In order to take the right talent on board, the recruiters pose technical interviews apart from HR processes. Technical interviews assess the professional’s hands-on experience and technical expertise.
A few of the interview questions on VMware Technology typically asked for an intermediate fresher candidate have been discussed here along with its answers.
Hope these basic technical Q&As of an interview keeps you calm as you wait for the turn to get interviewed.
VMware, being the virtualization leader needs no introduction. It is a known fact that it provides solutions in the field of
The specialty of VMware is that it updates with the evolving technology. The versions represent the new add-ons of the technology. And organizations have realized the potential of going virtual and is in the constant hunt for subject matter experts.
So, it’s high time for you to get ready for the interview and grab the opportunity. A few common VMware Interview questions and its answers in 2018 have been discussed here for your reference studies that would help you to crack the technical round.
Virtualization refers to the creation of virtual machines and its remote management. The virtual versions of the physical components includes the storage devices, network devices, servers, and, etc.
With virtualization, one is able to run multiple virtual machines on a single physical machine.
The main benefits of implementing virtualization include:
The physical machine could be converted to a virtual machine in simple three steps. They are
The main types of virtualization include Server, Network, Storage, Application, and Desktop.
Migration in VMware refers to the process of transferring the virtual machine from one host or storage location to the other one. It is an added advantage for using the virtual machines. The migration could be either hot or cold.
Hot migration refers to the transfer of the operating system and the applications to the physical machines from the virtual machines while the OS or the applications still in its running stage. Whereas, cold migration involves the suspended virtual machines or turned-off migration. The disks are moved from one datastore to another.
VMware tools represent a suite of utilities which enhance the performance of the virtual machines’ guest operating system and the VM management.
Installation of the VMware tool eliminates or enhances the issues like
|1||Clone forms the exact copy of the running VM||It is the baseline image for the virtual machine having predefined configurations|
|2||Cloning creates the exact copy with same configurations and no additional settings||Creation of template is creating a master image from where multiple virtual machines could be deployed|
|3||A clone is created by right-clicking the running virtual machine and click clone||A template is created by converting/cloning a virtual machine or cloning another template|
|4||Best suited for test and development environments||Best suited for the production environment|
|5||Not suitable for virtual machine mass deployment||Suitable for virtual machine mass deployment|
|6||Clone is not converted back||Template is converted back|
|7||Templates could not be created while powered on||Clones could be created while powered on|
A hypervisor or the virtual machine monitor is nothing but the computer firmware, hardware, or the software which creates and runs the virtual machines. The computer on which the hypervisor runs is called the host machine and the virtual machine is called the guest machine.
They are mainly of two types:
Type 1 or the Native/Bare metal Hypervisor: It runs directly on the hardware of the host and manage the hardware and guest operating systems.
Apart from VMware ESX and ESXi, other hypervisor includes Microsoft hypervisor, Citrix XenServer, Oracle VM, and, etc.
Type 2 or the Hosted Hypervisor: It runs on the conventional operational system.
Apart from VMware Workstation, VMware Server, other hypervisors include Microsoft Virtual PC, Oracle VM Virtualbox, Red Hat Enterprise virtualization, and, etc.
VMware Fault Tolerance delivers continuous availability for the virtual machines even in an event of failover condition by creating and maintaining the secondary VM that is identical to the primary VM and is made available continuously. Fault Tolerance [FT] could be enabled for most of the virtual machines.
By authenticating the vCenter with the Active Directory, one can assign specific roles to the users and thus manage the virtual environment efficiently and in a secure manner.
Virtual Desktop Infrastructure [VDI] hosts the desktop operating system on the centralized server in a data center. It is also referred as server-based computing as it is the variation on the client-server computing model.
The end user gets connected to their desktop by using the thin client. Moreover, the end user may get connected to the desktop by using the VMware Horizon view.
VMware comes with several features that make the user easy for access and maintain. A few of the features include:
Easy to use wizard for settings configuration
Web browser interface
Tools to create and maintain hosts
Easy maintenance of virtual machines
Configure VMware settings with easy graphics
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Facilitates the user to run more than one operating systems on a single system simultaneously
Saves the existing operating system’s configuration in the form of virtual machines
Users may work on different OS even without switching between the OSs.
The virtual machine communicate by using a virtual switch [vSwitch] /uplink adaptors. It uses the physical NICs associated with the host server so as to connect the physical and virtual network.
It is the network of virtual machines running on the physical server that are logically connected with each other.
A few of the disadvantages include:
One must have the better understanding of the concept
It requires a huge investment to buy the resources
High-end server is required that increases the cost
Different technologies are required for implementation
System failures compensation is too costly with less reliability
I hope you have got a glimpse of the Interview. Though there may be other in-depth questions that might be asked, these are basic knowledge one must know before attending an interview.
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