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HP HPE7-A12 Exam Syllabus Topics:

Section	Objectives
Operations and Optimization	- Monitoring and Troubleshooting - Lifecycle Management
Designing HPE Aruba Networking Data Center Solutions	- Requirements Discovery and Analysis - Data Center Network Architecture Design 1. Spine-Leaf Architecture Design 2. Multi-site and Scalable Fabric Design - Security and Segmentation 1. Network Segmentation Strategies 2. Policy and Access Control Design
Implementation and Deployment Planning	- Solution Validation 1. Performance and Scalability Testing 2. Design Verification - Deployment Methodologies 1. Migration Planning 2. Greenfield vs Brownfield Deployment

Section

Objectives

Operations and Optimization

- Monitoring and Troubleshooting
- Lifecycle Management

Designing HPE Aruba Networking Data Center Solutions

- Requirements Discovery and Analysis
- Data Center Network Architecture Design

1. Spine-Leaf Architecture Design
2. Multi-site and Scalable Fabric Design

- Security and Segmentation

1. Network Segmentation Strategies
2. Policy and Access Control Design

Implementation and Deployment Planning

- Solution Validation

1. Performance and Scalability Testing
2. Design Verification

- Deployment Methodologies

1. Migration Planning
2. Greenfield vs Brownfield Deployment

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HPE Network Data Center Professional Architect Exam Sample Questions (Q91-Q96):

NEW QUESTION # 91
You are designing a network upgrade for a data center that is virtualized with VMware. The customer already uses NSX. You are handling the CX switch design, while the customer is handling the NSX design. What is one question to discuss for the logical design?

A. Whether the customer has a particular scheme they prefer for mapping VLANs to VNIs.
B. How to correlate isolated VLAN IDs with primary VLAN IDs and whether to permit any traffic between isolated VLAN endpoints.
C. What routing is required between subnets inside and outside the overlay.
D. Into how many VRFs would the customer needs to segment the overlay networks.

Answer: C

Explanation:
With NSX, the customer owns the overlay design, but the CX network design must account for how overlay networks connect to external/physical networks, including routing boundaries and route exchange.

NEW QUESTION # 92
You are brought in to a customer with 1,115 employees to update the network and the previous network manager has left the company. What are methods to validate the current network state when the available network documentation is not up-to-date? (Choose two.)

A. Begin searching through file shares for old documentation and compare the files and drawings to each other.
B. Use neighbor discovery protocols to learn neighbor relationships, document the connections and build a topology from the learned information.
C. Documenting existing network configuration and topology is not required. Previous iterations of network designs are considered obsolete and the best practice is that new designs are 'clean- sheet' designs.
D. Physically examine the network devices and trace the cables from device to device documenting the connections and cabling type.
E. Interview random company staff to gather the 'tribal knowledge' of how the network functions during normal operations and degraded states.

Answer: B,D

Explanation:
When documentation is outdated, the current state should be validated by directly inspecting physical cabling/devices and by using neighbor discovery protocols such as LLDP/CDP to identify real device relationships and build an accurate topology.

NEW QUESTION # 93
You are proposing HPE Aruba Networking Central for a customer. Which customer requirement can only be fulfilled by AAS license, as opposed to an AAE license?

A. The customer requires a license that supports AI Insights for CX 8325 and CX 9300 switches.
B. The customer is just getting acquainted with HPE Aruba Networking Central and wants to start with a 1-year license.
C. The customer is purchasing some licenses now and more licenses in a few months and would like the option to have the term end for all the licenses.
D. The customer has budget available to pay for a full 3-year license as part of the initial payment for the networking solution.

Answer: C

Explanation:
AAS/aaS SKUs provide flexible consumption options such as license co-termination, which lets licenses purchased at different times align to a common end date.

NEW QUESTION # 94
A customer wants to convert as many upfront costs into smaller ongoing bills as possible. For which components can HPE GreenLake for Networking provide recurring billing?

A. Hardware software, and support
B. Software and support, but not hardware
C. Hardware and software, but not support
D. Hardware and support, but not software

Answer: A

Explanation:
HPE GreenLake for Networking provides an as-a-service consumption model that can convert networking hardware, software subscriptions, and support into recurring billing.

NEW QUESTION # 95
Waratah Hospital, based in Australia, is planning to move many data center services to new facility. (The remaining legacy data center will not be part of this project.) Waratah Hospital hired an external consultant to assist with the new data center network design.
Based on the requirements for the data center network infrastructure, the external consultant has created a high-level design. The below summarizes the content of the design document.
Requirements and information:
- Six racks in the data center room (single row).
- Redundant Top of Rack leaf switches with back-to-front cooling in each rack, providing 10/25 Gbps connectivity to servers, storage, and other devices.
- Four 100 GbE uplinks per leaf switch.
- The customer requested to install all switch ports facing the back of the rack racks (hot aisle.)
- OOB management for servers, storage, and network has to be provided through an external switch with back-to-front cooling. This switch has to be included in the solution. One OOB switch provides connectivity for two racks.
- Core equipment for the OOBM network is being reused.
- Middle-of-row spine switches.
-The data center should connect to the hospital building with links that provide 400 Gbps.
- Internet access is provided through an existing firewall cluster with two firewalls, each firewall in one data room. The second firewall is operating in standby mode, VRRP is utilized on the firewalls for failover. The data center network should connect to these firewalls with links that total
100 Gbps.
- The external link is a dark fiber direct link based on single-mode fiber (OS2). The distance to the main hospital 1.5 KM. The links will terminate on two core switches in the hospital.
The customer also requires:
- 99.999% uptime for this life-critical environment.
- Planned and unplanned downtime has to be minimized.
- Software upgrades are only allowed once per year with close to zero downtime.
- All life-critical resources are accessed locally, and all resources exist within the hospital campus.
- Waratah Hospital requires a highly secure environment for the data center. Encrypted wire speed connectivity between the data room and the hospital is a must-have because the link between the buildings crosses a public road.
- Waratah Hospital has a mix of virtualized (vSphere) servers. Nutanix storage, bare metal servers, backup servers and other devices.
In the past, the hospital has had a security breach that resulted in data loss, network downtime, and identity theft.
Refer to the scenario. You have learned that the customer needs to extend two VRFs between the new data center network and the firewall. To meet with the requirements of the scenario and general best practices, what should you recommend for connecting border leaf switches to the hospital core?

A. One VSX LAG to each firewall consisting of 25 GbE links on the border leaf switches, two SVIs on each LAG.
B. One VSX LAG that includes a full mesh of 25 GbE links between the border leaf switches and firewall cluster, two SVIs on the LAG.
C. One 100 GbElink between border leaf switch 1 and the active firewall. One 100 GbE link between border leaf switch 2 and the passive firewall. Two subinterfaces on each link that act as ROPs.
D. 2x 25 GbE routed only ports between border leaf switch 1 and the active firewall 2x 25 GbE routed only ports between border leaf switch 2 and the passive firewall.

Answer: A

Explanation:
For two VRFs and an active/standby firewall pair, each firewall should have redundant VSX LAG connectivity with separate VLAN/SVI transit per VRF.

NEW QUESTION # 96
......

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