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HP HPE7-A12 Exam Syllabus Topics:

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

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HPE7-A12 Musterprüfungsfragen, HPE7-A12 Prüfungsinformationen

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HPE Network Data Center Professional Architect Exam HPE7-A12 Prüfungsfragen mit Lösungen (Q83-Q88):

83. Frage
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.
What are valid assumptions that can be made for this scenario when creating the network design documentation? (Choose two.)

A. Sufficient virtualization resources for the deployment of software will be available.
B. The customer s staff can implement the project.
C. Hardware delivery will meet project timelines.
D. The customer's budget for the project will be met.
E. Sufficient cabling between data centers will be available.

Antwort: A,E

Begründung:
It is valid to document assumptions that sufficient virtualization resources will exist for required software and that sufficient inter-site cabling will be available for the design.

84. Frage
Your customer wants to host endpoints on the Border Leaf switches. Is this a supported topology?

A. No, as a Border Leaf is a pure Layer 3 device and has to remain like that.
B. Yes, configuring VLANs and SVIs on a Border is a supported way to operate.
C. No, as a Border Leaf only supports Loopback addresses.
D. Yes, using Routed-only ports.

Antwort: B

Begründung:
A border leaf can still function as a leaf switch and host endpoint VLANs/SVIs, while also providing external connectivity for the fabric.

85. Frage
A customer has a highly virtualized data center for which you are designing a two-tier L2 data center. What are the characteristics of a design that extends VLANs only to the ToR switches and server ports that strictly need those VLANs? (Choose two.)

A. smaller MAC address tables at the access switches
B. more flexibility for server admins
C. smaller routing table on core switches
D. more control for network admins
E. smaller ARP tables on the core switches

Antwort: A,D

Begründung:
Limiting VLANs only to required ToR switches and server ports reduces unnecessary Layer 2 flooding/MAC learning and gives network admins tighter control over where each VLAN exists. It is less flexible for server admins than extending all VLANs everywhere.

86. Frage
Your customer requires management access to switches through SSH. Which authentication mechanism can be implemented?

A. Authentication using a RAPIDS Server
B. Authentication through LDAPS
C. Authentication using Kerberos
D. Authentication using a VPN encryption

Antwort: B

Begründung:
SSH management access can be authenticated against an external directory using secure LDAP/LDAPS, allowing centralized user authentication for switch administration.

87. Frage
A customer running VMware with NSX asks whether they still need to design VLANs on the physical CX switches. What is the correct guidance?

A. The physical underlay still needs a small set of VLANs/subnets for transport (e.g., VTEP connectivity, management), while NSX handles the majority of workload segmentation in the overlay
B. VLANs are no longer needed anywhere once NSX is deployed
C. NSX requires the physical fabric to run pure Layer 2 everywhere
D. VLANs must match one-to-one with NSX segments

Antwort: A

Begründung:
Even with NSX handling overlay segmentation for workloads, the physical underlay still requires basic VLANs/subnets for functions like VTEP/transport connectivity and out-of-band management; NSX segments do not need to map one-to-one with physical VLANs, and a pure L2 underlay is not required (a routed underlay is typically preferred).

88. Frage
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