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Interview Questions

VMware Interview Questions and Answers

VMware Interview Questions and Answers

VMware Interview Questions and Answers

VMware Interview Questions and answers for beginners and experts. List of frequently asked VMware Interview Questions with answers by Besant Technologies. We hope these VMware Interview Questions and answers are useful and will help you to get the best job in the networking industry. This VMware Interview Questions and answers are prepared by VMware Professionals based on MNC Companies expectation. Stay tuned we will update New VMware Interview questions with Answers Frequently. If you want to learn Practical VMware Training then please go through this VMware Training in Chennai.

Best VMware Interview Questions and answers

Besant Technologies supports the students by providing VMware Interview Questions and answers for the job placements and job purposes. VMware is the leading important course in the present situation because more job openings and the high salary pay for this VMware and more related jobs. We provide the VMware online training also for all students around the world through the Gangboard medium. These are top VMware Interview Questions and answers, prepared by our institute experienced trainers.

VMware Interview Questions and answers for the job placements

Here is the list of most frequently asked VMware Interview Questions and answers in technical interviews. These questions and answers are suitable for both freshers and experienced professionals at any level. The questions are for intermediate to somewhat advanced VMware professionals, but even if you are just a beginner or fresher you should be able to understand the answers and explanations here we give.

Q1) What is VMware and what does it do?

VMware is a virtualization and cloud computing software provider,    With VMware server virtualization, a hypervisor is installed on the physical server to allow for multiple virtual machines (VMs) to run on the same physical server.

Q2) What is VMware Server?

VMware Server could be a virtualization product that creates it attainable to partition one physical server into multiple virtual machines. VMware server works with Windows, Solaris, UNIX and Netware, any or all of which might be used at the same time on an equivalent hardware.

Q3) Is VMware a cloud?

VMware Cloud on AWS is an integrated cloud providing together developed by AWS and VMware delivering an extremely ascendable, secure and innovative service that permits organizations to seamlessly migrate and extend their on-premises VMwarevSphere-based environments to the AWS Cloud running on next-generation Amazon Elastic.

Q4) What square measure the benefits of virtualization?
  • Reduced disbursement. For firms with fewer than 1000 workers, up to forty p.c of Associate in Nursing IT budget is spent on hardware. …
  • Easier backup and disaster recovery. …
  • higher business continuity. …
  • additional economical IT operations. …
  • direct prices. …
  • code licensing issues. …
  • doable learning curve.
Q5) What is VMware vCenter?

VMware vCenter server may be a centralized management application that enables you to manage virtual machines and ESXi hosts centrally. vSphere consumer is employed to accessvCenter Server and ultimately manage ESXi servers. … for instance, you’ll be able to simply clone existing virtual machine in vCenter server.

Q6) What are the uses of ESXI?

VMware ESXi is associate enterprise-class, type-1 hypervisor developed by VMware for deploying and serving virtual computers.

ESXi replaces Service Console with a a lot of closely integrated OS. ESX/ESXi is that the primary element within the VMware Infrastructure package suite.

Q7) Why virtual machines ar used?

Virtualization limits prices by reducing the requirement for physical hardware systems. Virtual machines a lot of with efficiency use hardware, that lowers the quantities of hardware and associated maintenance prices, and reduces power and cooling demand.

Q8) What is a VM server?

A virtual machine server (VM server) hosts or runs virtual machines that run numerous operational systems and act as full computing platforms on their own through emulation and virtualization.

Q9) What is a VM host server?

a bunch virtual machine is that the server element of a virtual machine (VM), the underlying hardware that gives computing resources to support a specific guest virtual machine (guest VM). … The guest VM is Associate in Nursing freelance instance of Associate in Nursing software system and associated computer code and data.

Q10) Why is virtualization needed?

Virtualization reduces the amount of physical servers, reducing the energy needed to power and funky them. Save time. … it is also a lot of quicker to deploy a virtual machine than it’s to deploy a brand new physical server. cut back desktop management headaches.

Q11) What area unit the benefits and drawbacks of virtual machines?


  • Multiple OS environments will exist at the same time on an equivalent machine, isolated from every other;
  • Virtual machine can give associate degree instruction set design that differs from real computer’s;
  • simple maintenance, application provisioning, convenience and convenient recovery
  • Disadvantages:
  • once multiple virtual machines area unit at the same time running on a number pc, every virtual machine could introduce associate degree unstable performance, that depends on the work on the system by alternative running virtual machines;
  • Virtual machine isn’t that economical as a true one once accessing the hardware.
Q12) How will virtualization work?

Golf stroke multiple VMs on one pc permits many operational systems and applications to run on only 1 physical server, or “host.” a skinny layer of package referred to as a “hypervisor” decouples the virtual machines from the host and dynamically allocates computing resources to every virtual machine PRN.

Q13) What is hypervisor in VMware?

A hypervisor or virtual machine monitor (VMM) is laptop software package, code or hardware that makes and runs virtual machines. A laptop on that a hypervisorruns one or a lot of virtual machines is termed a number machine, and every virtual machine is termed a guest machine.

Q14) How will VMware vSphere work?

VMware vSphere includes the VMware ESX / ESXi hypervisor, a kind one hypervisor that functions because the virtualization server; the VMware vCenter Server, that manages vSphere environments; the VMware vSphere consumer, that is employed to put in and manage virtual machines through the hypervisor; and VMware VMFS, the file …

Q15) What will ESXi mean?

VMware ESXi (formerly ESX) is associate enterprise-class, type-1 hypervisor developed by VMware for deploying and serving virtual computers. As a type-1 hypervisor, ESXi isn’t a package application that’s put in on associate software package (OS); instead, it includes and integrates important OS parts, like a kernel.

Q16) What will the I in ESXi stand for?

ESX stands for Elastic Sky X is that the server virtualization platform from VMware. VMkernel is that the Virtualization kernel that is regulated by a console OS that is additionally called the service console.

Q17) How do I manage ESXi?
  • The vSphere consumer and therefore the vSphere internet consumer offer easiest way to manage your ESXi host and operate its virtual machines.
  • you’ll be able to use the vSphere consumer to attach on to the ESXi host. …
  • to put in the vSphere consumer and therefore the vSphere internet consumer, see the subsequent topics.
Q18) Does vCenter go together with vSphere?

vSphere and vCenter Server. VMware vSphere could be a suite of virtualization applications that has ESXi and vCenter Server. … The vSphere net consumer isthe interface to vCenter Server and multi-host environments. It conjointly provides console access to virtual machines.

Q19) What is the distinction between vCenter and vSphere?

vCenter server is analogous to vSphere consumer however it is a software package with additional power.vCenter server is put in on Windows Server or UNIX system Server or desktop/laptop.VMware vCenter server could be a centralized management application that allows you to manage virtual machines and ESXi hosts centrally.

Q20) How will a hypervisor work?

A laptop on that a hypervisor runs one or additional virtual machines is named a number machine, and every virtual machine is named a guest machine. The hypervisor presents the guest operational systems with a virtual operational platform and manages the execution of the guest operational systems.

Q21) Before start installing software what must be enabled in the server BIOS to run ESXi?

Enable the NX/XD bit.

Q22) One of the servers you found wasn’t on the list, and currently you have got a retardant that’s inflicting ESXi to the purple screen, thus you decision VMware for support. What would happen if they realized your hardware wasn’t supported?

once hardware isn’t supported there are familiar problems that may happen, and VMware cannot facilitate to resolve issues because of unsupported hardware.

Q23) What square measure three ways which will be used once doing associate Interactive ESXi installation?

Boot from a CD/DVD, boot from a USB, and PXE boot from a readying server on the network.

Q24) After numerous ESXi builds, you have got found out a quicker thanks to do the install employing a script. What’s the most distinction between Associate in Nursing interactive ESXi installation and a scripted installation?

The interactive install would force you to follow on and fill within the configuration data whereas, in a very scripted  install, the configuration data are going to be queried from Associate in Nursing unattended computer file (boot.cfg). Note: ESXi uses a Kickstart installer kind of like UNIX operating system.You can install ESXi in your sleep.

Q25) vwhat’s the command to access the installer window on ESXi five.5/6.x?

Shift+O can get you to the runweasel prompt.

Q26) One of your servers isn’t loading. What’s the primary issue to ascertain once having a haul putting in ESXi?

Make sure the hardware clock is about to UTC, and therefore the NX/XD bit is enabled within the BIOS.

Q27) Name five of the ten bits of data needed once putting in ESXi?

Keyboard Layout, VLAN ID, IP Address, Subnet Mask, Gateway, Pri DNS, Sec DNS, Host Name, Installation Location, Root positive identification.

Q28) What will happen if the .nvram file is deleted accidently from a VM?

.nvram file is employed to store the BIOS state of a VM. If it deleted for a few reason, then, .nvram file are created once more once the virtual machine is battery-powered on.

Q29) If you’re attending to upgrade vCenter, and also the previous vCenter is running on Windows Server 2003. What Windows OS is needed for vCenter five.x/6.x?

Windows 2008 SP2.

Q30) If you’re about to produce an inventory of ports you would like the network admin to open the firewall. what’s port 902 used for on vCenter?

Port 902 is that the default port vCenter uses to send knowledge to hosts managed by vCenter.

Q31) An previous vCenter was running MS SQL specific, however you’re building ten ESXi hosts. What’s the distinction between exploitation MS SQL Server specific and MS SQL Server for vCenter?

MS SQL Server specific is for vSphere installations with up to five ESXi hosts and fifty virtual servers.

Q32) If your new boss doesn’t like MS SQL and asked you to use Oracle. will vCenter support Oracle 11c or 12c?

Yes, however the JDBC driver should be put in manually.

Q33) What ar the four typical ways in which storage will be additional to a vSphere?

Storage will be additional via iSCSI, FC, NFS and native disk (including DAS).

Q34) When fitting a brand new datastore what number VMFS file systems ought to be created per LUN?

the most effective follow is to solely produce one VMFS filing system per LUN.

Q35) What is the most effective set up for a storage failure that impacts multiple datastores?

continually have a backup of the VMs on a separate storage atmosphere that may be wont to restore the lost virtual servers.

Q36) If your host could be a beast, twin socket with eight core CPUs and 192 GB of memory. what percentage virtual servers will be additional to a 1TB datastore?

It depends on the scale of the VMs and also the performance of the storage. Higher acting storage will be stuffed to capability, however area ought to be left for information growth and snapshots. A datastore ought to ne’er be allowed to stock up 100%.

Q37) Name four things that happen on the VMkernel networking layer?

vMotion, science storage (iSCSI/NFS), Fault Tolerance and Virtual SAN.

Q38) An administrator desires to attach ESXi host directly from vSphere net consumer. that ports ar needed for this purpose?

vSphere net consumer is employed to attach vCenter Server and VClient is employed to attach ESXi hosts. however vSphere net consumer may also be accustomed connect vCenter Server, except for this purpose you’ll want 443 TCP, 902 TCP and UDP, and 903 TCP ports to be opened from Security Profile.

Q39) Clock time of associate degree ESXi half-dozen.x host isn’t correct. What ought to associate degree administrator do to correct this issue?

To correct the time on ESXi host, modify the time for the host exploitation the vSphere shopper and, correct the NTP settings within the /etc/ntp.conf file.

Q40) An administrator desires to termination the host victimization ESXi host. that possibility would be employed in Direct Console programme to perform this task?

To termination the host for Direct Console programme (DCUI), administrator can press F12 Key.

Q41) An administrator will access ESXi host via vCenter Server victimization vSphere net shopper however unable to access directly via VClient. What ought to he do to access ESXi host directly?

If ESXi host connected to vSphere net shopper is being accessed and can’t be accessed directly, we must always make certain internment isn’t enabled. If it enabled, we must always be disabled. as a result of if internment is enabled, ESXi hosts will solely be accessed via vCenter Server, you can not directly access any host.

Q42) If Strict imprisonment Mode is enabled on AN ESXi host, that action ought to AN administrator perform to permit ESXi Shell or SSH access for users with administrator privileges?

Administrator can add the users to Exception Users and change the service to permit ESXi Shell or SSH access.

Q43) SSO is a crucial element of vCenter Server. that SSO element problems Security Assertion terminology tokens?

VMware Security Token Service element of SSO grants SAML tokens.

Q44) What valid Identity supply is employed to tack vCenter Single Sign-On?

OpenLDAP may be a valid Identity supply for configuring vCenter SSO.

Q45) What happens to the files contained on shared storage once a Content Library is deleted?

When Content Library is deleted, all keep files in content library are going to be deleted.

Q46) What is the utmost variety of vCPUs ar needed for a VM in vSphere half dozen.0?

Maximum 128 vCPUs are often allotted to a VM vSphere half dozen.0.

Q47) A windows domain user will be logged into vSphere victimization vSphere internet consumer. What area unit the wants to be met for this feature to be out there and functional?

An administrator will permit users to login to vSphere internet consumer victimization Windows session authentication. For this purpose, Install the vSphere internet consumer Integration browser plug-in on every pc from wherever a user can sign up. The users should be signed into Windows victimization Active Directory user accounts. And, administrator should produce a sound Identity supply in Single Sign-On for the users’ domain.

Q48) An administrator needs to clone a virtual machine mistreatment the vSphere shopper. that explains why the Clone choice is missing?

To clone a VM may be perform from vCenter Server either you connected  via vSphere internet shopper or VClient. If you’re directly connected to associate degree ESXi host, you can not perform biological research of a VM.

Q49) What is VMware FT?

FT stands for Fault Tolerance terribly outstanding element of VMware vSphere. It provides continuous handiness for VMs once associate degree ESXi host fails. It supports up to four vCPUs and sixty four GB memory. linear unit is incredibly information measure intensive and 10GB NIC is suggested to tack together it. It creates a whole copy of a complete VM like storage, compute, and memory.

Q50) An administrator put in Windows Server 2008 and wish to put in vCenter Server on that however failing once putting in on a Windows virtual machine?

vCenter Server installation needs 64bit Windows OS to put in. If you are attempting to put in it on Windows Server 2008, it’d not be put in and installation are going to be failing. vCenter Server are going to be put in in Windows Server 2008 R2 or higher Windows OS.

Q51) What is VMKernel ? why it is important?

It is a virtualization interface between a VM and the ESXi host which stores VMs.It’s responsible to allocate all available resources from host to VMs such as memory, CPU, storage etc. VMKernal also controlled special services like vMotion, Fault tolerance, NFS, traffic management and iSCSI.

Q52) In Vsphere 6.0 how many vCPUs can be used for a VM in FT?

Max 4 vCPUs and 64 GB RAM can be used.

Q53) Which technology is used in VMware FT?

VMware FT Uses vLockstep technology

Q54) Then What is Vlockstep Technology?

It’s captures inputs,movements and events that occur on a primary VM and sends them to a secondary VM.

Q55) What is Fault Tolerant Logging?

when FT is configured, the communication between two ESXi hosts is called FT logging. pre-requisition to configure FT requires VMKernel port.

Q56) Is it ture, FT work if vCenter Server goes down?

yes, vCenter server is only required to enable Fault Tolerance on a VM. Failover between primary and secondary will occur if the vCenter is down.

Q57) What are the major difference between VMware HA and FT?

Major difference between VMware HA and FT is: HA is enabled per cluster and VMware FT is enabled per VM. In HA, in case of a host failure VMs will be re-started and powered-on on another host, while in FT in case of host failure there is no downtime because the second copy will be activated .

Q58) What is virtual networking?

Network card of running VMs on a physical server that is connected logically with each other is called virtual networking.

Q59) What is virtual Standard Switch (VSS)?

The Vss is responsible for communication of VMs hosted on a single physical host. It works same like a physical switch automatically detects a VM which want to communicate with other VM on a same physical server.

Q60) What is Virtual Distributed Switch (vDS)?

vDS acts as a single switch in a whole virtual environment and is responsible to provide central provisioning, administration, and monitoring of the virtual network.

Q61) How many maximum standard ports per host available?

Max. 4096 ports per host are available in both a standard switch or distributed switch.

Q62) What is VMKernal adapter and what is the use?

It provides network connectivity to the ESXi host to handle network traffic such as vMotion, IP Storage, NAS, Fault Tolerance, and vSAN. Each type of traffic like vMotion, vSAN etc. a separate VMKernal adapter should be created and configured

Q63) What is the improtnat use of port groups?

The main use is you can segregate the network traffic by using port groups such as vMotion, FT, management traffic etc.

Q64) What are 3 port groups configured in ESXi networking?
  • Virtual Machine Port Group – Used for VM Network Communications
  • Service Console Port Group – Service Console Communications
  • VMKernel Port Group – Used for VMotion, iSCSI, NFS, FT Communications
Q65) What is VLAN and why we use in virtual networking in Datacenter?

VLAN is a logical configuration on the switch port to segment the IP Traffic where each segment cannot communicate with other segments without proper rules mentioned is called VLAN and every VLAN has a proper ID. We can able to configure in Physical switch not VSwitch

Q66) What is VLAN Tagging?

It is a method through which more than one VLAN is handled on a port. VLAN tagging is helps to tell which packet belongs to which VLAN on the other side.

Q67) What are the 3 network security policies/modes on vSwitch?
  • Promiscuous mode
  • MAC address change
  • Forged transmits
Q68) hat is promiscuous mode?

If we select Accept, VM will receive all traffic port group via vSwitch. The default mode is Reject

Q69) What is MAC address changes network policy?

If we select Accept, a host will accept requests to change the effective MAC address. The default mode of this policy is Reject.

Q70) What is Forged transmits network policy?

If we select Accept, a host will not compare the source and effective MAC address transmitted from a VM.The default mode is Reject.

Q71) What is Platform Services Controller (PSC) and its components?

This is first introduced in version 6 of VMware vSphere which handles infrastructure security functions. It has three main components.

  • Single Sign-On (SSO)
  • VMware Certificate Authority (CA)
  • Licensing service
Q72) What are the two main deployment methods of PSC?

You can install PSC in two ways:

  • Embedded
  • Centralized
Q73) What are different types of vCenter Server deployment?
  • Embedded Deployment
  • External deployment
Q74) What is the security step to secure vCenter Server and users?

We can Authenticate vCenter Server with Active Directory so we can assign specific roles to users and can also manage the virtual environment in an efficient way.

Q75) What is datastore?

This is the location where virtual machine files are stored and accessed. It is based on a file system which is called VMFS, NFS.

Q76) What is the .vmx file?

This file is called VM configuration file

Q77) What information stored in.nvram file?

.nvram file stores BIOS related information of a VM.

Q78) What is .vmdk file?

It is  Virtual machine disk file and stores data of the VM. In vSphere 6.0 version it can be up to 62 TB in size.

Q79) How many types of disk in VMware?

There are 3 disk types in vSphere.

Thick Provisioned Lazy Zeroes: Physical space is allocated to a VM While creating Virtual Disk. We can’t be converted to thin disk.

Thick Provision Eager Zeroes: This disk type is used in VMware Fault Tolerance and high I/O. The disk space is allocated to a VM at time of creation takes more time to create a virtual disk compare to other disk formats.

Thin provision:  on-demand allocation of disk space to a VM. When data grows, the size of a disk will grow. Storage capacity utilization up to 100% with thin provisioning.

Q80) VM Hardware version for vSphere 6.0?

Version 11

Q81) What VM hardware version for vSphere 6.5?

Version 13

Q82) Maximum no. of hosts can manage a vCenter Server in vSphere 6.0?

One vCenter Server can manage maximum 1000 hosts either in Windows or in vCenter Appliance (vCSA).

Q83) Maximum no.of hosts can be managed by a cluster in vSphere 6.0?

maximum 64 hosts

Q84) How many maximum VMs be managed by a single cluster?

maximum of 8000 VMs.

Q85) What is Virtual Volume?

its a new VM disk management concept n vSphere 6.0 that enables array-based operations at the virtual disk level. Its automatically created when a virtual disk is created in a virtual environment for a VM.

Q86) Maximum RAM can support vSphere 6.0?

upto 12TB of RAM.

Q87) What is Content Library?

Content Library is the central location to share between geographical locations with vCenter Servers where you can store VM templates, ISO images, scripts etc.

Q88) What are the benefits of content libraries?

We can create VM templates and can share on another geographical location of a company without creating again on other locations.

Q89) What is Virtual SAN?

VSAN aggregates locally attached storage of ESXi hosts which are part of a cluster and creates a distributed shared solution. Virtual SAN is a software-defined storage and it was introduced in vSphere 5.5 and is fully integrated with vSphere.

Q90) What is cold migration and hot migration?

Moving a powered-off VM from one host to another is called cold migration. Move a powered-on VM from one host to another is called hot migration

Q91) What is Storage vMotion?

To move a powered-on / off VMs disk from one datastore to another is called Storage vMotion.

Q92) What are the different configuration options in VSAN?

There are two configurations:

  • Hybrid: Uses both flash disk and magnetic disks for storage.
  • All-Flash: It Uses flash for both caching and storage
Q93) Is there VSAN ready nodes are available in the market?

Yes, vSAN-ready node such as VxRail 4.0 and 4.5 are available in the market. VxRail is the combination of 3 servers ( minimum) and are part of a cluster and can scale up to 64 servers.

Q94) How minimum hosts are required to configure vSAN?

To configure a vSAN cluster we should have minimum of 3 ESXi hosts/servers in the form of a vSAN cluster. If any one of the servers fails vSAN cluster will fail.

Q95) How many maximum ESXi hosts allowed for vSAN?

Max. 64 hosts

Q96) How many disk groups, max magnetic disks are allowed in single disk group?

Maximum 5 disk groups can be allowed on an ESXi host which is a part of a vSAN cluster and a maximum of 7 magnetic disk and 1 SSD per disk group is allowed.

Q97) How many types of storages can be used in virtual environment?

Direct Attached Storage

Fiber Channel (FC)


Network Attached Storage (NAS)

Q98) What is Network File System (NFS)?

NFS is a file sharing protocol that ESXi hosts uses NFS Protocol to communicate with a NAS device. A NAS is a specialized storage device that connects to a network and can provide file access services to ESXi hosts.

Q99) What is Raw Device Mapping?

RDM is file stord in a VMFS volume that act as a proxy for a raw physical device. Raw Device Mapping enables you to store virtual machine data directly on a LUN. Raw Device Mapping is recommended when a VM must interact with a real disk on the SAN.

Q100) What is an iSCSI storage?

An iSCSI SAN is consists of an iSCSI storage system, which contains one or more storage processors. TCP/IP protocol is used to communicate between host and array and an iSCSI initiator is configured with the ESXi host.ISCSI initiator can be a hardware/ software -based. Hardware Based either be dependent or independent and software-based known as iSCSI software initiator.

Q101) What is the format of iSCSI addressing?

It is using TCP/IP address to configure.

Q102) What are iSCSI naming conventions?

iSCSI names are in two different ways:

  • the iSCSI qualified name (IQN)
  • extended unique identifier (EUI)
Q103) What is vApp?

vApp is a container or group of VM that can be package and manage multi-tiered applications for specific requirements for example, Web server, database server, and application server can be configured as a vApp and can be defined their power-on and power-off sequence in the rules.

Q104) What is alarm why we use them?

Alarm are notification which appears when an event occurs. there are many default alarms exist for the inventory objects.Alarms can be created and modified using vSphere client

Q105) What hot-pluggable devices can be added while VM is running?

We can also add CPU and RAM for that we need to enable the options and We can add HDDs and NIC while VM is running.

Q106) What is a Template?

Installed VM can be converted into a template but it can’t be powered-on. When a VM is converted to be a format which can be used to create a VM with pre-defined settings is called a template.

Q107) What is Snapshot?

Snapshot is a copy of a VM with the timestamp as a restore point is called a snapshot. Snapshots can be taken when an upgrade or software installation is required. For better performance, a snapshot should be removed after the task completed

Q108) How to Perform a physical machine into a VM convertion?

Step 1 : Install an agent on the Physical machine

step 2 : VI client should have Converter Plug-in

Step 3 : We have a server to import and export virtual machines

Q109) What is vMotion and what is the main purpose to use it in a virtual environment?

It is a very improtant feature of VMware vSphere used to live migrate running VMs from one ESXi host to another host without any downtime. Datastores and ESXi hosts both can have common shared storage

Q110) What is the main difference between clone and template?

A clone is the copy of a V

M. By cloning of a VM, it will save time if multiple VMs with the same configurations are required to configure. A template is a master copy of the Image created from a VM which can be later used to create many clones after converting a VM to a template, it can’t be powered-on or edited.

Q111) What monitoring method is used in vSphere HA?
  • Network Heartbeat
  • Datastore Heartbeat
Q112) How is master host elected in vSphere HA?

When HA is enabled in a cluster, all hosts will take a part in this election process to be selected as a master host. A host which has the highest number of datastores will be selected as a master host. All other hosts will remain slave hosts.

Q113) What is the purpose of VMware Tools?

It is a suite of utilities that enhances the performance of the VMs guest operating system and improves management of the virtual machine. Without this VMware tools installed in your guest operating system, guest performance lacks important functionality.

Q114) What is VMware DRS?

DRS stands for Distributed Resource Scheduler that automatically balances the available resources between the hosts by using cluster or resource pools. With the help of HA and DRS can be move VMs from one host to another to balance the available resources among VMs.

Q115) What is share, limit, and reservation?

Share: A value that specified the relative priority or importance of a VM access to given resource.

Limit: Consumption of the CPU cycle or a physical host memory that cannot cross the defined value.

Reservation: This value defines in the form of CPU / memory and must be available for a VM to start.

Q116) What is the ESXi Shell?

It is a command-line interface and it is used to run repair and diagnostics of ESXi hosts. It can be accessed via different ways like DCUI, vCenter Server enable/disable, and via SSH.

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