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HPE6-A79 Online Practice Questions and Answers

Questions 4

A network administrator has racked up a 7210 Mobility Controller (MC) that will be terminating 200+ Aps on a medium-size branch office. Next, the technician cabled the appliance with 4SPF+ Direct Attached Cables (DACs) distributed between two-member switching stack and powered it up.

What must the administrator do next in the MCs to assure maximum wired bandwidth utilization?

A. Map the four physical ports to port channel 0.

B. Disable spanning tree and allocate unique VLANs to each port.

C. Manually set 10Gbps speeds on all ports.

D. Configure the same MSTP region that the switches have.

E. Make all ports trunk interfaces and permit data VLANs.

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Questions 5

Refer to the exhibits.

A user reports slow connectivity to a network administrator when connecting to AP-Garden and suggests that there might be a problem with the WLAN. The user's device supports 802.11n in the 2.4 GHz band. The network administrator finds the user in the Mobility Master (MM) and reviews the output shown in the exhibit.

What can the network administrator conclude after analyzing the data?

A. 2.4Ghz band is currently congested, therefore a NIC upgrade to 802.11ac or higher is recommended so the user can move to 5Ghz.

B. Channel usage is high and though this device has high speed the overall client rate is low on AP-Garden, there could be a few clients monopolizing the airtime on both bands at low speeds.

C. User's SNR value over time is lower than recommended, therefore he should either get closer to the Access Point or increase the transmit power.

D. 365s are low cost outdoor APs recommended for coverage design only. AP-Garden currently has more clients than recommended and is getting congested.

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Questions 6

Users run encrypted Skype for Business traffic with no WMM support over an Aruba Mobility Master (MM) - Mobility Controller (MC) based network. When voice, video, and application sharing traffic arrive at the wired side of the network, all the flows look alike due to the lack of L2 and L3 markings

How can the network administrator identify these flows and mark QoS accordingly?

A. Confirm the MC is the Openflow controller of the MMs and Openflow is enabled in VAP and the firewall roles. Then enable WMM in a VAP profile.

B. Use a media firewall policy that match these three flows, and use permit and TOS actions with 56, 40, and 34 values for voice, video, and application sharing, respectively. Then enable the Skype4Business ALG in the UCC profiles.

C. Confirm the MC is the Openflow controller of the MMs and Openflow is enabled in VAP and the firewall roles. Then enable the Skype4Business ALG in the UCC profiles.

D. Confirm the MM is the Openflow controller of the MCs and Openflow is enabled in VAP and the firewall roles. Then integrate the MM with the Skype4Business SDN API, and enable the Skype4Business ALG in the UCC profiles.

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Questions 7

A software development company has 764 employees who work from home. The company also has small offices located in different cities throughout the world. During working hours, they use RAPs to connect to a datacenter to upload software code as well as interact with databases.

In the past two month, cabling issues have occurred connection to the 7240XM Mobility Controller (MC) that runs ArubaOS 8 and terminates the RAPs. These RAPs disconnect, affecting the users connected to the RAPs. This also causes problems with code uploads and database synchronizations. Therefore, the company decides to add a second 7240XM controller for redundancy.

How should the network administrator deploy both controllers in order to provide the redundancy while preventing failover events from disconnecting users?

A. Connect both controllers with common VLANs, and create an HA fast failover group with public addresses in the internet VLAN.

B. Connect both controllers with common VLANs, and create an L2-connected cluster using public addresses in the internet VLAN.

C. Connect both controllers with different VLANs, and create an L2-connected cluster using public addresses in the internet VLAN.

D. Connect both controllers with common VLANs, and configure LMS/BLMS values equal to public addresses in the internet VLAN.

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Questions 8

A network administrator assists with the migration of a WLAN from a third-party vendor to Aruba in different locations throughout the country. In order to manage the solution from a central point, the network administrator decides to deploy redundant Mobility Masters (MMs) in a datacenter that are reachable through the Internet.

Since not all locations own public IP addresses, the security team is not able to configure strict firewall polices at the datacenter without disrupting some MM to Mobility Controller (MC) communications. They are also concerned about exposing the MMs to unauthorized inbound connection attempts.

What should the network administrator do to ensure the solution is functional and secure?

A. Deploy an MC at the datacenter as a VPN concentrator.

B. Block all inbound connections, and instruct the MM to initiate the connection to the MCs.

C. Block all ports to the MMs except UDP 500 and 4500.

D. Install a PEFV license, and configure firewall policies that protect the MM.

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Questions 9

Refer to the exhibits. Exhibit 1

Exhibit 2

A network administrator adds a new Mobility Controller (MC) to the production Mobility Master (MM) and deploys APs that start broadcasting the employee SSID in the West wing of the building. Suddenly, the employees report client

disconnects. When accessing the MM the network administrator notices that the MC is unreachable, then proceeds to access the MC's console and obtains the outputs shown in the exhibits.

What should the network administrator do next to solve the current problem?

A. Open a TAC case and send the output of tar crash.

B. Kill two zombie processes then reboot the MC.

C. Verify the license pools in the MM.

D. Decommission the MC from the MM, and add it again.

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Questions 10

A network administrator wants to permit explicit SSH, FTP and HHTP(s) access to servers in the 10.100.20.5 to 10.100.20.31 range, all devices in 10.100.21.0/24 network, and a host with IP address 10.100.22.70. The services must work properly at all times.

Which configuration scripts accomplish this task with the fewer number of lines, while avoiding access to other devices not included in these ranges? (Choose two.)

A. Option A

B. Option B

C. Option C

D. Option D

E. Option E

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Questions 11

Refer to the exhibit.

A network administrator is validating client connectivity and executes the show command shown in the exhibit. Which authentication method was used by a wireless station?

A. EAP authentication

B. 802.1X machine authentication

C. MAC authentication

D. 802.1X user authentication

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Questions 12

Refer to the exhibit.

A network administrator has recently enabled WMM on the VAP's SSID profile and enabled UCC Skype4B ALG at the Mobility Master level. During testing, some voice and video conference calls were made, and it was concluded that the call quality has dramatically improved. However, end to end information isn't displayed in the call's details. Also, Skype4B app-sharing's performance is poor at times.

What must the administrator do next in order to enable end to end call visibility and QoS correction to app-sharing service?

A. Deploy the SDN API Software in the Skype4B Solution and point to the MM.

B. Increase the app-sharing DSCP value in the Skype4B ALG profile.

C. Enable UCC monitoring on the "default-controller" mgmt.-server profile.

D. Enable the App-sharing ALG profile at both MM and MD hierarchy levels.

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Questions 13

Refer to the exhibit.

The network administrator must ensure that the configuration will force users to authenticate periodically every eight hours. Which configuration is required to effect this change?

A. Set the reauth-period to 28800 enable reauthentication in the dot1x profile.

B. Set the reauth-period to 28800 enable reauthentication in the AAA profile.

C. Set the reauth-period to 28800 enable reauthentication in both dot1x and AAA profile.

D. Set the reauth-period to 28800 in the dot1x profile and enable reauthentication in the AAA profile.

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Exam Code: HPE6-A79
Exam Name: Aruba Certified Mobility Expert Written Exam
Last Update: Nov 24, 2024
Questions: 55
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