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Free HPE7-A01 Exam Braindumps (page: 11)

Page 10 of 30
PDF with 119 Questions

What is an Aruba-recommended best practice for hardening that only applies to Aruba CX 6300 series switches with dedicated management ports?

  1. Implement a control plane ACL to limit access to approved IPs and/or subnets
  2. Manually enable Enhanced Security Mode from a console session.
  3. Disable all management services on the default VRF.
  4. Create a dedicated management VRF, and assign the management port to it.

Answer(s): D

Explanation:

This is an Aruba-recommended best practice for hardening that only applies to Aruba CX 6300 series switches with dedicated management ports. A dedicated management port is a physical port that is used exclusively for out-of-band management access to the switch. A dedicated management VRF is a virtual routing and forwarding instance that isolates the management traffic from other traffic on the switch. By creating a dedicated management VRF and assigning the management port to it, the administrator can enhance the security and performance of the management access to the switch. The other options are incorrect because they either do not apply to switches with dedicated management ports or do not follow Aruba-recommended best practices.


Reference:

https://www.arubanetworks.com/assets/ds/DS_AOS-CX.pdf https://www.arubanetworks.com/assets/tg/TB_ArubaCX_Switching.pdf



What is enabled by LLDP-MED? (Select two.)

  1. Voice VLANs can be automatically configured for VoIP phones
  2. APs can request power as needed from PoE-enabled switch ports
  3. iSCSl client devices can request to have flow control enabled
  4. GVRP VLAN information can be used to dynamically add VLANs to a trunk
  5. iSCSl client devices can set the required MTU setting for the port.

Answer(s): A,B

Explanation:

These are two benefits enabled by LLDP-MED (Link Layer Discovery Protocol - Media Endpoint Discovery). LLDP-MED is an extension of LLDP that provides additional capabilities for network devices such as VoIP phones and APs. One of the capabilities is to automatically configure voice VLANs for VoIP phones, which allows them to be placed in a separate VLAN from data devices and receive QoS and security policies. Another capability is to request power as needed from PoE- enabled switch ports, which allows APs to adjust their power consumption and performance based on the available power budget. The other options are incorrect because they are either not enabled by LLDP-MED or not related to LLDP-MED.


Reference:

https://www.arubanetworks.com/techdocs/ArubaOS_86_Web_Help/Content/arubaos- solutions/wlan-qos/lldp-med.htm https://www.arubanetworks.com/techdocs/ArubaOS_86_Web_Help/Content/arubaos- solutions/wlan-rf/poe.htm



You need to ensure that voice traffic sent through an ArubaOS-CX switch arrives with minimal latency What is the best scheduling technology to use for this task?

  1. Strict queuing
  2. Rate limiting
  3. QoS shaping
  4. DWRR queuing

Answer(s): A

Explanation:

Strict queuing is the best scheduling technology to use for voice traffic on an AOS-CX switch. Scheduling is a mechanism that determines how packets are transmitted from different queues on an egress port. Strict queuing is a scheduling method that gives the highest priority queue absolute preference over all other queues, regardless of their size or utilization. Voice traffic should be assigned to the highest priority queue and scheduled with strict queuing to ensure minimal latency and jitter. The other options are incorrect because they are either not scheduling methods or not optimal for voice traffic.


Reference:

https://www.arubanetworks.com/techdocs/AOS- CX/10.04/HTML/5200-6728/bk01-ch02.html https://www.arubanetworks.com/techdocs/AOS- CX/10.04/HTML/5200-6728/bk01-ch03.html



You are helping an onsite network technician bring up an Aruba 9004 gateway with ZTP for a branch office The technician was to plug in any port for the ZTP process to start Thirty minutes after the gateway was plugged in new users started to complain they were no longer able to get to the internet. One user who reported the issue stated their IP address is 172.16 0.81 However, the branch office network is supposed to be on 10.231 81.0/24.
What should the technician do to alleviate the issue and get the ZTP process started correctly?

  1. Turn off the DHCP scope on the gateway, and set DNS correctly on the gateway to reach Aruba Activate
  2. Move the cable on the gateway from port G0/0V1 tc port G0 0.0
  3. Move the cable on the gateway to G0/0/1. and add the device's MAC and Serial number in Central
  4. Factory default and reboot the gateway to restart the process.

Answer(s): B

Explanation:

Aruba 9004 gateway supports ZTP on port G0/0/0 by default. If the gateway is connected to a different port, such as G0/0/V1, it will not be able to communicate with Aruba Activate and Aruba Central, which are required for ZTP2. Moreover, port G0/0/V1 is configured as a DHCP server by default, which can cause IP address conflicts with the existing network. Therefore, the technician should move the cable on the gateway to port G0/0/0, which will allow the gateway to obtain an IP address from the network DHCP server and start the ZTP process. The other options are not correct because they will not solve the issue or enable ZTP. For example, option D will not work because factory defaulting and rebooting the gateway will not change the port configuration or behavior.






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