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VMware Certified Professional 2V0-21.20 Certification Flashcards

7 cards from real VCP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 VMware Certified Professional 2V0-21.20 Certification flashcards as text

  1. Which vSphere 7 security feature restricts what a VM can do if it suspects it has been compromised or modified?

    Answer: Secure Boot for VMs

    Secure Boot for VMs prevents a VM from booting if its boot components have been tampered with, enforcing firmware-level integrity.

  2. In vSphere 7, what does the 'VM Storage Policy' define for a virtual machine?

    Answer: The storage capabilities required, such as RAID level or encryption, mapped to compliant datastores

    VM Storage Policies declare required storage capabilities (performance, availability, encryption) and vSphere automatically places VMs on compliant datastores.

  3. Which vSphere 7 HA admission control policy reserves a percentage of cluster resources to ensure failover capacity?

    Answer: Percentage of cluster resources reserved as failover spare capacity

    The 'Percentage of cluster resources reserved' admission control policy holds back a defined % of CPU and memory so VMs can be restarted after host failures.

  4. What is the function of vSphere Network I/O Control (NIOC) in a vSphere 7 environment?

    Answer: Prioritizes network bandwidth among different traffic types such as vMotion and VM traffic

    NIOC allows administrators to define bandwidth shares, reservations, and limits for different traffic types on a shared physical NIC.

  5. In vSphere 7, which log file on an ESXi host contains the VMkernel boot and driver loading messages?

    Answer: /var/log/vmkernel.log

    vmkernel.log records VMkernel and driver activity, making it the primary log for hardware, storage, and network troubleshooting.

  6. Which vSphere 7 feature automatically patches ESXi hosts while keeping the cluster online using sequential host maintenance?

    Answer: vSphere Lifecycle Manager (vLCM) with cluster remediation

    vSphere Lifecycle Manager remediates entire clusters by placing hosts into maintenance mode sequentially while DRS migrates VMs to maintain availability.

  7. In a vSphere 7 environment, which command-line tool is used to manage ESXi hosts when vCenter Server is unavailable?

    Answer: ESXCLI

    ESXCLI is a command-line framework available directly on the ESXi host (via SSH or DCUI) that allows host management independent of vCenter.

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