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| Section | Objectives |
|---|---|
| Designing HPE Aruba Networking Data Center Solutions | - Data Center Network Architecture Design
|
| Operations and Optimization | - Monitoring and Troubleshooting - Lifecycle Management |
| Implementation and Deployment Planning | - Solution Validation
|
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NEW QUESTION # 17
You are designing an L3 spine and leaf topology that uses CX switches. Those switches implement EVPN VXLAN. The customer does not require VRF segmentation for any of the data center endpoint traffic. What should you recommend for the VRF in which to place the SVIs for server, VM and other endpoint VLANs?
Answer: D
Explanation:
If the customer does not need VRF-based segmentation for endpoint traffic, the server/VM VLAN SVIs can be placed in the default VRF rather than creating separate overlay tenant VRFs.
NEW QUESTION # 18
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. One of your junior colleagues has recommended deploying CX 8325-32C BF 6F 2AC Bundle switches for border leaf switches. What issue should you point out with this plan?
Answer: B
Explanation:
The hospital link has strict requirements for high-capacity, encrypted wire-speed connectivity, so the proposed border leaf choice must be validated against that requirement.
NEW QUESTION # 19
During requirements gathering, the customer's application owner states RTO must be under 60 seconds for a critical database cluster. Which network-level design decision most directly supports this requirement?
Answer: A
Explanation:
Sub-minute RTO requirements call for fast-converging designs - BFD paired with dynamic routing for rapid link/node failure detection, and VSX for sub-second failover at the access layer - rather than default STP timers or manual intervention, which are far too slow.
NEW QUESTION # 20
A customer asks whether they should adopt a routed (Layer 3) access design or a bridged (Layer
2) access design for their new data center fabric. Which factor most strongly favors a routed access design?
Answer: B
Explanation:
A routed access design minimizes Layer 2 fault domains and removes dependency on spanning tree, which is ideal when applications don't require broad L2 adjacency. Legacy L2-dependent apps or unrestricted vMotion mobility across the entire DC would instead favor extending L2 (e.g., via VXLAN) further into the fabric.
NEW QUESTION # 21
You are designing an L3 spine and leaf architecture for a customer based on CX 10000 Series switches as leaf switches. The customer has added a requirEMENT that the leaf switches also support servers' iSCSI adapters. You have verified your design also meETS The customer's needs for lossless iSCSI. The customer asks for advice on ensuring that THE East-west firewall permits the iSCSI traffic. What should you explain?
Answer: A
Explanation:
lOSSLess iSCSI traffic uses a no-drop PFC queue, and CX 10000 dsm East-west firewall services are not applied to traffic in that queue. Therefore, no firewall permit rule is required for that traffic.
NEW QUESTION # 22
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