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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: VMware Cloud Foundation Storage Architecture and Design | 20% | - Storage Policy Based Management (SPBM)
|
| Topic 2: Performance Optimization and Monitoring | 20% | - Performance tuning
|
| Topic 3: Disaster Recovery and Business Continuity | 10% | - Failover and failback operations - vSphere Replication configuration - Site Recovery Manager integration |
| Topic 4: vSAN Deployment and Configuration | 25% | - Advanced configuration
|
| Topic 5: Storage Lifecycle Management | 15% | - Lifecycle management with SDDC Manager
|
| Topic 6: Advanced Storage Solutions | 10% | - External storage integration - Multi-cloud storage management - Storage for Kubernetes workloads |
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33. Frage
A CTO is investigating a catastrophic outage. A TKG Worker Node containing several critical database First Class Disks (FCDs) suffered data corruption.
The node was running on a host experiencing high load, and standard VMDK backup routines (via VADP) were disabled to save CPU cycles. The storage team attempted to restore the FCDs using low- level API commands.
The engineer uses vim-cmd to inspect the FCD state:
```
[root@esx-08:~] vim-cmd vmsvc/get.tasklist
Task: ReconcileFCD_Task
Status: Failed
Error: "VStorageObjectNotFound"
[root@esx-08:~] vim-cmd vmsvc/device.diskaddexisting 20
/vmfs/volumes/vsan/fcd/88b1...
Error: "The disk object requires a CryptoKeyID which was not found in
the current KMS provider."
```
How do the concepts of FCD independence and vSAN Encryption interact to create this restoration failure? (Select all that apply.)
Antwort: B,C,D
34. Frage
An administrator is responsible for managing a VMware Cloud Foundation (VCF) Private Cloud.
The following information has been provided about the environment:
* There are 3 customer datacenters, Site A, Site B and Site C.
* The datacenter at Site A runs all Production Services.
* The datacenter at Site B has reached capacity and there is no space for additional physical hardware.
* The datacenter at Site C has been commissioned to replace Site B, because there is more rack space and power capacity to cater for future demand.
The administrator has been tasked with identifying the networking requirements for a new VMware vSAN Stretched Cluster with the following requirements:
* The solution will deploy a total of 10 new ESX host servers to create a VMware vSAN Stretched Cluster.
* The solution must deploy appropriate networking to ensure minimal disruption from issues with Spanning Tree Protocol (STP).
Drag and drop the correct vSAN Site Type, Networking Type and Round Trip Latency (RTT) within the boxes provided to complete the high-level diagram.
Antwort:
Begründung:
Explanation:
Site A = Data Site; Site B = Witness Site; Site C = Data Site; Site A # Site C = Layer 3, RTT < 5 ms; Site A # Site B = Layer 3, RTT < 200 ms; Site B # Site C = Layer 3, RTT < 200 ms Site A and Site C should be the data sites because Site A hosts production services and Site C has been commissioned to replace the capacity-constrained Site B. Site B should be used as the witness site because it has no space for additional physical hosts, and a vSAN witness appliance does not run workload VMs. A vSAN Stretched Cluster requires two availability zones for data nodes and a third site for the witness appliance. The data-site-to-data-site connection carries synchronous vSAN data traffic and must meet less than 5 ms RTT. The witness site carries metadata traffic only, so the data- site-to-witness links support higher latency, with less than 200 ms RTT for up to 10 hosts per site.
Because the requirement specifically calls out minimizing disruption from STP, Layer 3 is the preferred network type between sites. VMware states that Layer 3 helps avoid STP redirecting traffic across undesirable links, such as constrained witness links. Reference topics: vSAN Stretched Cluster Network Design, Data Site and Witness Site Placement, Layer 3 Recommendation, RTT Requirements.
35. Frage
A Solutions Architect is designing the hardware bill of materials (BOM) for a new VCF 9.0 implementation. The customer has a strict budget and wants to reuse some existing legacy hardware, specifically 10 GbE network switches and SATA SSDs.
```
[Proposed Architecture Diagram]
Network: 10 GbE Top-of-Rack Switches
Host Storage: 2x 400 GB NVMe (Intel Optane) + 6x 3.84 TB SATA SSDs
```
The architect must choose between deploying vSAN OSA or vSAN ESA for this specific BOM.
Which TWO statements accurately describe the compatibility and compliance of this hardware with the two architectures? (Choose 2.)
Antwort: A,D
36. Frage
After a planned power outage, an administrator decided to restart the vSAN cluster manually.
Drag and drop the three correct options from the Options list on the left and place them into the Required Options on the right in any order. (Choose three.)
Antwort:
Begründung:
Explanation:
Run the Python reboot helper script only on one ESXi host to recover the cluster.
Enable cluster member updates from vCenter Server on all ESXi hosts.
Exit all hosts from maintenance mode.
During a manual vSAN cluster restart after a planned outage, the hosts must first be brought back and exited from maintenance mode so the cluster can begin recovery. The vSAN reboot helper recovery script must then be run on only one ESXi host. Running the script on multiple hosts can create race conditions and unexpected cluster state. After the recovery script completes, cluster member updates from vCenter Server must be enabled on all ESXi hosts so that normal membership updates resume across the cluster. Enabling updates on only one host is incomplete because all hosts must return to normal cluster-member update behavior. Running the Python reboot helper script on all ESXi hosts is explicitly incorrect because the recovery operation must be initiated from a single host only. Disabling cluster member updates is a shutdown-side activity, not the required restart-side recovery action in this question. Reference topics: Manual vSAN Cluster Restart, Reboot Helper Script, Maintenance Mode Exit, Cluster Member Updates.
37. Frage
An administrator is tasked with designing a highly available vSAN ESA two-node cluster for a remote VMware Cloud Foundation (VCF) workload domain. The solution should be able to survive the failure of any disk group in addition to a host failure without data loss.
What is the minimum total number of nested fault domains required for the design?
Antwort: B
Begründung:
The minimum total number of nested fault domains is six. In a two-node vSAN design, site disaster tolerance is provided through host mirroring between the two data hosts, with a witness maintaining quorum. The requirement adds another layer: the solution must also survive a disk group or local storage failure in addition to a host failure. vSAN's two-node host mirroring rule states that each data host must have at least three disk groups, or three disks in a storage pool, to use the rule. In ESA, the equivalent construct is disks in the storage pool rather than OSA-style disk groups. Because there are two data hosts, and each data host requires three nested placement units, the minimum total is 3 + 3 = 6 nested fault domains. Four would not meet the host-mirroring rule requirement, and two would only represent the two hosts without local storage fault isolation. Reference topics: vSAN Two-Node Cluster, Host Mirroring, Nested Fault Domains, vSAN ESA Storage Pool Placement.
38. Frage
......
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