Most Recent HPE6-A84 Exam Questions & Answers

Prepare for the HP Aruba Certified Network Security Expert Written Exam exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the HPE6-A84 exam and achieve success.

The questions for HPE6-A84 were last updated on Dec 31, 2024.

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Question No. 1

Which element helps to lay the foundation for solid network security forensics?

AEnable BPDU protection and loop protection on edqe switch ports

BEnabling debug-level information for network infrastructure device logs

CImplementing 802.1X authentication on switch ports that connect to APs

DEnsuring that all network devices use a correct, consistent clock

Show Answer

Correct Answer: D

This is because network forensics relies on the analysis of network traffic data, which is often time-stamped by the devices that generate or transmit it.Having a synchronized and accurate clock across all network devices helps to establish a reliable timeline of events and correlate different sources of evidence12

A)Enable BPDU protection and loop protection on edge switch ports is not related to network security forensics, but rather to preventing network loops and topology changes caused by rogue switches or bridges3

B) Enabling debug-level information for network infrastructure device logs might provide more details about the network activity, but it also consumes more resources and storage, and might not be relevant or useful for forensic analysis.Moreover, debug-level information might not be available for long-term retention or legal purposes4

C) Implementing 802.1X authentication on switch ports that connect to APs is a good security practice to prevent unauthorized access to the network, but it does not directly help with network security forensics.802.1X authentication does not capture or record network traffic data, which is the main source of evidence for network forensics

Question No. 2

How does Aruba Central handle security for site-to-site connections between AOS 10 gateways?

AIt uses an Aruba proprietary integrity and encryption technologies to secure site-to-site connections, making them resistant to zero day attacks.

BIt automatically establishes IPsec tunnels for all site-to-site (all HUBs and Branches) connections using keys securely distributed by Central.

CIt automatically steers traffic away from Internet-based connections to more secure MPLS connections to reduce encryption overhead.

DIt automatically establishes simple-to-manage and highly secure TLSv1.3 tunnels between gateways.

Show Answer

Correct Answer: B

Aruba Central supports site-to-site VPNs between AOS 10 gateways, which are Aruba devices that provide routing, firewall, and VPN functions. Aruba Central can automatically provision and manage the site-to-site VPNs using the VPN Manager feature.The VPN Manager allows you to create VPN groups that consist of one or more hubs and branches, and define the VPN settings for each group1

Aruba Central uses IPsec as the protocol to secure the site-to-site connections between the AOS 10 gateways. IPsec is a standard protocol that provides encryption, authentication, and integrity for IP packets. Aruba Central automatically establishes IPsec tunnels for all site-to-site connections using keys that are securely distributed by Central. The keys are generated by Central and pushed to the gateways using a secure channel.The keys are rotated periodically to enhance security2

Question No. 3

Refer to the scenario.

A customer has an AOS10 architecture that is managed by Aruba Central. Aruba infrastructure devices authenticate clients to an Aruba ClearPass cluster.

In Aruba Central, you are examining network traffic flows on a wireless IoT device that is categorized as ''Raspberry Pi'' clients. You see SSH traffic. You then check several more wireless IoT clients and see that they are sending SSH also.

You want a relatively easy way to communicate the information that an IoT client has used SSH to Aruba CPPM.

What is one prerequisite?

AEnable event processing on subscribers in the ClearPass cluster.

BIn CPPM's CA trust list, add the Aruba Infrastructure usage to the DigiCert certificate.

CObtain a data collector token from Central's platform integration settings.

DCreate an API application and token within the REST API settings.

Show Answer

Correct Answer: C

Question No. 4

Refer to the exhibit.

Which IP address should you record as a possibly compromised client?

A10.1.26.151

B10.1J.100

C10.1.26.1

D10.254.1.21

Show Answer

Correct Answer: A

The exhibit shows a screenshot of a Malwarebytes alert that indicates that a website was blocked due to compromise. The alert contains the following information:

The type of protection: Web Protection

The website that was blocked: 10.254.1.21

The port that was used: 80

The process that initiated the connection: C:\Program Files (x86)\Google\Chrome\Application\chrome.exe

The IP address of the device that initiated the connection: 10.1.26.151

The IP address of the device that initiated the connection is the one that should be recorded as a possibly compromised client, as it indicates that the device tried to access a malicious website that could infect it with malware or steal its data. In this case, the IP address of the possibly compromised client is 10.1.26.151.

Question No. 5

Refer to the exhibit.

Which security issue is possibly indicated by this traffic capture?

AAn attempt at a DoS attack by a device acting as an unauthorized DNS server

BA port scan being run on the 10.1.7.0/24 subnet

CA command and control channel established with DNS tunneling

DAn ARP poisoning or man-in-the-middle attempt by the device at 94:60:d5:bf:36:40

Show Answer

Correct Answer: C

DNS tunneling is a technique that abuses the DNS protocol to tunnel data or commands between a compromised host and an attacker's server.DNS tunneling can be used to establish a command and control channel, which allows the attacker to remotely control the malware or exfiltrate data from the infected host1

The traffic capture in the exhibit shows some signs of DNS tunneling. The source IP address is 10.1.7.2, which is likely an internal host behind a firewall. The destination IP address is 8.8.8.8, which is a public DNS resolver. The DNS queries are for subdomains of badsite.com, which is likely a malicious domain registered by the attacker. The subdomains have long and random names, such as 0x2a0x2a0x2a0x2a0x2a0x2a0x2a0x2a.badsite.com, which could be used to encode data or commands.The DNS responses have large sizes, such as 512 bytes, which could be used to carry data or commands back to the host2

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