IT Operations & Infrastructure

Good vSphere design starts with workload behavior, not with a default cluster diagram. The current vSphere 9.1 generation, discussed alongside VMware Cloud Foundation 9.1, adds new scheduling and performance considerations, but the central architectural questions are familiar: where should workloads be placed, how much failure headroom is required, which maintenance actions must stay nondisruptive, and which network and storage dependencies determine whether a cluster can actually recover. A practical design therefore connects compute topology, memory behavior, HA and DRS, vMotion, storage, networking, lifecycle, and observability. These pieces cannot be optimized…

vSAN architecture is ultimately about where data lives when something goes wrong. Capacity and benchmark numbers matter, but production design has to answer harder questions: which failures the cluster can tolerate, how quickly objects can rebuild, how maintenance changes risk, whether remote datastores create new dependencies, and how recovery works when the problem is larger than one disk or one host. The current VCF 9.1 platform broadens those choices. vSAN ESA continues to be the preferred modern architecture for new performance-oriented deployments, while 9.1 adds more flexibility for mixed ESA…

Endpoint enrollment is part of the broader endpoint management lifecycle, not a checkbox that merely gets a device into Microsoft Intune. MD-102 expects candidates to distinguish identity registration and join state from MDM enrollment, choose enrollment methods for different ownership models and platforms, troubleshoot failures, and know how a managed device should eventually be retired, wiped, or transferred. Those decisions determine which policies can apply and how much control the organization has over the endpoint. Microsoft MD-102 tests these endpoint-management decisions directly. The Microsoft 365 certifications show how endpoint administration…

Windows Autopilot is easiest to learn for MD-102 as a deployment decision system. It uses the OEM-installed Windows image and cloud management to move an organization-owned device through identity, Intune enrollment, configuration, and application delivery without relying on a traditional custom-image build process. The important exam skill is choosing the right deployment mode and understanding what must already be true for the device to complete the journey. Microsoft MD-102 tests Autopilot as part of a wider endpoint-administration role rather than as an isolated deployment wizard. The Microsoft 365 certifications show…

Microsoft Intune device compliance and Microsoft Entra Conditional Access are often taught together because one can provide the device-state signal that the other uses in an access decision. They are not the same control. Intune compliance evaluates whether a device meets defined requirements. Conditional Access evaluates an authentication context and applies access controls based on signals such as user, device, location, risk, application, or compliance state. Understanding that boundary is the key to troubleshooting Microsoft MD-102 scenarios. As of October 5, 2026, candidates preparing for the Microsoft MD-102 exam should…

The TOGAF Architecture Development Method is often drawn as a cycle of phases, but the diagram is not the method. The real value of the ADM is that it gives architecture work a repeatable decision structure while allowing iteration, tailoring, and feedback as the enterprise learns more about its goals and constraints. The current TOGAF Practitioner expects candidates to apply the TOGAF Standard rather than merely recognize terminology. Practitioner competence includes using the ADM to develop, sustain, and transform architectures, tailoring the method, applying iteration and partitioning, and connecting architecture…

Enterprise architecture succeeds only when the people affected by a decision can understand the part of the architecture that matters to them. Executives need investment and risk implications. Product leaders need capability and dependency effects. Security teams need trust boundaries and controls. Delivery teams need enough structural detail to build the change. One diagram cannot answer all of those concerns well. The current TOGAF Practitioner treats stakeholder management as an applied architecture competency. Views and viewpoints are useful because they let architects represent the same architecture differently for different concerns…

Storage efficiency is useful only when it is interpreted together with physical capacity, workload behavior, and recovery requirements. A system can report impressive logical savings while still approaching a real capacity limit, and an efficiency feature that helps one dataset may deliver little benefit on another. ONTAP administrators therefore need to distinguish logical consumption, physical consumption, efficiency savings, and the operational headroom required to keep workloads healthy. The current NS0-165 sits inside the same ONTAP administration ecosystem. Existing NAS/SAN coverage handles storage-access fundamentals; the ONTAP architecture context explains the platform…

Microsoft Teams governance is not the same as restricting Teams. A healthy governance model lets people create and use collaboration spaces quickly while giving administrators enough control to prevent abandoned teams, uncontrolled guest access, inconsistent naming, unclear ownership, and policy sprawl. That balance sits directly inside the current MS-700 administrator role. As of October 5, 2026, Microsoft’s July 29 skills map is still the active blueprint, and Microsoft has announced that the English exam will update on October 27. The announced changes retain the core Teams administration areas, including governance-related…

ONTAP high availability starts with a simple operational promise: a controller problem or planned maintenance event should not automatically become a data outage. NetApp implements that promise through HA pairs, mirrored write information, partner access to storage or data, network path continuity, takeover, and giveback. The interesting part is how those mechanisms work together. This topic is narrower than a general ONTAP architecture overview. It focuses on failure and maintenance paths: what the healthy partner already knows, what changes during takeover, how clients continue reaching data, what additional load the…

MS-102 remains a current Microsoft exam in October 2026, but candidates are studying inside a defined transition window. Microsoft has announced that the exam and the Microsoft 365 Certified: Administrator Expert credential retire on November 30, 2026. That makes current-status accuracy essential: the MS-102 objectives still matter for anyone taking the exam before retirement, while preparation plans should also account for the changing Microsoft 365 administration training path. Within the current blueprint, deploying and managing a Microsoft 365 tenant is a relatively small percentage of the scored exam, but it…

Lifecycle management is one of the clearest places where VMware Cloud Foundation behaves like an integrated platform rather than a collection of separately patched products. Candidates preparing for VMware 2V0-17.25 need to understand how upgrades, prechecks, component sequencing, health validation, and recovery fit together across the VCF stack. The current VCF 9.0 Administrator blueprint expects administrators to operate the platform safely, not merely identify component names. That means lifecycle work should be studied together with the broader VCF architecture and component model so every change is connected to its dependencies….

vSphere and ESXi provide the compute virtualization foundation beneath VMware Cloud Foundation. For 2V0-17.25, candidates need to understand how hosts, clusters, vCenter, lifecycle, availability, and resource management fit into VCF administration rather than treating vSphere as an unrelated prerequisite. The current exam guide explicitly includes vCenter and ESX among the core VCF components. VMware Cloud Foundation architecture connects those components to workload domains, lifecycle management, networking, storage, and platform operations rather than treating virtualization as a standalone layer. ESXi hosts become part of a managed VCF domain An ESXi host…

vSAN is the storage foundation of the VCF management domain and an important part of the integrated platform candidates encounter on VMware 2V0-17.25. Broadcom’s current administrator guide includes vSAN explicitly among the components a minimally qualified candidate is expected to understand. The useful way to study vSAN here is operationally: how storage policy, host capacity, failure handling, maintenance, health, and lifecycle interact with VCF. That perspective fits the broader VCF architecture and components better than memorizing product marketing terms. vSAN pools local devices into cluster storage vSAN uses storage devices…

SDDC Manager sits at the center of many VMware Cloud Foundation lifecycle and inventory workflows, so candidates for VMware 2V0-17.25 need to understand it as an operational control plane rather than a menu of screens. Broadcom’s current VCF 9.0 Administrator exam guide expects familiarity with the architecture and management of VCF components, including SDDC Manager, vCenter, ESX, vSAN, and NSX. SDDC Manager administration centers on inventory, lifecycle sequencing, workload domains, credentials, host management, and troubleshooting boundaries. VCF architecture provides the platform context, while the administrator still has to determine which…