Download Aruba Certified Network Security Expert Written.HPE6-A84.VCEplus.2023-09-18.19q.tqb
| Vendor: | HP |
| Exam Code: | HPE6-A84 |
| Exam Name: | Aruba Certified Network Security Expert Written |
| Date: | Sep 18, 2023 |
| File Size: | 5 MB |
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Demo Questions
Question 1
Refer to the exhibit.
Which security issue is possibly indicated by this traffic capture?
- An attempt at a DoS attack by a device acting as an unauthorized DNS server
- A port scan being run on the 10.1.7.0/24 subnet
- A command and control channel established with DNS tunneling
- An ARP poisoning or man-in-the-middle attempt by the device at 94:60:d5:bf:36:40
Correct answer: C
Explanation:
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 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
Question 2
You are working with a developer to design a custom NAE script for a customer. You are helping the developer find the correct REST API resource to monitor.
Refer to the exhibit below.
What should you do before proceeding?
- Go to the v1 API documentation interface instead of the v10.10 interface.
- Use your Aruba passport account and collect a token to use when trying out API calls.
- Enable the switch to listen to REST API calls on the default VRF.
- Make sure that your browser is set up to store authentication tokens and cookies.
Correct answer: B
Explanation:
The exhibit shows the ArubaOS-CX REST API documentation interface, which allows you to explore the available resources and try out the API calls using the "Try it out" button. However, before you can use this feature, you need to authenticate yourself with your Aruba passport account and collect a token that will be used for subsequent requests. This token will expire after a certain time, so you need to refresh it periodically. You can find more details about how to use the documentation interface and collect a token in the ArubaOS-CX REST API Guide1. The exhibit shows the ArubaOS-CX REST API documentation interface, which allows you to explore the available resources and try out the API calls using the "Try it out" button. However, before you can use this feature, you need to authenticate yourself with your Aruba passport account and collect a token that will be used for subsequent requests. This token will expire after a certain time, so you need to refresh it periodically. You can find more details about how to use the documentation interface and collect a token in the ArubaOS-CX REST API Guide1.
Question 3
A customer has an AOS 10 architecture, consisting of Aruba AP and AOS-CX switches, managed by Aruba Central. The customer wants to obtain information about the clients, such as their general category and OS.
What should you explain?
- The customer must deploy Aruba gateways in order to receive any client profiling information.
- You will need to set up Aruba Central as a secondary IP helper for client VLANs, but this will not interfere with existing operations.
- Aruba Central will automatically derive this information using telemetry from the Aruba devices.
- The customer should set up a dedicated switch VSX group to sniff packets and direct them to Aruba Central.
Correct answer: C
Explanation:
Aruba Central can provide visibility and profiling of clients using the Client Insights feature, which is an AI-powered solution that uses native infrastructure telemetry to identify and classify clients based on their OS and general category. This feature does not require any additional hardware or software, such as gateways, IP helpers, or packet sniffers. It works by collecting and analyzing data from the Aruba APs and AOS-CX switches that are managed by Aruba Central. You can find more information about Client Insights in the Visibility and profiling solutions | HPE Aruba Networking page and the Clients Profile - Aruba page. Aruba Central can provide visibility and profiling of clients using the Client Insights feature, which is an AI-powered solution that uses native infrastructure telemetry to identify and classify clients based on their OS and general category. This feature does not require any additional hardware or software, such as gateways, IP helpers, or packet sniffers. It works by collecting and analyzing data from the Aruba APs and AOS-CX switches that are managed by Aruba Central. You can find more information about Client Insights in the Visibility and profiling solutions | HPE Aruba Networking page and the Clients Profile - Aruba page.
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