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HP Aruba Data Center Network Specialist HPE2-W09 Exam Questions
Question 1
Is this part of a valid strategy for load sharing traffic across the links in an Ethernet Ring Protection Switching (ERPS) ring?
Solution: Combine multiple links between two data centers into link aggregations (but not multi-chassis ones).
Answer : A
Combine multiple links between two data centers into link aggregations (but not multi-chassis ones) is part of a valid strategy for load sharing traffic across the links in an Ethernet Ring Protection Switching (ERPS) ring. ERPS is a feature that provides loop prevention and fast convergence for Layer 2 networks that use ring topologies. ERPS can support link aggregation groups (LAGs) between two nodes in a ring as long as they are not multi-chassis LAGs (MC-LAGs). MC-LAGs are not supported by ERPS because they can create loops in the ring topology.
Question 2
Refer to the exhibits.
Is this how the switch handles the traffic?
Solution: A frame with destination MAC address, 00:50:56:15:16:28, arrives with a VLAN 10 tag on 1/1/1 on Switch-1. Switch-1 encapsulates the frame with VXLAN and an IP header destined to 192.168.1.2.
Answer : A
A frame with destination MAC address, 00:50:56:15:16:28, arrives with a VLAN 10 tag on 1/1/1 on Switch-1. Switch-1 encapsulates the frame with VXLAN and an IP header destined to 192.168.1.2 is a correct explanation of how the switch handles the traffic. Switch-1, Switch-2, and Switch-3 are ArubaOS-CX switches that use VXLAN and EVPN to provide Layer 2 extension over Layer 3 networks. VXLAN is a feature that uses UDP encapsulation to tunnel Layer 2 frames over Layer 3 networks using VNIs. EVPN is a feature that uses BGP to advertise MAC and IP addresses of hosts connected to VTEPs. Switch-1 receives a frame with destination MAC address, 00:50:56:15:16:28, which belongs to VM-2 on Switch-3. Switch-1 learns from EVPN that VM-2 is reachable through VTEP 192.168.1.2, which is Switch-3's loopback interface.Switch-1 encapsulates the frame with VXLAN and an IP header destined to 192.168.1.2 and sends it over the underlay network1.
Question 3
Is this part of a valid strategy for load sharing traffic across the links in an Ethernet Ring Protection Switching (ERPS) solution?
Solution: Create two ERPS instances for the ring and assign different VLANs and different ring protection links (RPL) to each instance.
Answer : A
Creating two ERPS instances for the ring and assigning different VLANs and different RPLs to each instance is part of a valid strategy for load sharing traffic across the links in an ERPS solution1.ERPS is a protocol that provides protection and recovery for Ethernet traffic in a ring topology1.It uses a RPL to block one of the links in the ring and prevent loops1.By creating two ERPS instances with different RPLs, you can use both links in the ring for different VLANs and achieve load sharing1.
Question 4
Does this correctly describe Network Analytics Engine (NAE) limitations on ArubaOS-CX switches?
Solution: You can check whether a switch has reached its NAE limitations with the "show capacities-status nae" command.
Answer : A
Network Analytics Engine (NAE) is a built-in analytics framework for network assurance and remediation on ArubaOS-CX switches. NAE allows monitoring, troubleshooting, and proactive network management using scripts and agents.However, NAE has some limitations on the number of scripts, agents, and monitors that can run on a switch, depending on the switch model and software version1. You can check whether a switch has reached its NAE limitations with the ''show capacities-status nae'' command, which displays the current and maximum number of scripts, agents, and monitors supported on the switch. Therefore, this correctly describes NAE limitations on ArubaOS-CX switches.
Question 5
Is this a rule for configuring schedule profiles on an ArubaOS-CX switch?
Solution: With the exception of a single strict priority queue, all queues must use the same scheduling algorithm.
Answer : A
With the exception of a single strict priority queue, all queues must use the same scheduling algorithm is a rule for configuring schedule profiles on an ArubaOS-CX switch. A schedule profile defines how traffic is scheduled across different queues on an interface. Each queue can have one of three scheduling algorithms: strict priority (SP), weighted round robin (WRR), or weighted fair queuing (WFQ).However, only one queue can have SP, and all other queues must have either WRR or WFQ1.
Question 6
You need to integrate Aruba Fabric Composer (AFC) with customer datacenter software. Is this integration possible?
Solution: Aruba Fabric Composer (AFC) with HPE StoreServ Management Console (SSMC)
Answer : A
Aruba Fabric Composer (AFC) with HPE StoreServ Management Console (SSMC) integration is possible.AFC is a software-defined networking solution that simplifies the management and orchestration of data center networks1.It can integrate with various data center software, such as VMware, Ansible, and Kubernetes1.SSMC is a web-based management tool that provides a unified interface for managing HPE 3PAR StoreServ storage systems2.AFC can integrate with SSMC to discover and visualize the storage network infrastructure and provide end-to-end visibility and troubleshooting1.
https://www.arubanetworks.com/products/switches/core-and-data-center/fabric-composer/
Question 7
Two ArubaOS-CX switches ate part of a Virtual Switching Extension (V5X) fabric. Is this a guideline for configuring the switches' link-up delay settings?
Solution: Set the link-up delay timer based on the number of MAC forwarding, ARP, and routing table entries.
Answer : A
Set the link-up delay timer based on the number of MAC forwarding, ARP, and routing table entries is a guideline for configuring the switches' link-up delay settings for Virtual Switching Extension (VSX) fabric. The link-up delay timer defines how long a VSX node waits before advertising link state changes to its peer node.This allows the node to synchronize its MAC forwarding, ARP, and routing tables with its peer node before sending or receiving traffic on the newly activated link1.
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