLAN 100 and ARP inspection on VLANs 15 and 25.

Answer: C

Explanation:
The scenario involves AOS-CX switches in a two-tier topology with Switch-1 as the core switch (default router) on VLAN 100 and Switch-2 as an access layer switch with VLANs 15 and 25, where end-user devices connect. The goal is to protect against exploits from untrusted end-user devices, such as DHCP spoofing or ARP poisoning attacks, which are common threats in access layer networks.
DHCP Snooping: This feature protects against rogue DHCP servers by filtering DHCP messages. It should be enabled on the access layer switch (Switch-2) where end-user devices connect, specifically on the VLANs where these devices reside (VLANs 15 and 25). DHCP snooping builds a binding table of legitimate IP-to-MAC mappings, which can be used by other features like ARP inspection.
ARP Inspection: This feature prevents ARP poisoning attacks by validating ARP packets against the DHCP snooping binding table. It should also be enabled on the access layer switch (Switch-2) on VLANs 15 and 25, where untrusted devices are connected.
Option B, "On Switch-2, enable DHCP snooping globally and on VLANs 15 and 25. Later, enable ARP inspection on the same VLANs," is correct. DHCP snooping must be enabled first to build the binding table, and then ARP inspection can use this table to validate ARP packets. This configuration should be applied on Switch-2, the access layer switch, because that's where untrusted end-user devices connect.
Option A, "On Switch-1, enable ARP inspection on VLAN 100 and DHCP snooping on VLANs 15 and 25," is incorrect. Switch-1 is the core switch and does not directly connect to end-user devices on VLANs 15 and 25. DHCP snooping and ARP inspection should be enabled on the access layer switch (Switch-2) where the devices reside. Additionally, enabling ARP inspection on VLAN 100 (where the DHCP server is) is unnecessary since the DHCP server is a trusted device.
Option C, "On Switch-2, enable BPDU filtering on all edge ports in order to prevent eavesdropping attacks by untrusted devices," is incorrect. BPDU filtering is used to prevent spanning tree protocol (STP) attacks by blocking BPDUs on edge ports, but it does not protect against eavesdropping or other exploits like DHCP spoofing or ARP poisoning, which are more relevant in this context.
Option D, "On Switch-1, enable DHCP snooping on VLAN 100 and ARP inspection on VLANs 15 and 25," is incorrect for the same reason as Option A. Switch-1 is not the appropriate place to enable these features since it's not directly connected to the untrusted devices on VLANs 15 and 25.
The HPE Aruba Networking AOS-CX 10.12 Security Guide states:
"DHCP snooping should be enabled on access layer switches where untrusted end-user devices connect. It must be enabled globally and on the specific VLANs where the devices reside (e.g., dhcp-snooping vlan 15,25). This feature builds a binding table of IP-to-MAC mappings, which can be used by Dynamic ARP Inspection (DAI) to prevent ARP poisoning attacks. DAI should also be enabled on the same VLANs (e.g., ip arp inspection vlan 15,25) after DHCP snooping is configured, ensuring that ARP packets are validated against the DHCP snooping binding table." (Page 145, DHCP Snooping and ARP Inspection Section) Additionally, the guide notes:
"Dynamic ARP Inspection (DAI) and DHCP snooping are typically configured on access layer switches to protect against exploits from untrusted devices, such as DHCP spoofing and ARP poisoning. These features should be applied to the VLANs where end-user devices connect, not on core switches unless those VLANs are directly connected to untrusted devices." (Page 146, Best Practices Section)
:
HPE Aruba Networking AOS-CX 10.12 Security Guide, DHCP Snooping and ARP Inspection Section, Page 145.
HPE Aruba Networking AOS-CX 10.12 Security Guide, Best Practices Section, Page 146.

NEW QUESTION # 172
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