最新的HP ACMA認證 HPE6-A70考試題庫

問題1

A company deploys a wireless network in a typical office environment with many surfaces where the signal can bounce. Which 802.11 technology uses the characteristics of this environment to increase wireless speeds?

A. Transmit Power Control (TPC)

B. QAM modulation

C. Multiple Input Multiple Output (MIMO)

D. Channel bonding

正確答案: C

問題2

Refer to the exhibits.
Exhibit 1

Exhibit 2

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?

A. Some access points (APs) are not configured as clients on the RADIUS server, so user clients connected to them cannot authenticate.

B. The user clients do not trust the RADIUS server certificate and are configured not to prompt users to trust new certificates.

C. The RADIUS server has reached the maximum number of RADIUS clients that it can support, so it rejects new wireless clients.

D. The user clients have unauthorized MAC addresses, so the RADIUS server rejects the authentication even though the username and password are correct.

正確答案: B

問題3

Refer to the exhibits.
Exhibit 1

Exhibit 2

A network administrator configures a guest WLAN on an Aruba Mobility Master (MM)-based solution. The exhibits show some of the settings for this WLAN.
Which settings must the administrator configure on each Mobility Controller (MC) at the device level for this configuration to function properly?

A. CPSec certificates

B. a portal page

C. VLAN 99 IP settings

D. an IPsec preshared key

正確答案: C

問題4

A company has a Mobility Master (MM)-based solution. There is a hardware issue with the MM appliance, and, as result, all connectivity is lost between the appliance and the network. The network manager is concerned about how this will impact licensing.
How will the Mobility Controller (MC) be affected?

A. The MC contacts Aruba Activate and uses the licensing limits defined there.

B. The MC maintains only licenses that have been locally installed on it.

C. The MC maintains its current licenses for 30 days.

D. The MC loses all licenses and cannot support APs or clients.

正確答案: C

問題5

A network administrator examines a list of 2.4GHz clients with low performance in the Mobility Master (MM) dashboard. Which property for a client should pose a concern as a potential performance issue?

A. Radio PHY of HT 20MHz

B. Usage of 10 MB

C. SNR of 18

D. Max speed of 72Mbps

正確答案: C

問題6

A company plans to deploy a Mobility Master (MM). The MM will manage 50 Mobility Controller (MC) appliances that will control a total of 700 APs, and 10 Virtual Mobility Controllers (VMCs) that will control a total of 200 APs.
How many MM licenses does the company require?

A. 900

B. 60

C. 210

D. 960

正確答案: D

說明：（僅 VCESoft 成員可見）

問題7

A WLAN in an Aruba Mobility Master (MM)-based solution enforces Enterprise-WPA2 security and uses the tunnel forwarding mode. The company has an external RADIUS server.
Which device exchanges RADIUS packets with the RADIUS server?

A. Mobility Controller (MC)

B. wireless client

C. access point (AP)

D. Mobility Master (MM)

正確答案: A

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