Try Free HP HPE7-A01 Updated Questions & Answers

Question 1

A new network design is being considered to minimize client latency in a high-density environment. The design needs to do this by eliminating contention overhead by dedicating subcarriers to clients.

Which technology is the best match for this use case?

AOFDMA

BMU-MIMO

CQWMM

DChannel Bonding

Correct answer: A

OFDMA (Orthogonal Frequency Division Multiple Access) is a technology that can minimize client latency in a high-density environment by eliminating contention overhead by dedicating subcarriers to clients. OFDMA allows multiple clients to transmit simultaneously on different subcarriers within the same channel, reducing contention and increasing efficiency. MU-MIMO (Multi-User Multiple Input Multiple Output) is a technology that allows multiple clients to transmit simultaneously on different spatial streams within the same channel, but it does not eliminate contention overhead. QWMM (Quality of Service Wireless Multimedia) is a technology that prioritizes traffic based on four access categories, but it does not eliminate contention overhead. Channel Bonding is a technology that combines two adjacent channels into one wider channel, increasing bandwidth but not eliminating contention overhead. Reference: https://www.arubanetworks.com/assets/ds/DS_AP510Series.pdf https://www.arubanetworks.com/assets/wp/WP_WiFi6.pdf

Question 2

On AOS10 Gateways, which device persona is only available when configuring a Gateway-only group'?

AEdge

BMobility

CBranch

DVPN Concentrator

Correct answer: B

AOS 10 Gateways can have the following personas: Mobility, Branch, and VPN Concentrator1However, the Mobility persona is only available when configuring a Gateway-only group, which is a group that contains only one gateway device2The Mobility persona provides Overlay WLAN and (or) wired LAN functionalities for campus networks1The Branch persona provides the Aruba Instant OS and SD-Branch (LAN + WAN) functionality for branch and microbranch networks1The VPN Concentrator persona provides VPN termination and routing functionality for remote access networks3The Edge persona is not a valid option, as it is not a supported device persona for AOS 10 Gateways.

Question 3

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?

AStrict queuing

BRate limiting

CQoS shaping

DDWRR queuing

Correct answer: A

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

Question 4

Which statements regarding 0SPFv2 route redistribution are true for Aruba OS CX switches? (Select two.)

AThe 'redistribute connected' command will redistribute all connected routes for the switch including local loopback addresses

BThe 'redistribute ospf' command will redistribute routes from all OSPF V2 and V3 processes

CThe 'redistribute static route-map connected-routes' command will redistribute all static routes without a matching deny in the route map 'connected-routes'.

DThe 'redistribute connected' command will redistribute all connected routes for the switch except local loopback addresses.

EThe 'redistribute static route-map connected-routes' command will redistribute all static routes with a matching permit in the route map 'connected-routes-

Correct answer: A, E

These are two correct statements regarding OSPFv2 route redistribution for Aruba OS CX switches. Route redistribution is a process that allows routes from one routing protocol or source to be injected into another routing protocol or destination. OSPFv2 is a link-state routing protocol that supports route redistribution from various sources, such as connected, static, BGP, etc. The ''redistribute connected'' command will redistribute all connected routes for the switch, including local loopback addresses, into OSPFv2. The ''redistribute static route-map connected-routes'' command will redistribute all static routes that have a matching permit statement in the route map named ''connected-routes'' into OSPFv2. The other statements are incorrect because they either do not reflect the correct behavior of route redistribution commands or do not exist as valid commands. 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

Question 5

Refer to the exhibit.

A company has deployed 200 AP-635 access points. To but is not working as expected

What would be the correct action to fix the issue?

AChange the SSID to WPA3-Enhanced Open

BChange the SSID to WPA3-Enterprise (CCM).

CChange the SSID to WPA3-Personal

DChange the SSID to WPA3-Enterpnse (CNSA).

Correct answer: D

According to the Aruba Campus Access Professional documents1, WPA3-Enterprise is a security mode that supports 802.1X authentication and encryption with either AES-CCM or AES-GCMP.WPA3-Enterprise also optionally adds usage of Suite-B 192-bit minimum-level security suite that is aligned with Commercial National Security Algorithm (CNSA) for enterprise networks2. This mode provides the highest level of security and is suitable for government and financial institutions.

The exhibit shows that the SSID is configured with WPA3-Enterprise (CCM), which uses AES-CCM as the encryption protocol. However, this mode is not compatible with some devices that require CNSA compliance. Therefore, changing the SSID to WPA3-Enterprise (CNSA) would fix the issue and allow all devices to connect to the network.

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