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| Section | Objectives |
|---|---|
| Topic 1: Implementation and Deployment Planning | - Deployment Methodologies
|
| Topic 2: Operations and Optimization | - Monitoring and Troubleshooting - Lifecycle Management |
| Topic 3: Designing HPE Aruba Networking Data Center Solutions | - Requirements Discovery and Analysis - Data Center Network Architecture Design
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NEW QUESTION # 44
A customer's data center has 40 racks and is growing. The customer asks you to recommend a fabric topology that supports predictable latency and easy horizontal scaling. Which topology should you recommend?
Answer: C
Explanation:
A spine-leaf (Clos) fabric provides consistent, predictable latency between any two leaf switches (every leaf is equidistant from every other leaf through the spine) and scales horizontally by adding spine or leaf switches without redesigning the fabric. Three-tier designs introduce variable latency and are harder to scale predictably; ring and full-mesh access designs don't fit modern DC scale requirements.
NEW QUESTION # 45
Hotspot Question
Click where you would implement the CX 10000 network segmentation policy in this data center deployment.
Answer:
Explanation:
Explanation:
Network segmentation/microsegmentation for server workloads is implemented at the CX 10000 ToR enforcement points, closest to the workloads. The edge gateway is for north-south/WAN edge services, not the primary workload segmentation policy placement.
NEW QUESTION # 46
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 facility and the hospital. 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?
Answer: A
Explanation:
This provides 400Gbps total, full-mesh resiliency, and separate routed connectivity for the two VRFs.
NEW QUESTION # 47
You are delivering a data center network based on CX 8360 switches. The network uses a spine and leaf topology and EVPN VXLAN. Not long before the deployment the customer comes with a new requirement. In one server rack the customer hosts servers for different tenants. The leaf switches in that rack must be able to reuse the same VLAN IDs for different logical L2/L3 domains. What should you explain?
Answer: D
Explanation:
VLAN translation lets the leaf switches reuse the same customer-facing VLAN IDs for different tenants by translating them to unique internal VLAN/VNI mappings in the EVPN-VXLAN fabric.
NEW QUESTION # 48
A customer is upgrading their data center structured cabling to SMF. At the same time the customer wants to upgrade the spine switches in their spine and leaf topology A key goal of this upgrade is to eventually support 400GbE leaf-to-spine links. However, for a while, many of the leaf switches will continue to support 100GbE uplinks. What is a valid recommendation for the spine switches?
Answer: D
Explanation:
The CX 9300-32D is appropriate as a 100/400GbE spine and supports breakout use cases, while
4x100G DR QSFP-DD supports SMF and lets the spine connect to current 100GbE leaves during migration to 400GbE.
NEW QUESTION # 49
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