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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Center Network Architecture Design | 30% | - Requirements analysis and solution design
|
| Topic 2: Data Center Network Security and Policy | 20% | - Security architecture and policy enforcement
|
| Topic 3: Management, Orchestration and Operations | 10% | - Management architecture and tools
|
| Topic 4: Lossless and AI-Optimized Networking | 15% | - Advanced transport and optimization
|
| Topic 5: EVPN-VXLAN Overlay Technologies | 25% | - Overlay network design and implementation
|
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NEW QUESTION # 105
You are modernizing a customer's legacy three-tier architecture with an L3 spine and leaf topology. The CX switches in the topology will provide the overlay. The customer data center uses six VRFs. The customer has asked for service leaf switches to connect to two clustered firewalls, which route and filter traffic between the VRFs. How can you maximize the efficiency of the traffic flow between subnets in the same VRF?
Answer: D
Explanation:
For traffic between subnets in the same VRF, distributed L3 anycast gateways allow routing directly at the leaf switches, avoiding inefficient hairpinning through centralized firewalls. The firewalls should be used for routed/filtering traffic between VRFs.
NEW QUESTION # 106
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: B
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 # 107
A customer wants to convert as many upfront costs into smaller ongoing bills as possible. For which components can HPE GreenLake for Networking provide recurring billing?
Answer: B
Explanation:
HPE GreenLake for Networking provides an as-a-service consumption model that can convert networking hardware, software subscriptions, and support into recurring billing.
NEW QUESTION # 108
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: C
Explanation:
This provides 400Gbps total, full-mesh resiliency, and separate routed connectivity for the two VRFs.
NEW QUESTION # 109
You have successfully installed, configured, and migrated the customer to the new Aruba CX data center equipment. What documents are normally part of the post-installation deliverables?
Answer: C
Explanation:
Post-installation deliverables normally include updated as-built documentation such as device inventory, configurations, topology, and implementation details. Data sheets and RFP responses are pre-sales/design documents.
NEW QUESTION # 110
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