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| Section | Objectives |
|---|---|
| Designing HPE Aruba Networking Data Center Solutions | - Requirements Discovery and Analysis - Security and Segmentation
|
| Operations and Optimization | - Lifecycle Management - Monitoring and Troubleshooting |
| Implementation and Deployment Planning | - Deployment Methodologies
|
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NEW QUESTION # 57
Which two questions should be asked to properly size the data center fabric's east-west bandwidth requirements? (Choose two.)
Answer: A,D
Explanation:
Understanding the east-west to north-south traffic ratio and the intended server-to-leaf oversubscription ratio are both essential inputs for sizing spine and leaf uplink bandwidth correctly. The remaining options are irrelevant to fabric sizing.
NEW QUESTION # 58
You are choosing switches for a new rack, which needs to support several types of traffic including HTTPS multicast streaming, and iSCSI traffic You are attempting to choose between CX 8360v2-32Y6C and CX 8325-48Y8C models both of which can meet the racks' port requirements. Which technical requirement should point you toward the 8325 model?
Answer: C
Explanation:
CX 8325 supports multiple dedicated lossless buffer pools, which fits a design requiring separate buffer allocation for different iSCSI tiers. CX 8360 supports PFC, but with shared loSSLESs resources rather than the same isolated pool model.
NEW QUESTION # 59
What is the best practice for using VSX at the Core of a two-tier design?
Answer: C
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 # 60
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, which environmental requirements are provided in this scenario? (Choose two.)
Answer: B,E
Explanation:
The scenario provides switch placement requirements and airflow direction, including back-to- front cooling and ports facing the hot aisle.
NEW QUESTION # 61
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.)
Answer: A,E
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 # 62
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