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HP HPE7-A12 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: EVPN-VXLAN Overlay Technologies	25%	- Overlay network design and implementation 1. Multi-tenant and segment routing 2. EVPN control plane and routing 3. VXLAN encapsulation and integration
Topic 2: Lossless and AI-Optimized Networking	15%	- Advanced transport and optimization 1. AI-driven network optimization 2. Congestion management and QoS 3. Lossless Ethernet and priority flow control
Topic 3: Data Center Network Architecture Design	30%	- Requirements analysis and solution design 1. Business and technical requirement gathering 2. High-level topology design 3. Scalability and high availability planning
Topic 4: Management, Orchestration and Operations	10%	- Management architecture and tools 1. Integration with cloud and virtualization platforms 2. Monitoring, visibility and troubleshooting 3. Fabric management and automation
Topic 5: Data Center Network Security and Policy	20%	- Security architecture and policy enforcement 1. Threat defense and compliance 2. Micro-segmentation and access control 3. Security policy design and deployment

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HPE Network Data Center Professional Architect Exam Sample Questions (Q103-Q108):

NEW QUESTION # 103
Which information should you attempt to discover during your first data center network design meetings with the customer? (Choose two.)

A. What are the bandwidth requirements for the spine switches?
B. Is it a greenfield or brownfield deployment?
C. What are the data center's addresses?
D. What's the budget allocated to this project?
E. What are the team's training needs for the project?

Answer: B,D

Explanation:
Early design meetings should establish key project context and constraints, such as whether the deployment is greenfield or brownfield and the available project budget. Detailed switch sizing and training planning come later.

NEW QUESTION # 104
What is the best practice for using VSX at the Core of a two-tier design?

A. You should implement VSX at the core when the access switches implement EVPN VXLAN.
B. You should implement VSX at the core when the access layer operates at layer 2 only.
C. You should implement VSX at the core when the access is layer 3 only with OSPF routed traffic forwarding between core and access.
D. You should never implement VSX at the core of a two-tier design.

Answer: B

Explanation:
In a two-tier L2 access design, VSX at the core provides redundant active-active connectivity and default gateway resiliency for access switches. For L3-only or EVPN-VXLAN access designs, routed spine/core behavior is preferred instead.

NEW QUESTION # 105
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.
Given the scenario, what environmental information should be gathered to complement the design? (Choose two.)

A. heat dissipation requirements
B. connectivity requirements
C. power requirements
D. switch placement requirements

Answer: A,C

Explanation:
Heat dissipation and power requirements are environmental details that still need to be validated for the physical deployment.

NEW QUESTION # 106
You are designing an L3 spine and leaf topology that uses CX switches. Those switches implement EVPN VXLAN with a distributed gateway model. You are helping implementers to assemble a list of required loopback interface IDs and IP blocks. What information do you need from the customer to complete this list?

A. Whether the customer prefers a single-AS or dual-AS design for the VXLAN control plane
B. For each overlay VRF, whether it will have DHCP servers to which relay is required
C. For each overlay VRF whether the customer requires L2 multicast forwarding
D. Whether the customer prefers OSPF or BGP as a routing protocol

Answer: B

Explanation:
The choice of single-AS versus dual-AS affects the BGP control-plane configuration and AS numbering, not principally the required loopback inventory. Distributed-gateway designs can require dedicated per-VRF loopback addressing for services such as DHCP relay and unique source addressing. HPE also recommends planning an IP block for the loopbacks assigned to each overlay VRF.

NEW QUESTION # 107
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. Use neighbor discovery protocols to learn neighbor relationships, document the connections and build a topology from the learned information.
B. Interview random company staff to gather the 'tribal knowledge' of how the network functions during normal operations and degraded states.
C. Physically examine the network devices and trace the cables from device to device documenting the connections and cabling type.
D. Begin searching through file shares for old documentation and compare the files and drawings to each other.
E. 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.

Answer: A,C

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 # 108
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