Module 9: Resource Monitoring Lesson 1: Resource Controls and Resource Pools

Question 1

What storage technologies is storage I/O control supported on? (two)

Answer 1

Fibre Channel and iSCSI

Question 2

What are the default values when storage I/O control is enabled?

Answer 2

Normal (1000), unlimited IOPS

Question 3

What is the topmost resource pool called?

Answer 3

The root resource pool

Question 4

A VMware vApp is not only a container for virtual machines but also a _________ for its virtual machines.

Answer 4

Resource pool

Question 5

A vApp is an object specific to _________.

Answer 5

vCenter Server

Question 6

On what can you create a resource pool? (three)

Answer 6

ESX/ESXi standalone host, DRS cluster or another resource pool

Question 7

Like virtual machines, resource pools have what?

Answer 7

Shares, reservation, limit

Question 8

What is an expandable reservation?

Answer 8

It allows a resource pool that cannot satisfy a reservation to request a search through its hierarchy to find unreserved resources

Question 9

Where does a child resource pool obtain its resources?

Answer 9

From parent pool

Question 10

What do shares specify in regards to a resource pool or virtual machine?

Answer 10

The relative priority or importance

Question 11

What is the vmmemctl mechanism managed by?

Answer 11

VMkernel

Question 12

What is the virtual machine file location managed by?

Answer 12

Virtual machine owner

Question 13

What is RAM limit, reservation and share allocation managed by?

Answer 13

Administrator

Question 14

What is hyperthreading managed by?

Answer 14

VMkernel

Question 15

What is memory compression managed by?

Answer 15

VMkernel

Question 16

What is storage I/O control managed by?

Answer 16

Administrator

Question 17

What is multipathing managed by?

Answer 17

Administrator

Question 18

What is NIC teaming managed by?

Answer 18

Virtual Machine owner

Question 19

What is load balancing managed by?

Answer 19

VMkernel

Question 20

What is resource allocation?

Answer 20

The allocation of resources from resource providers to resource consumers

Question 21

Resource management allows you to ______ ______ resources.

Answer 21

Resource management allows you to dynamically reallocate resources.

Question 22

In regards to shares, what is a CPU limit?

Answer 22

The maximum amount of CPU, measured in megahertz, that this virtual machine is allowed

Question 23

In regards to shares, what is a CPU reservation?

Answer 23

Defines the amount of CPU, measured in megahertz, reserved for this virtual machine

Question 24

What do shares do?

Answer 24

Specify the relative priority or importance of a virtual machine

Question 25

What resources to proportional shares apply to?

Answer 25

CPU, memory and storage I/O

Question 26

A virtual machine has four user-defined memory settings that affect its memory resource allocation:

Answer 26

Available memory Memory limit, not to exceed available memory Memory reservation Memory shares

Question 27

What happens if the values for available memory and memory reservation differ?

Answer 27

The VMkernel allocates a swap file per virtual machine to cover the difference

Question 28

How does Storage I/O Control manage quality of service?

Answer 28

In the form of I/O shares and limits (measured in IOPS)

Question 29

What is the default amount of storage I/O shares allocated to a virtual machine?

Answer 29

Normal (1000)

Question 30

Certain operations must satisfy admission control:

Answer 30

Powering on a virtual machine Creating a resource pool with its own reservation Increasing a resource pooi’s reservation