QUESTION: 53

What is a key difference between an Aruba Air Monitor (AM) and an Aruba Spectrum Analyzer (SA)?

An AM detects threats such as rogue APs, while an SA analyzes RF conditions.
An AM detects rogue APs and provides data services to clients, while an SA only detects rogue APs.
An AM scans on only one 802.11 frequency band, while an SA scans on both 802.11 frequency bands.
An AM both detects wireless intrusion attempts and mitigates them, while an SA only detects wireless intrusion attempts.

Answer(s): A

Refer to the exhibits.

Network administrators use the Aruba Mobility Master (MM) wizard to create a WLAN and do not manually alter any of the profiles for that WLAN. The exhibits show some of the settings for the WLAN. Some wireless users cannot successfully connect to the WLAN. Network administrators attempt to connect on their own machines with a test account, and the connection is successful. They attempt to connect with the same account on user clients, and the connection fails.

Which issue could prevent authentication from completing correctly?

The user clients have unauthorized MAC addresses, so the RADIUS server rejects the authentication even though the username and password are correct.
The user clients do not trust the RADIUS server certificate and are configured not to prompt users to trust new certificates.
Some access points (APs) are not configured as clients on the RADIUS server, so user clients connected to them cannot authenticate.
The RADIUS server has reached the maximum number of RADIUS clients that it can support, so it rejects new wireless clients.

Answer(s): B

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QUESTION: 55

Refer to the exhibits.
Exhibit 1

An Aruba solution supports a WLAN that uses WPA2-Enterprise security. Exhibit 1 shows the AAA policy for the WLAN. Users are supposed to be assigned to different roles after authentication. Network administrators test a connection with the employee user account. Exhibit 2 shows the status for the client after this test.

What is a possible reason for the issue shown in Exhibit 2?

The shared key configured for the ClearPass server is incorrect.
The RADIUS server is not correctly set up to send a user role for the employee account.
MAC authentication is enabled on the WLAN, and the test device does not have an authorized address.
The administrators entered the wrong password for the employee account.

Answer(s): B

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QUESTION: 56

A network administrator uses a wireless intrusion detection system (WIDS) to detect 802.11 association floods. At which layer do these attacks occur?

Layer 1
Layer 2
Layer 3
Layer 7

Answer(s): B

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