VCP Virtual Machine Management & Lifecycle 2

Question 1

What is the primary role of VMware Tools installed inside a guest operating system?

Accepted Answer

To enhance VM performance and enable features such as graceful shutdown, time synchronization, and quiesced snapshots

Answer

VMware Tools provides guest OS drivers and agents that improve performance, enable vSphere integration features like quiesced snapshots, and allow graceful power operations.

Question 2

Which virtual disk provisioning type allocates all disk space at creation time AND zeroes out all blocks before the VM first writes to them, providing the best I/O performance?

Accepted Answer

Thick Provisioned Eager Zeroed

Answer

Thick Provisioned Eager Zeroed pre-allocates all space and zeroes every block at creation, eliminating the need to zero blocks on first write and delivering the best I/O performance.

Question 3

What is the purpose of a Raw Device Mapping (RDM) in a vSphere environment?

Accepted Answer

To allow a virtual machine direct access to a physical LUN on a SAN

Answer

An RDM provides a mapping file that allows a VM to directly access a physical SAN LUN, which is useful for clustering applications and workloads requiring raw disk access.

Question 4

Which file stores the configuration settings (CPU count, memory size, hardware devices) of a VMware virtual machine?

Accepted Answer

.vmx

Answer

The .vmx file is the primary VM configuration file containing all hardware settings, device assignments, and metadata for the virtual machine.

Question 5

What is memory ballooning in vSphere, and how does it affect a virtual machine?

Accepted Answer

A memory reclamation technique where VMware Tools reclaims idle guest memory, potentially causing the guest to swap and degrading performance

Answer

Memory ballooning uses a balloon driver in VMware Tools to reclaim memory from a guest by inflating inside the guest OS, forcing it to swap to disk, which can degrade VM performance.

VCP - VMware Certified Professional Practice Test

VCP - VMware Certified Professional Practice Test

VCP Virtual Machine Management & Lifecycle 2