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| Section | Objectives |
|---|---|
| Topic 1: Implementation and Deployment Planning | - Deployment Methodologies
|
| Topic 2: Operations and Optimization | - Lifecycle Management - Monitoring and Troubleshooting |
| Topic 3: Designing HPE Aruba Networking Data Center Solutions | - Data Center Network Architecture Design
|
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NEW QUESTION # 20
You have been called in to help design an HPE Aruba Networking CX network solution to connect AI servers to file storage. The solution must support NFS over RDMA and provide 400 GbE links to the edge. The design currently consists of leaf and spine switches, which carry all traffic in VXLAN tunnels. Each switch is a CX 9300-32D switch. What is one correction that you should make to the design?
Answer: C
Explanation:
NFS over RDMA/RoCE requires lossless Ethernet behavior with DCB features such as PFC/ETS and ECN. For CX 9300-based RoCE designs, ECN is supported in the underlay, not in the VXLAN overlay, so RDMA storage traffic should not be carried through VXLAN tunnels.
NEW QUESTION # 21
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.
Waratah Hospital requires a high availability deployment of Aruba Fabric Composer. How many nodes are supported with the high availability option?
Answer: A
Explanation:
Fabric Composer high availability uses a three-node deployment model.
NEW QUESTION # 22
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?
Answer: B
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 # 23
What information is likely to be included in the device inventory deliverables? (Choose two.)
Answer: B,C
Explanation:
A device inventory deliverable typically documents identifying and management details for each device, such as hostname/device name and management IP address.
NEW QUESTION # 24
Which two considerations should be included in a disaster recovery (DR) design for a data center network spanning two sites? (Choose two.)
Answer: A,D
Explanation:
DR designs must be driven by business-defined RPO/RTO targets, and the network must support the chosen workload mobility method (stretched L2 via EVPN VXLAN, or routed/L3 failover).
Documentation aesthetics and asymmetric redundancy are not relevant DR design considerations.
NEW QUESTION # 25
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