Aruba Data Center Network Specialist Exam HPE2-W09 Updated Questions

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Full version: HPE2-W09 Exam Dumps Questions
1.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. Yes
B. No
Answer: A
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.
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2.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: Attach VNIs 5010 and 5020 to
interface 1/1/3 on Switch-2.
A. Yes
B. No
Answer: B
Explanation:
Attach VNIs 5010 and 5020 to interface 1/1/3 on Switch-2 is not part of a valid configuration to meet
the requirements for providing VXLAN services for several VMs and servers using ArubaOS-CX
switches. VNIs are virtual network identifiers that are used to identify VXLAN segments. A VNI can
only be attached to a VLAN interface, not a physical interface, on an ArubaOS-CX switch1.
3.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. Yes
B. No
Answer: A
Explanation:
Setting up dedicated switches to connect to iSCSI arrays and connecting top of rack (ToR) switches,
which will support both data and storage traffic, to those dedicated switches is a best practice for
supporting the iSCSI requirements. This provides isolation and security for the iSCSI traffic and
reduces the risk of congestion or latency on the storage network1.
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4.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 two configuration plans, one with the standard config and one with the device-
specific settings.
A. Yes
B. No
Answer: B
Explanation:
Creating two configuration plans, one with the standard config and one with the device-specific
settings, is not what you should do. NetEdit is a tool that allows you to manage and monitor multiple
switches from a single interface1. It also provides a plan feature that lets you create containers to
group devices and execute operations on them, such as deploying, committing, or rolling back device
configuration or firmware1. However, you do not need to create two configuration plans for your
scenario. You can create one configuration plan with the standard config and use variables to define
the device-specific settings1. Variables are placeholders that can be replaced with different values for
different devices1. This way, you can deploy a standard config with device-specific settings using one
configuration plan1.
5.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. Yes
B. No
Answer: A
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.
6.Is this a guideline for establishing a Virtual Switching Extension (VSX) Inter-Switch Link (ISL)
between two ArubaOS-CX switches?
Solution: Use a link aggregation with multiple 40GbE links or multiple 100GbE links.
A. Yes
B. No
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 recommended that the ISL
link is a link aggregation with multiple 40GbE links or multiple 100GbE links to provide redundancy
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and bandwidth1. Therefore, this is a valid guideline for establishing a VSX ISL between two ArubaOS-
CX switches.
7.Can you attach this type of ArubaOS-CX interface to a VRF?
Solution: a layer 2 VLAN
A. Yes
B. No
Answer: B
Explanation:
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.
8.Does this correctly describe how the Virtual Switching Extension (VSX) fabric reacts to various
component failure scenarios?
Solution: The keepalive goes down, ISL link remains up. Switch-1 and Switch-2 remains up. The Split-
recovery mode is disabled. In this case the secondary switch shutdowns Svls.
A. Yes
B. No
Answer: B
Explanation:
The keepalive goes down, ISL link remains up. Switch-1 and Switch-2 remains up. The Split-recovery
mode is disabled. In this case the secondary switch shutdowns SVIs is not a correct description of
how the Virtual Switching Extension (VSX) fabric reacts to various component failure scenarios. 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 keepalive link is a
separate link that carries control traffic between two VSX nodes. The split-recovery mode is a feature
that prevents split-brain scenarios when both VSX nodeslose connectivity with each other but remain
up. When the keepalive goes down, but the ISL link remains up, both VSX nodes continue to forward
traffic normally and do not shut down their SVIs because they can still exchange synchronization
messages over the ISL link1.
9.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
Answer: B
Explanation:
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.
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10.You want to use NetEdit to configure an AtubaOS-CX switch.
Is this a minimum requirement for setting up communications between the switch and NetEdit?
Solution: Enable the REST interface in read-only mode.
A. Yes
B. No
Answer: B
Explanation:
The solution is incorrect because enabling the REST interface in read-only mode is not a minimum
requirement for setting up communications between the switch and NetEdit. NetEdit uses the REST
interface to configure the switch, so it needs write access as well as read access. Therefore, enabling
the REST interface in read-write mode is a minimum requirement for setting up communications
between the switch and NetEdit.
11.Is this a way that a data center technology can help meet requirements for multi-tenancy?
Solution: Virtual Extensible LAN (VXLAN) provides millions of IDs to scale for the needs of a multi-
tenant environment
A. Yes
B. No
Answer: A
Explanation:
Virtual Extensible LAN (VXLAN) provides millions of IDs to scale for the needs of a multi-tenant
environment is a way that a data center technology can help meet requirements for multi-tenancy.
Multi-tenancy is the ability to provide logical separation and isolation of network resources for different
tenants or customers on a shared physical infrastructure. VXLAN is a feature that provides Layer 2
extension over Layer
12.Is this a use case for deploying Ethernet Ring Protection Switching (ERPS)?
Solution: connecting multiple data centers at Layer 2 while minimizing the number of dark fiber
connections required
A. Yes
B. No
Answer: A
Explanation:
Connecting multiple data centers at Layer 2 while minimizing the number of dark fiber connections
required is a use case for deploying Ethernet Ring Protection Switching (ERPS). ERPS is a feature
that provides loop prevention and fast convergence for Layer 2 networks that use ring topologies.
ERPS can be used to connect multiple data centers at Layer 2 using fewer fiber connections than
traditional mesh topologies1.
13.Is this how you should position switches in the ArubaOS-CX portfolio for data center networks?
Solution: Deploy Aruba 83xx switches as core switches for very large three-tier data center networks.
A. Yes
B. No
Answer: A
Explanation:
Deploying Aruba 83xx 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. The Aruba 83xx
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switches are designed for data center spine or core roles, and they provide high performance,
scalability, and resiliency. They can support very large three-tier data center networks with up to 512
leaf switches using VSX2.
14.Refer to the exhibit.
Switch-1 and Switch-2 ate ArubaOS-CX switches that implement VXLAN WITHOUT Ethernet VPN
(EVPN). Switch-2 uses the same VNI-to-VLAN mappings as Switch-1. Is this how the specified
servers communicate?
Solution: The first time that Server I communicates with Server 3, It sends an ARP request to resolve
Server 3's MAC address.
A. Yes
B. No
Answer: B
Explanation:
The solution is incorrect because Switch-1 and Switch-2 implement VXLAN without EVPN, which
means they do not have a control plane to exchange MAC addresses. Therefore, the first time that
Server 1 communicates with Server 3, it sends an ARP request to resolve Server 3’s IP address, not
MAC address. The ARP request is encapsulated in a VXLAN header and sent to the VTEP of
Switch-2, which decapsulates it and forwards it to Server 3.
15.Is this correct positioning of AtubaOS-CX switches in the data center?
Solution: Aruba CX 8325 switches are an appropriate choice for leaf switches in a leaf-spine topology
that uses Virtual Extensible LAN (VXLAN) with Ethernet VPN (EVPN).
A. Yes
B. No
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Answer: A
Explanation:
Aruba CX 8325 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 8325 switches are designed for data center spine or core
roles, but they can also be used as leaf switches in a VXLAN with EVPN scenario. They support
advanced features such as VSX, EVPN, and PFC that enable high performance, scalability, and
resiliency for data center networks1.
16.Is this a best practice when positioning ArubaOS-CX switches in data center networks?
Solution: Deploy Aruba CX 83xx switches as data center spine switches.
A. Yes
B. No
Answer: A
Explanation:
Deploy Aruba CX 83xx switches as data center spine switches is a best practice when positioning
ArubaOS-CX switches in data center networks. The Aruba CX 83xx switches are designed for data
center spine or core roles, and they provide high performance, scalability, and resiliency. They can
support various data center network architectures such as leaf-spine, three-tier, or collapsed core1.
17.Does this correctly describe NetEdit's notification capabilities?
Solution: NetEdlt can send an error link to admins through ServlceNow.
A. Yes
B. No
Answer: A
Explanation:
NetEdit is a network management tool that allows you to configure, monitor, and troubleshoot
ArubaOS-CX switches. NetEdit can send notifications of changes in network conditions to other
services, such as ServiceNow, using methods that define the service type and credentials.
ServiceNow is a cloud-based platform that provides IT service management and digital workflows.
NetEdit can send an error link to admins through ServiceNow, which allows them to view the details
of the error and take actions to resolve it 1. Therefore, this correctly describes NetEdit’s notification
capabilities.
18.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
Answer: A
Explanation:
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 campusswitches. 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.
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19.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.
A. Yes
B. No
Answer: A
Explanation:
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.
20.Refer to the exhibit.
You are adding a VLAN 30, subnet 10.0.30.0/24 to the network shown in the exhibit. (This network is
simplified to just the relevant switches for this item.) This subnet belongs in VRF A, and you have
added a Layer 3 VLAN 30 interface attached to this VRF on Switch-1. You want to make the services
in this VLAN available to devices in 10.1.20.0/24 in VRF B.
Is this part of a valid setup for meeting these requirements?
Solution: Add VRF B as the secondary VRF on VLAN interface 30.
A. Yes
B. No
Answer: B
Explanation:
The solution is incorrect because adding VRF B as the secondary VRF on VLAN interface 30 is not
part of a valid setup for meeting these requirements. Adding VRF B as the secondary VRF on VLAN
interface 30 would allow devices in VLAN 30 to communicate with devices in VRF B, but not vice
versa. Therefore, adding VRF B as the secondary VRF on VLAN interface 30 is not sufficient for
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meeting these requirements. https://www.arubanetworks.com/support-services/training-services/data-
center-network-specialist/
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