VMware Updated 2V0-11.25 Exam Questions and Answers by aj

Comprehensive and Detailed Explanation From Exact Extract:

According to the officialVMware Cloud Foundation 5.2 Administration GuideandVMware NSX Data Center documentation, the required and recommended steps to enable proper backup and recovery for the SDDC Manager and NSX Manager components are as follows:

Option B: Configure the backup settings in SDDC Manager.Exact Extract from official documentation:

“You must configure backup settings in SDDC Manager to ensure scheduled, automated backups of critical SDDC Manager configuration and inventory data. Backups are stored as files that can be used to restore SDDC Manager in case of a failure or disaster.”

(VMware Cloud Foundation Administration Guide – Backing Up SDDC Manager)

Option D: Prepare an external SFTP server to store file-based backups.Exact Extract from official documentation:

“Configure an external SFTP server to store SDDC Manager backup files. SDDC Manager supports only file-based backups using SFTP as the storage protocol.”

(VMware Cloud Foundation Administration Guide – Configuring Backup Destinations)

Why Not the Other Options?

Option A:Exporting an archive file from NSX Manager is a manual method and does not constitute a complete, restorable backup suitable for full site failure recovery.

Option C:Image-based backups for NSX Manager arenot supportedand can cause issues with the integrity and recoverability of NSX appliances, as per VMware best practices.

Option E:Snapshots of the NSX Edge cluster arenot supportedfor backup and recovery; VMware specifically advises against using snapshots for backup purposes of NSX appliances.

Summary:

The administrator mustconfigure the backup settings in SDDC Manager (B)andprepare an external SFTP server (D)to enable secure, automated, and restorable backups of SDDC Manager and NSX components, as recommended and required by the official VMware Cloud Foundation 5.2 documentation.

To enable lockdown mode, you first need to navigate to the ESXi host's settings in the vSphere Client, where you can configure security settings such as lockdown mode.

Enabling "Strict Lockdown Mode" restricts all direct access to the ESXi host, ensuring that only authorized users can manage the host through vCenter and preventing direct login via the ESXi console or SSH.

Comprehensive and Detailed Explanation From Exact Extract:

According to theVMware Cloud Foundation 5.2 Administration Guideand the officialvSphere Networking documentation, prioritizing virtual machine (VM) network traffic for business-critical applications in a VCF environment requires configuring Network I/O Control (NIOC) on the vSphere Distributed Switch (vDS), allocating bandwidth resources, and creating resource pools for VM traffic. Below are the exact extracts and official explanations:

Option A: Configure a bandwidth resource allocation for the virtual machine traffic type.Extract from official VMware documentation:

“With Network I/O Control (NIOC) enabled on the vSphere Distributed Switch, you can allocate bandwidth to specific network resource types such as virtual machine traffic. Configuring bandwidth allocation ensures that business-critical VM traffic is prioritized on the physical network.”

(VMware vSphere Networking Guide)

Option B: Enable Network I/O control (NIOC) on the workload domain vSphere Distributed Switch (vDS).Extract:

“Network I/O Control must be enabled on the vSphere Distributed Switch to use features such as bandwidth allocation and resource pools. This allows you to guarantee minimum bandwidth and prioritize specific traffic types, including VM traffic.”

(VMware vSphere Networking Guide, VMware Cloud Foundation Administration Guide)

Option F: Configure a new network resource pool to assign shares, limits and reservations for the virtual machine traffic.Extract:

“Network resource pools allow administrators to assign shares, limits, and reservations to virtual machine traffic on the vSphere Distributed Switch. This ensures that business-critical workloads receive the necessary network resources, even in times of contention.”

(VMware vSphere Networking Guide)

Why Not the Other Options?

Option C:Creating a new vDS is not required specifically for prioritizing VM traffic; this can be done within the existing vDS.

Option D:While dedicated adapters can help with physical separation, they do not control network priority among traffic types within the vDS.

Option E:Disabling all other allocations is not recommended or supported and could disrupt other network operations.

Summary:

To ensure business-critical virtual machine traffic is prioritized over other types, the administrator should:

Enable NIOC on the vDS (B),

Configure bandwidth resource allocations for VM traffic (A), and

Create a new network resource pool to set shares, limits, and reservations for VM traffic (F).These steps are outlined and supported by the official VMware Cloud Foundation and vSphere Networking documentation.