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HP HPE2-W09 certification exam is designed to test your knowledge and skills in data center network technologies. Aruba Data Center Network Specialist Exam certification is intended for professionals who are responsible for designing, implementing, and managing data center networks using Aruba solutions. HPE2-W09 exam covers a range of topics including network architecture, network design, configuration, management, and troubleshooting. Successful completion of HPE2-W09 exam will validate your abilities to design and deploy secure, reliable, and scalable data center networks using Aruba solutions.
NEW QUESTION # 54
Is this a guideline for establishing a Virtual Switching Extension (VSX) Inter-Switch Link (ISL) between two ArubaOS-CX switches?
Solution: Reserve the ISL for control plane traffic only.
- A. No
- B. Yes
Answer: A
Explanation:
Virtual Switching Extension (VSX) is a high-availability technology that allows two ArubaOS-CX switches to operate as a single logical device. VSX Inter-Switch Link (ISL) is a link between the two VSX switches that is used for both data plane and control plane traffic. It is not recommended to reserve the ISL for control plane traffic only, as this would limit the benefits of VSX and create suboptimal traffic forwarding1. Therefore, this is not a valid guideline for establishing a VSX ISL between two ArubaOS-CX switches.
NEW QUESTION # 55
Is this something that NetEdit 2.0 does after it discovers a switch?
Solution: It enables SNMP on the switch, if disabled.
- A. No
- B. Yes
Answer: A
Explanation:
NetEdit 2.0 is a network management tool that allows you to configure, monitor, and troubleshoot ArubaOS-CX switches. NetEdit 2.0 can discover switches using different methods, such as IP range scan, LLDP neighbors, or manual entry. After it discovers a switch, NetEdit 2.0 does not enable SNMP on the switch, if disabled. SNMP is a protocol that allows NetEdit 2.0 to collect information and statistics from the switches, but it is not required for discovery or management. NetEdit 2.0 can use other protocols, such as REST API or SSH, to communicate with the switches1. Therefore, this is not something that NetEdit 2.0 does after it discovers a switch.
NEW QUESTION # 56
Is this a difference between a typical data center network's requirements and a typical campus network's requirements?
Solution: Data center networks are typically less oversubscribed than campus networks.
- A. No
- B. Yes
Answer: B
Explanation:
Data center networks are typically less oversubscribed than campus networks is a difference between a typical data center network's requirements and a typical campus network's requirements. Oversubscription is the ratio of potential maximum demand to available capacity on a network link or device. Data center networks typically have higher bandwidth and lower latency requirements than campus networks, so they need to minimize oversubscription as much as possible1.
NEW QUESTION # 57
Is this a use case for disabling split-recovery mode on ArubaOS-CX switches in a Virtual Switching Extension (VSX) fabric?
Solution: In situations in which the primary switch fails and then reboots, you want to make the primary switch take over again as the primary switch.
- A. No
- B. Yes
Answer: A
Explanation:
Virtual Switching Extension (VSX) is a high-availability technology that allows two ArubaOS-CX switches to operate as a single logical device. Split-recovery mode is a feature that prevents traffic loss when the Inter-Switch Link (ISL) goes out-of-sync and keepalive subsequently fails. When split-recovery mode is enabled, the secondary VSX member disables its downstream links until it synchronizes with the primary member. When split-recovery mode is disabled, the secondary VSX member keeps its downstream links up even when it is out-of-sync with the primary member1. Disabling split-recovery mode does not affect how the primary switch takes over again as the primary switch after a failure and reboot. The primary switch always takes over as the primary switch when it comes back online, regardless of the split-recovery mode setting. Therefore, this is not a use case for disabling split-recovery mode on ArubaOS-CX switches in a VSX fabric.
NEW QUESTION # 58
Is this a use case for disabling split-recovery mode on ArubaOS-CX switches in a Virtual Switching Extension (VSX) fabric?
Solution: You are not concerned about split brain Issues in your environment, so you want the secondary member to keep its links up if the ISL falls.
- A. No
- B. Yes
Answer: B
Explanation:
You are not concerned about split brain issues in your environment, so you want the secondary member to keep its links up if the ISL fails is a use case for disabling split-recovery mode on ArubaOS-CX switches in a Virtual Switching Extension (VSX) fabric. VSX is a feature that provides active-active forwarding and redundancy for ArubaOS-CX switches. The ISL is the inter-switch link that connects two VSX nodes and carries data traffic. The split-recovery mode is a feature that prevents split-brain scenarios when both VSX nodes lose connectivity with each other but remain up. When split-recovery mode is disabled, if the ISL fails but both VSX nodes remain up,
NEW QUESTION # 59
Is this a use case for implementing Enhanced Transmission Selection (ETS) on an ArubaOS-CX switch?
Solution: to enable the switch to assign the correct priority and bandwidth to traffic that it transmits to servers
- A. No
- B. Yes
Answer: B
Explanation:
Enhanced Transmission Selection (ETS) is a network scheduling algorithm that allows the switch to assign different priority and bandwidth values to different traffic classes1. This can be useful for transmitting traffic to servers that have different requirements for latency, jitter, or throughput. For example, ETS can prioritize voice or video traffic over data traffic, or allocate more bandwidth to backup or replication traffic. ETS is configured using the Data Center Bridging Exchange (DCBx) protocol, which advertises the configuration to peer devices2. Therefore, implementing ETS on an ArubaOS-CX switch is a valid use case for enabling the switch to assign the correct priority and bandwidth to traffic that it transmits to servers.
NEW QUESTION # 60
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.
- A. No
- B. Yes
Answer: B
Explanation:
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.
NEW QUESTION # 61
Is this how you should position switches in the ArubaOS-CX portfolio tor data center networks?
Solution: Deploy Aruba CX 8400 switches as core switches for very large three-tier data center networks.
- A. No
- B. Yes
Answer: B
Explanation:
Deploying Aruba CX 8400 switches as core switches for very large three-tier data center networks is how you should position switches in the ArubaOS-CX portfolio for data center networks. ArubaOS-CX is an operating system that provides advanced features and automation capabilities for data center networks1. It runs on various switch models that are designed for different roles and scenarios in the data center1. Aruba CX 8400 switches are modular switches that offer high performance, scalability, and reliability for the core layer of very large three-tier data center networks1. The statement is true because it correctly describes how to position Aruba CX 8400 switches in the ArubaOS-CX portfolio for data center networks.
NEW QUESTION # 62
Is this part of a valid strategy for load sharing traffic across the links in an Ethernet Ring Protection Switching (ERPS) ring?
Solution: Implement Virtual Switching Extension (VSX) on pairs of ERPS switches at the same site. Then combine multiple links between two data centers into VSX LAGs (M-LAGs).
- A. No
- B. Yes
Answer: B
NEW QUESTION # 63
Refer to the exhibits.
Is this how the switch handles the traffic?
Solution: A broadcast arrives in VLAN 10 on Switch-1. Switch 1 forwards the frame on all interfaces assigned to VLAN10, except the incoming interface. It encapsulates the broadcast with VXIAN and sends it to 192.168.1.2. but not 192.168.1.3.
- A. No
- B. Yes
Answer: B
NEW QUESTION # 64
Refer to the exhibits.
Is this how the switch handles the traffic?
Solution: A frame with destination MAC address, 00:50:56:00:00:03 arrives with a VLAN 10 tag on 1/1//1 on Switch-1. Switch-1 switches the frame out interface 1/1/2 without VXLAN.
- A. No
- B. Yes
Answer: A
Explanation:
VXLAN is a tunneling protocol that encapsulates layer 2 traffic over an IP network using VXLAN Network Identifiers (VNIs) to identify different layer 2 segments. VXLAN Tunnel Endpoints (VTEPs) are devices that perform the encapsulation and decapsulation of VXLAN packets. According to the exhibit, Switch-1 and Switch-2 are VTEPs that use VNI 10010 to map VLAN 10 traffic. Therefore, when Switch-1 receives a frame with destination MAC address 00:50:56:00:00:03 and VLAN 10 tag on interface 1/1/1, it should encapsulate the frame with a VXLAN header that contains VNI 10010 and send it as a unicast packet to Switch-2's loopback address (10.1.1.2) over the IP network1. Switch-1 should not switch the frame out interface 1/1/2 without VXLAN, as this would violate the VNI mapping and cause layer 2 loops. Therefore, this is not how the switch handles the traffic. https://networklessons.com/cisco/ccnp-encor-350-401/introduction-to-virtual-extensible-lan-vxlan
NEW QUESTION # 65
Is this correct positioning of AtubaOS-CX switches in the data center?
Solution: A data center will use a leaf-spine topology and requires 64 leaf switches. Aruba CX 8325 switches can be a good choice for both the leaf and spine switches.
- A. No
- B. Yes
Answer: B
Explanation:
ArubaOS-CX switches are designed for enterprise campus, aggregation, and data center networking use cases1. ArubaOS-CX switches support a leaf-spine topology, which is a two-layer network architecture that provides high performance, scalability, and reliability for data center networks2. Aruba CX 8325 switches are compact 1U switches that offer high density and high speed connectivity for both leaf and spine switches3. Aruba CX 8325 switches can support up to 32 ports of 100GbE or 48 ports of 25GbE and 8 ports of 100GbE3. For a data center that requires 64 leaf switches, Aruba CX 8325 switches can be a good choice for both the leaf and spine switches, as they can provide enough bandwidth and port density for the network traffic3. Therefore, this is a correct positioning of ArubaOS-CX switches in the data center, and the correct answer is yes. For more information on ArubaOS-CX switches and data center solutions, refer to the Aruba Data Center Network Specialist (ADCNS) certification datasheet and the Aruba CX Switch Series datasheets3 .
NEW QUESTION # 66
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, add VNIs 5010 and 5020 to the same VXLAN interface.
- A. No
- B. Yes
Answer: A
Explanation:
VXLAN is a feature of ArubaOS-CX that provides layer 2 connectivity between networks across an IP network1. VXLAN uses a 24-bit identifier called VXLAN Network Identifier (VNI) to segment the layer 2 domain1. VXLAN also uses a tunnel endpoint (VTEP) to encapsulate and decapsulate VXLAN packets1. A VXLAN interface is a logical interface that represents a VNI and is associated with a source IP address and a VRF1. To set up VXLAN without EVPN, you need to create VXLAN interfaces on each switch and configure static VTEP peers1. Based on the exhibit, Switch-1 needs to create two VXLAN interfaces, one with ID 5010 and one with ID 5020, to match the VNIs of the servers connected to it. However, you cannot add multiple VNIs to the same VXLAN interface1. Each VNI must have its own VXLAN interface with a unique source IP address and VRF1. Therefore, this is not part of the process for setting up VXLAN to meet the requirements, and the correct answer is no. For more information on VXLAN and EVPN, refer to the Aruba Data Center Network Specialist (ADCNS) certification datasheet2 and the EVPN VXLAN Guide for your switch model1.
NEW QUESTION # 67
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 force the router to use both links, ensure that active gateway is enabled on LAG 100 on both Switch-1 and Switch-2.
- A. No
- B. Yes
Answer: A
Explanation:
The exhibit shows a network topology where Switch-1 and Switch-2 are part of a Virtual Switching Extension (VSX) fabric, and the router runs OSPF on LAG 100, which is a Layer 3 LAG. The question asks how to control how core-to-access traffic is forwarded, which means how the router chooses between the two links to Switch-1 and Switch-2. To force the router to use both links, ensuring that active gateway is enabled on LAG 100 on both Switch-1 and Switch-2 is not the correct solution. Active gateway is a feature that allows both VSX members to act as the default gateway for downstream devices, using a common virtual MAC address. Active gateway does not affect how upstream devices, such as the router, forward traffic to the VSX members1. To force the router to use both links, the correct solution is to configure equal-cost multi-path (ECMP) in OSPF on the router. ECMP is a feature that allows a router to load balance traffic across multiple paths with the same cost. ECMP can be configured using the maximum-paths command and specifying how many equal-cost paths the router should use2. Therefore, this does not correctly explain how to control how core-to-access traffic is forwarded.
NEW QUESTION # 68
Is this a requirement for implementing Priority Flow Control (PFC) on an ArubaOS-CX switch interface?
Solution: configuring trust of Cos on the interface
- A. No
- B. Yes
Answer: B
Explanation:
Configuring trust of CoS on the interface is a requirement for implementing Priority Flow Control (PFC) on an ArubaOS-CX switch interface. PFC is a feature that allows a switch to pause traffic on a per-class basis using IEEE 802.1Qbb frames. To use PFC, the switch must trust the CoS values in the incoming frames and map them to priority groups and queues1.
NEW QUESTION # 69
Is this a way that a data center technology can help meet requirements for multi-tenancy?
Solution: Virtual Extensible LAN (VXLAN) enables multiple isolated Layer 3 domains, each with its own routing table, to share a physical network.
- A. No
- B. Yes
Answer: A
NEW QUESTION # 70
A customer's servers use ISCSI, and they send data and storage traffic on the same pair of I OGbE links. Is this a best practice for supporting the ISCSI requirements?
Solution: Set up dedicated switches to connect to iSCSl arrays. Connect top of rack (ToR) switches, which will support both data and storage traffic, to those dedicated switches.
- A. No
- B. Yes
Answer: B
NEW QUESTION # 71
Refer to the exhibit.
The company wants AtubaOS-CX switches to provide VXLAN services for several VMs and servers, as shown in the exhibit. Hypervisors will not run VXLAN for this solution. Is this part of a valid configuration to meet the requirements?
Solution: Work with the server admins to assign a consistent VLAN for VMs 1 and 4. Assign interface 1/1/2 on Switch-1 to the same VLAN.
- A. No
- B. Yes
Answer: B
Explanation:
Work with the server admins to assign a consistent VLAN for VMs 1 and 4. Assign interface 1/1/2 on Switch-1 to the same VLAN is part of a valid configuration to meet the requirements for providing VXLAN services for several VMs and servers using ArubaOS-CX switches. VMs 1 and 4 belong to the same VXLAN segment (VNI 5010), so they should be assigned to the same VLAN on their respective hypervisors. Interface 1/1/2 on Switch-1 should also be assigned to the same VLAN as VMs 1 and 4, so that Switch-1 can act as a VTEP for them1.
NEW QUESTION # 72
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.
- A. No
- B. Yes
Answer: B
NEW QUESTION # 73
Is this correct positioning of AtubaOS-CX switches in the data center?
Solution: Aruba CX 6300 switches are an appropriate choice for leaf switches in a leaf-spine topology that uses Virtual Extensible LAN (VXLAN) with Ethernet VPN (EVPN).
- A. No
- B. Yes
Answer: B
Explanation:
Aruba CX 6300 switches are an appropriate choice for leaf switches in a leaf-spine topology that uses Virtual Extensible LAN (VXLAN) with Ethernet VPN (EVPN) is a correct positioning of ArubaOS-CX switches in the data center. The Aruba CX 6300 switches are designed for data center leaf roles, and they support advanced features such as VSX, EVPN, and PFC that enable high performance, scalability, and resiliency for data center networks1
NEW QUESTION # 74
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