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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Lossless and AI-Optimized Networking | 15% | - Advanced transport and optimization
|
| Topic 2: Management, Orchestration and Operations | 10% | - Management architecture and tools
|
| Topic 3: EVPN-VXLAN Overlay Technologies | 25% | - Overlay network design and implementation
|
| Topic 4: Data Center Network Architecture Design | 30% | - Requirements analysis and solution design
|
| Topic 5: Data Center Network Security and Policy | 20% | - Security architecture and policy enforcement
|
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NEW QUESTION # 65
Refer to the exhibit.
You are designing a data center network. This customer requests that you connect the data center core their firewalls. The customer uses six VRFs for segmentation, and the firewalls are responsible for handling traffic in all of the VRFs.
What is the recommended design for the links between the data center core switches and the firewalls?
Answer: D
Explanation:
From the exhibit:
1. Links 1 and 3 connect the two VSX core switches to the active firewall.
2. Links 2 and 4 connect the two VSX core switches to the passive firewall.
Therefore, each firewall receives its own VSX multi-chassis LAG.
NEW QUESTION # 66
A customer wants each of their three data centers to be able to fail over workloads to either of the other two sites. Which network design approach best supports this "any-to-any" DR model?
Answer: B
Explanation:
Extending an EVPN VXLAN fabric across all three sites via a DCI allows any site to serve as an active or standby location for any workload, providing symmetric any-to-any failover. Hub-and- spoke and isolated designs don't support symmetric multi-site failover, and static routing doesn't scale for this use case.
NEW QUESTION # 67
Which of the following is an appropriate deliverable to include in a High-Level Design (HLD) document, as opposed to a Low-Level Design (LLD)?
Answer: C
Explanation:
An HLD captures the conceptual architecture, topology, and design rationale at a strategic level.
Detailed cabling diagrams, IP addressing schemes, and CLI configurations belong in the LLD, which documents implementation-level detail.
NEW QUESTION # 68
You are planning a pair of CX switches to act as ToR switches. The switches implement VSX as part of a data center L2 topology and connect to the core on VSX LAGs. To meet expansion requirements, you need to keep as many ports open as possible. What option should you recommend for VSX LAGs?
Answer: A
Explanation:
VSX keepalives should use an independent path from the ISL. Using the OOBM management interface preserves front-panel data ports while still providing a separate keepalive path.
NEW QUESTION # 69
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: B
Explanation:
Fabric Composer high availability uses a three-node deployment model.
NEW QUESTION # 70
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