VMware Professor Quiz

You can import a virtual appliance form what 2 types of files?

.OVF .OVA

What is the VMs memory reservation by default

0

What is required of the network in order to use Fault Tolerance?

10 gb

Under vSphere 6.0, what are the maximums for VMs, relating to number of CPUs, number of vNICs, number virtual disks, memory

128 CPUs 10 vNICs 4 TB 60 virtual disks

How frequently does ESXi produce a 'snapshot' of all performance stats?

20 sec

How much information can be held in a content library?

256 items

If a VM has a 4GB of available memory and 1GB reservation, how large will its swap file be?

3

How many extents can a VMFS datastore contain?

32

How many CPUs can a fault tolerant VM have? How much Memory?

4

Which NFS protocols are supported?

4.1, 3.0

What are the two Basic types of datastores?

Block (VMFS) file (NFS)

What resources do resource pools allow you to manage?

CPU and Memory

required to install ESXi on the host?

CPUs 2 4GB ram 12 TB

Identify 3 ways you send the CTRL-ALT-DEL keystroke sequence to your VM.

CTRL-ALT-Insert, send it, menu option

What feature of VDP allows for incremental backups?

Changed block tracking (CBT)

If the Master host doesn't receive network heartbeats from a slave host, what does it do next?

Checks the datastore

how can you create a template using a VM that is powered on

Clone

Name 4 techniques that ESXi uses to optimize and manage the use of physical memory?

Compression Balloon Transparent Page Sharing (TPS) Swapping

What are the 2 alarm triggers?

Condition, and events

What are the the 3 storage multipathing policies? explain the behavior of each, regarding "failback"

Fixed preference (fails then failback), Most Recently Used (keeps the active path after one is failed), Round Robin (sends 1000 I/Os down each path),

You'd like to hot-add a vCPU to your VM.

Guest OS must support it

Explain the terms initiator, Target and LUN, and give examples of these.

HBA/iSCSI,NIC > Storage port on an array, looks like a disk drive

The vCenter Server Appliance is distributed as what type of file?

ISO

What happens if a VM has a CPU reservation and that reservation cannot be provided by ESXi?

It won't run

vCenter Appliance advantages

Its free

What services does the Platform Services Controller provide?

Licensing Certificates single sign-on SSO

What are the 3 types of Content Libraries?

Local Published Subscribe

name 5 uses for a vmkernel port.

Management vMotion vSphere HA iSCSI NFS

What network is used for heartbeats between slaves and Master?

Management Network

Not every datastore is a LUN. Name a type of Datastore that is not a LUN.

NFS

Name several ways in which NFS 4.1 differs from NFS 3

NFS 4.1 does true multipathing

When creating an NFS version 3 datastore, what information does the wizard request?

NFS Server, Directory Read/only or not Name of Datastore

Can you link virtual switches with an ISL?

No it can't be done because its on the physical level

My environment requires that vCenter Server be installed with an external Platform Service Controller (PSC). Which should I install first?

Platform Services

What are the 3 security policies?

Promiscuous MAC addr Changes (inbound) Forged XMITS (outbound)

Not every LUN is a datastore. Name a use for a LUN that is not a datastore.

Raw Device Mapping (RDM)

The storage administrator just made 6 new LUNs available to your ESXi host. Yet, you do not see them when you look at your host's storage. What must you do?

Scan

With NFS, regardless of version, which underlying protocols are supported?

TCP

Which two virtual disk types are the quickest to create?

Thin provisioned,

Which virtual switch policy effectively throttles a VM use of the network?

Traffic Shaping (outbound)

How is VDP differ from the traditional approach used to backup physical servers?

VDP reads the vmdk directly and grabs it instantly while the vm is on.

Name 3 types of connections to a virtual switch?

VM port group VMkernal port uplink

What 'part' of a virtual switch might contain VLAN information?

VM port group VMkernal ports

Name at lest 5 requirement for vMOtion to succeed?

VMK port Shared storage CD/RDM (nothing locally attached) 1GB Ethernet Affinity (no vm assigned to CPU)

of these the 3 types of connections, which one(s) require an IP stack (IP address, etc)?

VMkernal port

Which of the following can be restored using VDP:

VMs virtual disks, individual files

Why might the balloon driver be unavailable for a VM?

VMware Tools

What type of datastore is NEW with vSphere 6.0?

Virtual Volumes

What are the graphical user interfaces available to manage vSphere?

Web Client vSphere client

While using the vSphere client, you dont see any option to manage VDP or replication. Why not?

Web client only

Will Ha functon if vCenter goes down?

Yes it doesnt require vCenter

I'd like to run the Web Client to manage my host. What is the effect if the vCenter Server is Down

You can't access the host

Explain 2 ways you can increase the size of a VMFS datastore?

add LUNS Expand LUN

How can you install additional software on a template

convert to vm and install software on it

What benefit does Hyperthreading provide?

doubles the core output or more

you increased the size of the virrtual disk tha tWindows VM has for its C: drive. yet the C: drive is still the same size. what do you need to do?

extend the drive

Which type of Basic Datastore can be shared between ESXi Hosts?

iSCSI, FC,FCoE

Name 4 types of disk storage that support VMFS.

iSCSI, FCoE, FC, DAS

Under what circumstances should the vCenter Server and the Platform Services Controller be on separate machines?

if there are more than one vCenter

Why might you disable admission control? what is the risk?

it lets you starts fewer vms to keep things unused

Virtual Switches operate at what networking layer?

layer 2

advantages of having vCenter as a VM?

migrate Not dedicated hardware

What are the best practices for iSCSI networking?

multiple paths, Isolated traffic, Flat network, No routing

HA: what happens if the Master host fails?

new master is elected

Cna you convert a powered-on VM to a template

no

advantages of Windows-based vCenter

no performance benefit

Update Manager is an additional vCenter service. What is required on the vSphere Client to access this service?

plug-in

What control do you have over which Vms from a failed ESXi host restart first?

restart priority

Lockdown mode is what?

root you can putty to CLI and only one user can access the ESXi host, only vCenter

What Services does the vCenter Server Provide?

vCenter server Service Web Client Server Inventory service

If you run the vSphere client directly against an ESXi host, which features of vSphere will not be available

vMotion vSphere HA vSphere DSR Cloning Template

How can I manage my host if vCenter Server is down?

vSphere Client

Which Graphical user interface can be run against ESXi directly?

vSphere client

What type of datastore combines local disks on several ESXi hosts into one shared datastore?

virtual SAN

Name at least 6 files that comprise a VM

vm1.vmdk (shows disk) vm1-flat.vmdk (actual disk) (delta).vmdk (snapshots) .vmx (configuration) .nvram (non-volatile RAM) (doesnt .vmtx (template) .vswp (Swap)

Which vNIC provides the best performance? Why might it not be available to a VM you just created?

vmxnet3

Can you clone a VM that is powered on?

yes

After a VM is vMotioned to another host, will its network traffic be handled by a different physical switch port?

yes because the files are moved to a different host

Can a virtual Switch have 3 physical NICs (vmnics) as uplinks?

yes for redundancy (NIC Teaming)

If your ESXi host has 32GB of memory could you give each of 6 VMs a reservation 8GB

yes, but you can't start all of them all at once

Can you have a virtual switch with no uplinks?

yes, internal switch is what it is and breaks vMotion

using vSphere client (not web) you notice when you right-click a powered off VM, "convert to template" is not an available option, why not?

you need to use the vSPhere client against vCenter not the host

What software component denies a VMs attempt to power on if doing so leaves insufficient failover capacity

Admission control

If a VMs available memory is 4gb what is the memory limit by default?

4gb

How large can you grow a VMFS datastore?

64 TB

If a host has 2 sockets each with 4 cores, what is the memory limit by default?

8

What physical configuration do I need to ask the networking people to provide if I plan to assign VLANs on a VM port group on a virtual switch?

802.1Q

When you're physically in front of the ESXi host, what is the name of the user interface?

DCUI (Direct Console User Interface)

What is the term for multiple vCenter Servers working together, allowing you to display all of the vCenters and their inventory in one instance of the Web Client?

Enhanced Linked Mode