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