HP HP Certifications HPE2-W09 Questions & Answers

• Question 11:

  Refer to the exhibit.

  

  You need to set up an ArubaOS-CX switch to implement Virtual Extensible LAN (VXLAN) WITHOUT Ethernet VPN (EVPN). The exhibit Indicates which servers should be part of the same VXLANs and the desired VNls for the VXLANs. Assume that the network is already configured to permit each ArubaOS-CX switch to reach each other switch's loopback interface.

  Is this part of the process for setting up VXLAN to meet the requirements?

  Solution: On Switch-1, set 192.168.1.3 as a peer IP address in the VNI 5020 context.

  A. Yes

  B. No

  Correct Answer: A

  On Switch-1, set 192.168.1.3 as a peer IP address in the VNI 5020 context is part of the process for setting up VXLAN to meet the requirements of enabling servers to be part of the same VXLANs and VNIs as shown in the exhibit. Switch-1,

  Switch-2, and Switch-3 are ArubaOS-CX switches that use VXLAN to provide Layer 2 extension over Layer 3 networks without EVPN. VXLAN is a feature that uses UDP encapsulation to tunnel Layer 2 frames over Layer 3 networks using

  VNIs. To set up VXLAN without EVPN on Switch-1, you need to do the following steps:

  Configure loopback interfaces with IP addresses on each switch Configure VLAN interfaces with IP addresses on each switch Configure VXLAN interfaces with VNIs on each switch Configure peer IP addresses for each VNI on each switch

  Configure static routes or dynamic routing protocols to enable reachability between loopback interfaces On Switch-1, setting 192.168.1.3 as a peer IP address in the VNI 5020 context means that Switch-1 can send and receive VXLAN traffic

  for VNI 5020 to and from Switch-2, which has the loopback interface with IP address 192.168.1.3.

• Question 12:

  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.

  A. Yes

  B. No

  Correct 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 13:

  Refer to the exhibit.

  

  which shows the topology tot an Ethernet Ring Protection Switching (ERPS) solution. Is this a valid design for the control and protected VLANs on the VSX fabric 1 switches? Solution: Ring 1, instance 1: control VLAN: 1000protected VLANs: 51-135 Ring 1,Instance2:

  control VLAN: 1001 protected VLANs: 136-220 Ring 2, Instance 1: control VLAN: 1000 protected VLANs: 181 -200 Ring 2, Instance 2: control VLAN: 1003 protected VLANs: 201 - 220

  A. Yes

  B. No

  Correct Answer: B

  Ring 1, instance 1: control VLAN: 1000protected VLANs: 51-135 Ring 1,Instance2: control VLAN: 1001 protected VLANs: 136-220 Ring 2, Instance 1: control VLAN: 1000 protected VLANs: 181 -200 Ring 2, Instance 2: control VLAN: 1003 protected VLANs: 201 -220 is not a valid design for the control and protected VLANs on the VSX fabric 1 switches for an Ethernet Ring Protection Switching (ERPS) solution. The control VLANs must be unique for each ring instance and must not overlap with any protected VLANs. In this design, the control VLAN 1000 is used for both ring 1 instance 1 and ring 2 instance 1, which can cause conflicts and errors. Also, the protected VLANs 181-220 are used for both ring instances on ring 2, which can cause loops and traffic duplication2.

• Question 14:

  Can you attach this type of ArubaOS-CX interface to a VRF? Solution: a layer 2 VLAN

  A. Yes

  B. No

  Correct Answer: B

  A layer 2 VLAN is a single broadcast domain that works on the data link layer

  1.

  It cannot be assigned an IP address or attached to a VRF. A VRF requires a layer 3 interface that works on the network layer and can perform routing between different VLANs

  2.

  A layer 2 VLAN can only communicate within itself, not with other VLANs or routing domains1.

• Question 15:

  You are using NetEdit to manage AruDaOS-CX switches. You want to deploy a standard config to the switches, but need the config to include a few device-specific settings such as hostname and IP address.

  Is this what you should do?

  Solution: Create a conformance validation test to deploy the standard part of the configuration.

  A. Yes

  B. No

  Correct Answer: B

  NetEdit is a network management tool that allows you to configure, monitor, and troubleshoot ArubaOS-CX switches. You can use NetEdit to deploy a standard config to the switches, but you need to use a different feature than conformance validation tests. Conformance validation tests are used to check if the switches comply with a predefined set of rules or best practices, and to generate reports or alerts if any deviations are found1. They are not used to deploy configurations. To deploy a standard config that includes device-specific settings, you should use templates. Templates are files that contain configuration commands with variables that can be replaced with device-specific values when applied to the switches1. Therefore, this is not what you should do.

• Question 16:

  Is this a way that Virtual Switching Extension (VSX) differs from Virtual Switching Framework (VSF)?

  Solution: VSX permits admins to select which features to synchronize between members while VSF requires manual configuration of Identical features on each member of the VSF fabric.

  A. Yes

  B. No

  Correct Answer: A

  VSX permits admins to select which features to synchronize between members while VSF requires manual configuration of identical features on each member of the VSF fabric is a way that Virtual Switching Extension (VSX) differs from Virtual Switching Framework (VSF). VSX is a feature that provides active-active forwarding and redundancy for ArubaOS-CX switches. VSF is a feature that provides active-standby forwarding and redundancy for legacy campus switches. VSX allows admins to select which features to synchronize between members using an opt-in model, while VSF requires manual configuration of identical features on each member using a commander-member model1.

• Question 17:

  Refer to the exhibit.

  

  Switch-1, Switch-2, and the router run OSPF on LAG 100, which is a Layer 3 LAG. Does this correctly explain how to control how core-to-access traffic Is forwarded? Solution: To reduce the amount of traffic sent over the ISI between Switch-1 and Swltch-2. enable active forwarding on LAG 100 on both Switch-1 and Switch-2.

  A. Yes

  B. No

  Correct Answer: A

  To reduce the amount of traffic sent over the ISL between Switch-1 and Switch-2, enable active forwarding on LAG 100 on both Switch-1 and Switch-2 is a correct explanation of how to control how core-to-access traffic is forwarded. Switch1, Switch-2, and the router run OSPF on LAG 100, which is a Layer 3 LAG. Active forwarding is a feature that allows a switch to select one link as active and one link as standby for each direction of traffic in a LAG. Enabling active forwarding on LAG 100 on both Switch-1 and Switch-2 would reduce the amount of traffic sent over the ISL by sending traffic over only one link instead of both1.

• Question 18:

  Is this a use case for implementing Enhanced Transmission Selection (ETS) on an ArubaOS-CX switch?

  Solution: to help the switch to look inside tunneled traffic and apply different quality of service (QoS) settings to different types of traffic

  A. Yes

  B. No

  Correct Answer: B

  To help the switch to look inside tunneled traffic and apply different quality of service (QoS) settings to different types of traffic is not a use case for implementing Enhanced Transmission Selection (ETS) on an ArubaOS-CX switch. ETS is a feature that provides bandwidth allocation and priority assignment for different traffic classes based on IEEE 802.1Qaz standard. ETS does not help the switch to look inside tunneled traffic, but rather relies on the priority values in the outer header of the tunneled traffic to apply QoS settings. A better way to help the switch to look inside tunneled traffic and apply different QoS settings to different types of traffic would be to use deep packet inspection (DPI) or application visibility and control (AVC) features.

• Question 19:

  Does this correctly describe routing information advertised by a VXLAN Tunnel Endpoint (VTEP) that uses EVPN?

  Solution: MAC/IP advertisement routes advertise the MAC addresses that can be reached through the VTEP.

  A. Yes

  B. No

  Correct Answer: A

  MAC/IP advertisement routes advertise the MAC addresses that can be reached through the VTEP is a correct description of routing information advertised by a VXLAN Tunnel Endpoint (VTEP) that uses EVPN. EVPN is a feature that provides control plane learning and signaling for VXLAN networks. MAC/IP advertisement routes are one of the types of routes that EVPN uses to advertise MAC and IP addresses of hosts connected to VTEPs2.

• Question 20:

  Does this correctly describe the ArubaOS-CX architecture?

  Solution: The ArubaOS-CX time-series database helps to support network analytics and troubleshooting.

  A. Yes

  B. No

  Correct Answer: A

  The ArubaOS-CX time-series database helps to support network analytics and troubleshooting is a correct description of the ArubaOS-CX architecture. The time- series database (TSDB) is a component of the ArubaOS-CX software that stores information about the switch's configuration, status, and performance over time. The TSDB helps to support network analytics and troubleshooting by providing historical data and trend analysis for various metrics1.