A company has added a new user group. Users in the group try to connect to the WLAN and receive errors that the connection has no Internet access. The users cannot reach any resources. The first exhibit shows the record for one of the users who cannot connect. The second exhibit shows the role to which the ArubaOS device assigned the user's client.
What is a likely problem?

• A.The ArubaOS device has a server derivation rule configured on it that has overridden the role sent by CPPM.
• B.The ArubaOS device does not have the correct RADIUS dictionaries installed on it to under-stand the Aruba-User-Role VSA.
• C.The role name that CPPM is sending does not match the role name configured on the Aru-baOS device.
• D.The clients rejected the server authentication on their side because they do not have the root CA for CPPM's RADIUS/EAP certificate.

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How can ARP be used to launch attacks?

• A.Hackers can use ARP to change their NIC's MAC address so they can impersonate legiti-mate users.
• B.Hackers can exploit the fact that the port used for ARP must remain open and thereby gain remote access to another user's device.
• C.A hacker can use ARP to claim ownership of a CA-signed certificate that actually belongs to another device.
• D.A hacker can send gratuitous ARP messages with the default gateway IP to cause devices to redirect traffic to the hacker's MAC address.

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Refer to the exhibit.

You are deploying a new ArubaOS Mobility Controller (MC), which is enforcing authentication to Aruba ClearPass Policy Manager (CPPM). The authentication is not working correctly, and you find the error shown In the exhibit in the CPPM Event Viewer.
What should you check?

• A.that the MC has valid admin credentials configured on it for logging into the CPPM
• B.that the IP address that the MC is using to reach CPPM matches the one defined for the device on CPPM
• C.that the MC has been added as a domain machine on the Active Directory domain with which CPPM is synchronized
• D.that the snared secret configured for the CPPM authentication server matches the one defined for the device on CPPM

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Why might devices use a Diffie-Hellman exchange?

• A.to agree on a shared secret in a secure manner over an insecure network
• B.to obtain a digital certificate signed by a trusted Certification Authority
• C.to prove knowledge of a passphrase without transmitting the passphrase
• D.to signal that they want to use asymmetric encryption for future communications

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What is one way that WPA3-Enterprise enhances security when compared to WPA2-Enterprise?

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

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