VCP Data Center Virtualization 4

Question 1

In vSphere, what is the function of Storage I/O Control (SIOC)?

Accepted Answer

Prioritizes datastore I/O access among competing VMs during contention

Answer

SIOC monitors datastore latency and, during congestion, enforces I/O shares to ensure higher-priority VMs get proportionally more disk access.

Question 2

What is the purpose of the vSphere Content Library?

Accepted Answer

Provides a centralized repository for VM templates, OVFs, ISO files, and scripts across vCenter instances

Answer

Content Library centralizes storage of VM templates and other content and can synchronize that content across multiple vCenter Server instances.

Question 3

Which VMFS version is the default datastore format in vSphere 7 and 8?

Accepted Answer

VMFS 6

Answer

VMFS 6 is the default in vSphere 7 and 8, offering automatic space reclamation (UNMAP) and support for 4K native drives.

Question 4

In a vSphere Distributed Switch, what is an uplink port group used for?

Accepted Answer

Mapping physical NICs (pNICs) of ESXi hosts to the distributed switch

Answer

Uplink port groups on a VDS define how physical NICs on each ESXi host are connected to the distributed switch, enabling consistent network policy.

Question 5

What is the maximum size of a VMFS 6 datastore?

Accepted Answer

64 TB

Answer

VMFS 6 datastores support a maximum size of 64 TB, using GPT disk partitioning to overcome the 2 TB MBR limit.

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