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Free HPE6-A84 Exam Braindumps (page: 3)

Page 3 of 16
PDF with 60 Questions

Refer to the scenario.

A customer is migrating from on-prem AD to Azure AD as its sole domain solution. The customer also manages both wired and wireless devices with Microsoft Endpoint Manager (Intune).

The customer wants to improve security for the network edge. You are helping the customer design a ClearPass deployment for this purpose. Aruba network devices will authenticate wireless and wired clients to an Aruba ClearPass Policy Manager (CPPM) cluster (which uses version 6.10).

The customer has several requirements for authentication. The clients should only pass EAP-TLS authentication if a query to Azure AD shows that they have accounts in Azure AD. To further refine the clients' privileges, ClearPass also should use information collected by Intune to make access control decisions.

Assume that the Azure AD deployment has the proper prerequisites established.

You are planning the CPPM authentication source that you will reference as the authentication source in 802.1X services.

How should you set up this authentication source?

  1. As Kerberos type
  2. As Active Directory type
  3. As HTTP type, referencing the Intune extension
  4. AS HTTP type, referencing Azure AD's FODN

Answer(s): D

Explanation:

An authentication source is a configuration element in CPPM that defines how to connect to an external identity provider and retrieve user or device information . CPPM supports various types of authentication sources, such as Active Directory, LDAP, SQL, Kerberos, and HTTP . To authenticate wireless and wired clients to Azure AD, you need to set up an authentication source as HTTP type, referencing Azure AD's FQDN . This type of authentication source allows CPPM to use REST API calls to communicate with Azure AD and validate the user or device credentials . You also need to configure the OAuth 2.0 settings for the authentication source, such as the client ID, client secret, token URL, and resource URL .
To use information collected by Intune to make access control decisions, you need to set up another authentication source as HTTP type, referencing the Intune extension . This type of authentication source allows CPPM to use REST API calls to communicate with Intune and retrieve the device compliance status . You also need to configure the OAuth 2.0 settings for the authentication source, such as the client ID, client secret, token URL, and resource URL .



Refer to the scenario.

A customer requires these rights for clients in the "medical-mobile" AOS firewall role on Aruba Mobility Controllers (MCs):

Permitted to receive IP addresses with DHCP

Permitted access to DNS services from 10.8.9.7 and no other server

Permitted access to all subnets in the 10.1.0.0/16 range except denied access to 10.1.12.0/22

Denied access to other 10.0.0.0/8 subnets

Permitted access to the Internet

Denied access to the WLAN for a period of time if they send any SSH traffic

Denied access to the WLAN for a period of time if they send any Telnet traffic

Denied access to all high-risk websites

External devices should not be permitted to initiate sessions with "medical-mobile" clients, only send return traffic.

The exhibits below show the configuration for the role.



There are multiple issues with the configuration.

What is one of the changes that you must make to the policies to meet the scenario requirements? (In the options, rules in a policy are referenced from top to bottom. For example, "medical-mobile" rule 1 is "ipv4 any any svc-dhcp permit," and rule 8 is "ipv4 any any any permit'.)

  1. In the "medical-mobile" policy, change the source in rule 1 to "user."
  2. In the "medical-mobile" policy, change the subnet mask in rule 3 to 255.255.248.0.
  3. In the "medical-mobile" policy, move rules 6 and 7 to the top of the list.
  4. Move the rule in the "apprf-medical-mobile-sacl" policy between rules 7 and 8 in the "medical- mobile" policy.

Answer(s): C

Explanation:

Rules 6 and 7 in the "medical-mobile" policy are used to deny access to the WLAN for a period of time if the clients send any SSH or Telnet traffic, as required by the scenario. However, these rules are currently placed below rule 5, which permits access to the Internet for any traffic. This means that rule 5 will override rules 6 and 7, and the clients will not be denied access to the WLAN even if they send SSH or Telnet traffic.
To fix this issue, rules 6 and 7 should be moved to the top of the list, before rule. This way, rules 6 and 7 will take precedence over rule 5, and the clients will be denied access to the WLAN if they send SSH or Telnet traffic, as expected.



What is a common characteristic of a beacon between a compromised device and a command and control server?

  1. Use of IPv6 addressing instead of IPv4 addressing
  2. Lack of encryption
  3. Use of less common protocols such as SNAP
  4. Periodic transmission of small, identically sized packets

Answer(s): D

Explanation:

A beacon is a type of network traffic that is sent from a compromised device to a command and control (C2) server, which is a remote system that controls the malicious activities of the device . A beacon is used to establish and maintain communication between the device and the C2 server, as well as to receive instructions or exfiltrate data .
A common characteristic of a beacon is that it is periodic, meaning that it is sent at regular intervals, such as every few minutes or hours . This helps the C2 server to monitor the status and availability of the device, as well as to avoid detection by network security tools . Another common characteristic of a beacon is that it is small and identically sized, meaning that it contains minimal or fixed amount of data, such as a simple acknowledgment or a random string . This helps the device to conserve bandwidth and resources, as well as to avoid detection by network security tools .



Refer to the scenario.

A hospital has an AOS10 architecture that is managed by Aruba Central. The customer has deployed a pair of Aruba 9000 Series gateways with Security licenses at each clinic. The gateways implement IDS/IPS in IDS mode.

The Security Dashboard shows these several recent events with the same signature, as shown below:



Which step could give you valuable context about the incident?

  1. View firewall sessions on the APs and record the threat sources' type and OS.
  2. View the user-table on APs and record the threat sources' 802.11 settings.
  3. View the RAPIDS Security Dashboard and see if the threat sources are listed as rogues.
  4. Find the Central client profile for the threat sources and note their category and family.

Answer(s): C

Explanation:

The RAPIDS Security Dashboard is a feature of Aruba Central that provides a comprehensive view of the network security status, including IDS/IPS events, rogue APs, and wireless intrusion detection. By viewing the RAPIDS Security Dashboard, you can see if the threat sources are rogue APs that are spoofing legitimate DNS servers or clients. This can give you valuable context about the incident and help you identify the root cause of the attack1


Reference:

Aruba Central User Guide



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fabio commented on September 09, 2024
great work at all
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