Showing posts with the label Windows VMware Interview questions

VMware and Windows Interview Questions: Part 9

How can I change the EVC mode of an existing cluster? You need to shutdown all running VMs in that cluster to change the EVC mode What if reconnecting the ESXi host back to an EVC cluster fails? Make a note of the VM folders Remove the ESXi host from the inventory Add the ESXi host directly to the vCenter outside the EVC cluster Now move the server to the EVC cluster Add the VMs back to the folders What is PSC? PSC is Platform Service Controller This is an extended SSO model which was there in pre 6.0 versions It takes care of authentication,licensing,certificates etc.. What are the two deployment models of PSC? Embedded & External Embedded if PSC is installed in vCenter box External if PSC is installed outside vCenter in separate box How can I check if storage is VAAI capable? Check datastore and confirm if it supports Hardware Acceleration What is vmx~? In addition to the normal vmx file, from vSphere 6.0 onwards there is an additional file vmx~

VMware and Windows Interview Questions: Part 5

1.      What’s the number of permitted unsuccessful logons for Administrator account? a.       Unlimited - Only for Administrator, not for others in Administrators group 2.      Difference between Everyone and Authenticated users? a.       Authenticated Users  - Include all Users and Computers whose identities have been authenticated. b.      Everyone  - For Windows 2003 and above, 'Everyone' includes all Authenticated Users including Guest accounts. Before Windows 2003, 'Everyone' includes all Authenticated Users , Guest accounts and Anonymous account. 3.      How many passwords by default are remembered when you check “Enforce Password History Remembered”? a.       24 4.      What is an IP Helper address feature and why is it required in a DHCP environment ? a.       IP helper-address helps to implement DHCP relay agent in Cisco routers b.      This is configured at the network interface of the router containing the DHCP client c.       The IP

VMware and Windows Interview Questions: Part 6

1.      Can we setup an AD site  without a DC ? a.       Yes.. 2.      What is DAS ? How is it connected to the server ? a.       DAS is Direct Attached Storage. DAS is available with many vendors. When a server has exhausted all its storage resource, we can connect a DAS solution to it. DAS can be connected to a server using SAS cable. 3.      How is an iscsi device connected to a server ? a.       An iscsi device can be connected using the iqn number. 4.      How can I add new HDD space to an existing drive ? a.       Convert the drive from Basic to Dynamic 5.      What happens when a standalone host is taken into maintenance mode ? a.       The activity will wait until all VMs are shutdown. 6.      What if all GC in the environment are down ? a.       GC is required for multi domain forests - In a single domain infrastructure, the DCs will not contact the GC for authenticating. But in multi domain infrastructure, GC is required for authentication. b.     

VMware and Windows Interview Questions: Part 8

1.      Can you map a single physical NIC to multiple virtual switches ? o     No 2.      Can you map a single virtual switch to multiple physical NICs? o     Yes. This method is called NIC teaming. 3.      In vSphere 5.5, VMKernel portgroup can be used for: o     vMotion o     Fault Tolerance Logging o     Management traffic 4.      Major difference between ESXi 5.1 and ESXi 5.5 (above) free versions o     Till ESXi 5.1 free version there was a limit to the maximum physical memory to 32 GB. But from 5.5 onwards this limit has been lifted. 5.      What is IPAM server in Windows server 2012? o      IPAM is IP Address Management server in Windows Server 2012. It  enables central management of both DHCP and DNS servers. It can also be used to discover, monitor, and audit DHCP and DNS servers. 6.      How to promote a server to domain controller in Windows server 2012? o     DCPROMO was the conventional tool used to promote a normal server to DC. This is now d

VMware and Windows Interview Questions: Part 7

1.      Which networking features are recommended while using iSCSI traffic o     iSCSI port binding o     Jumbo Frames 2.      Ports used by vCenter o     80,443,902 3.      What is 'No Access' role o     Users assigned with the 'No Access' role for an object, cannot view or change the object in any way 4.      When is a swap file created o     When the guest OS is first installed in the VM 5.      The active directory group, where the members will be ESXi administrators by default. o     ESX Admins 6.      Which is the command used in ESXi to manage and retrieve information from virtual machines ? o     vmware-cmd 7.      Which is the command used in ESXi to view live performance data? o     esxtop 8.      Command line tool used in ESXi to manage virtual disk files? o     vmkfstools 9.      Port used for vMotion o     8000 10. Log file location of VMware host o     \var\log\vmware VMware and Windows Interview Question

VMware and Windows Interview Questions: Part 4

Can I deploy non-MSI software with GPO? Yes, you can. Apart from MSI packages, GPO also supports deployment of ZAP files How frequently is the client policy refreshed ? By default, group policy is updated in the background every 90 minutes. You can specify an update rate from 0 to 44,640 minutes (31 days). If you select 0 minutes, the computer tries to update Group Policy every 7 seconds. However, because updates might interfere with users' work and increase network traffic, very short update intervals are not appropriate for most installations. The refresh interval can be configured manually using group policy - GPO --> Computer Configuration --> Administrative Templates --> System --> Group Policy --> Set Group Policy refresh interval for Computers

VMware and Windows Interview Questions: Part 3

What is vSAN ? It is a hypervisor-converged storage solution built by aggregating the local storage attached to the ESXi hosts managed by a vCenter.  Recommended iSCSI configuration? A separate vSwitch, and a separate network other than VMtraffic network for iSCSI traffic. Dedicated physical NICs should be connected to vSwitch configured for iSCSI traffic. What is iSCSI port binding ? Port binding is used in iSCSI when multiple VMkernel ports for iSCSI reside in the same broadcast domain and IP subnet, to allow multiple paths to an iSCSI array that broadcasts a single IP address.

VMware scenario based interview questions

vMotion failed at 14%. What could be the possible reasons ? How to extend a logical volume in Windows 2003 hosted in VMware ? CentOS Network interface is not detecting after VMware clone ? SQL servers hosted in VMs are facing performance degradation. How to confirm whether it is

VMware Quiz - Part 1

Take this quiz to analyze your skill in VMware!

VMware Prerequisites : Quick reference

vMotion Host must be licensed for vMotion Configure host with at least one vMotion n/w interface (vmkernel port group) Shared storage (this has been compromised in 5.1) Same VLAN and VLAN label GigaBit ethernet network required between hosts

VMware and Windows Interview Questions: Part 2

VMware and Windows Interview Questions: Part 1 VMware and Windows Interview Questions: Part 2 VMware and Windows Interview Questions: Part 3 VMware and Windows Interview Questions: Part 4 VMware and Windows Interview Questions: Part 5 VMware and Windows Interview Questions: Part 6 VMware and Windows Interview Questions: Part 7 VMware and Windows Interview Questions: Part 8 Follow this link for scenario based VMware interview questions. Maximum number of LUNs that can be attached to a host (ESXi 5.0) 256 Maximum number of vCPUs that can be assigned to a VM (ESXi 5.0) 32

VMware and Windows Interview Questions: Part 1

VMware & Windows Interview Questions : Part 1 Windows 2003 vs Windows 2008