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| Section | Objectives |
|---|---|
| Troubleshooting and Operations | - Common deployment issues
|
| Deployment Planning | - Pre-installation requirements
|
| Lifecycle Management | - System upgrades and patching
|
| Installation and Initial Configuration | - VxRail cluster deployment process
|
| Networking Configuration | - VLAN and network segmentation
|
| VxRail Architecture Fundamentals | - Hyperconverged Infrastructure (HCI) concepts
|
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問題 #15
Which vSAN feature requires an All-Flash cluster?
答案:D
問題 #16
You are attempting to reset a single G Series node running 4.0.x code to the factory default. You discover that the configbundle.tgz file is corrupt.
What is the recommended method to recover the node?
答案:A
問題 #17
What is the minimum required network speed when using a vSAN 8 ESA with VxRail nodes?
答案:B
解題說明:
When designing and deploying a Dell VxRail cluster utilizing VMware vSAN 8 Express Storage Architecture (ESA), network throughput requirements are significantly higher than traditional Original Storage Architecture (OSA) deployments. The minimum required network speed for all traffic-bearing network interfaces assigned to the vSAN ESA data path is strictly defined as 25 Gbps. This mandatory speed profile is dictated by the architectural modifications inherent to ESA, which replaces the traditional two-tier disk group model with a unified, high-performance single-tier storage pool built exclusively on NVMe-based flash media.
Because data paths are optimized for parallel disk accesses, activities such as inter-node replication, active write mirroring, and data erasure coding over the network domain can easily overwhelm lower-bandwidth infrastructure. Running vSAN ESA over 1 Gbps or 10 Gbps uplinks is structurally prohibited because network-induced latency would bottleneck the NVMe performance capabilities and trigger cluster instability during host failovers or data rebuild cycles. Therefore, 25 Gbps represents the absolute minimum speed requirement to pass pre-deployment hardware validation gates.
References: Dell VxRail Deploy Study Guide; vSAN ESA Hardware Prerequisites; Network Topology and Performance Requirements.
問題 #18
Before performing a VxRail software upgrade, what report should be checked to ensure that no configuration drift exists due to manual updates?
答案:A
解題說明:
Maintaining configuration integrity across a VxRail cluster is imperative prior to executing automated lifecycle management (LCM) operations. Before initiating a comprehensive VxRail software upgrade, deployment engineers and administrators must evaluate the environment using the Compliance Report found specifically on the VxRail Updates Compliance tab (Choice B). This specialized report actively scans the entire hyperconverged infrastructure cluster, cross-referencing the active software, driver, and component firmware states against the definitive target VxRail Continuously Validated State baseline.
The core purpose of this evaluation is to proactively identify any instances of configuration drift.
Configuration drift typically occurs when an administrator manually introduces unvalidated updates, installs standalone VIBs, or applies out-of-band firmware updates directly via the ESXi command line or iDRAC, bypassing the unified VxRail Manager interface. If drift is detected, the upgrade engine flags the non- compliant nodes, allowing engineers to remediate or reconcile the variations before launching the orchestration script, thereby preventing mid-upgrade installation failures or cluster state validation timeouts.
References: Dell VxRail Deploy Study Guide; VxRail Lifecycle Management Lifecycle Updates; Pre- Upgrade Health Check and Troubleshooting.
問題 #19
What issue is one of the top reasons for failing to deploy SRS/VE in a VxRail environment?
答案:C
問題 #20
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