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 VMware interview questions


1-How to fix Slow performance of VM ?How to start to fix troubleshooting.

2 If Host not responding .What is your next step.

2-Managemet service restart command ?

4-While ESXI putting maintenance mode it get stuck in between. How to fis this issue

5-How to Add a new Datastore in Cluster ?

6-How to migrate Disk one Datastore to another Datastore.

7-How to check storage issue from VMware side ?

8-How to fix if Your ESXI host has PSOD Error?

9-How to solve a VM slow performance recurring ?

10- A VM stuck during Vmotion ,How to fix ?

11-If Your ESXI host has PSOD error ,A VM not getting restarted to another host ,so how to make it aviliable.

13-Waht are precheck to upgrade vSphere upgrade?

14-How to Upgrade ESXI Host?

15-How to upgrade VCenter server ?

16-How to installed VCenter appliance server ?

17-After ESXI upgrade ,how you will revert back previous version?

18-how to migrated standard to Dv switch?

19-if Backup failed a VM ,how to Fix this issue?

20-What is the reasonVM is appread as orphaned VM?

21-What is VM port Group & its use ?

22-What is VMkernel port & what is its purpose ?

23-What are different ways to upgrade Esxi Host?

24-What are different ways to upgrade VCHA?

25-How to fix VM VM disk latency issue ?

26-How to change Vmdisk thick to Thin ?

27-What happen if two VM has same IP assigned ?

28-What is Raid 10 and Raid 01 and is better?

29-Explain RAID 5 & RAID 6 Explain ?

30-What is ESXI Parttion explain about its uses?

31-Which logs you required to pull in case of PSOD ?

32- Tell me about VM files and its use.

33-Can you map Physical NIC to Multiple Virtual Switch?

34-Whcich services are impacted when Vcenter goes down ?

35-After upgrade Esxi host ,You observe exi is booting again & again?

36- How to clone a VM without Vcenter ?

37-What are DPM & Proactive HA?

38- What are slot calculation ?

39-How to calculate IOPS

40 New feature of esxi 8.0 and latest bundle?

41-What is VSAN and how we replace disk.

42-How to upgrade Vrail vcenter?

43-if we have 4 node cluster how many IP is required/

44-A VMFS datstore full ,how can you fix ?

45-Diifrence between Standard Switch and DV switch ?

46-After moving a esxi Another cluster its Vmotion not working ?

47-How to do P2v and V2v ?

48-How to upgrade firmware of ESXI hardware HP & Dell?

49 -how to make base line of Esxi upgrade 

50- what is difference between HA & Procative HA?

51-How to fix if you find VIB error during esxi upgrade?

52-How to mount & unmount Datastore in esxi cluster?

53-Use of esxtop?

54-How to migrate VM to cloud & which tool your Orgnization using.

55-Diffrence between Clone & Template.

56-What are license Model of VMware vsphere?

57-which version is esxi in your Environment and vmtools version ?

58-Diffrence between RAID 1 and RAID 5?

59- Snapshot limitation and its use .

60-What last 2 issue you face in your Orgnization & how you tackle this.

61-Diffrence between vsphere 7.0 and 8.0 ?

62- Can we upgrade 6.5 to 8.0 ?

63-Tell me about DR activity ?

64-How to configure SR ?

65-Describe How to make template and manage ?

66-how to Add a esxi host in DVswitch?

67-Where can you find VM logs ?

68-How many types of storage supported in esxi cluster?

69-What are reason you are unable to Expand Datastore?

70 What is reason we are unable to increase Disk size ?

71-What is reason to snapshot failing ?

72- How many snapshot can we take ?

73-What is memory ballooning ?

74-what are memory managemet techniques in esxi?

75-What is EVC mode ? how we deployed in ESXI cluster?

76-How we recreate VMX file in case if it gets deleted or lost.

77-Will VMs communicate to each if Esxi server Management is down?

78-Tell me election process of HA ?

79-How many Files are created when you create New VM?

80-What is affinity & Anti-afinity Rule?

81-How to troubleshoot an issue if Vmotion failed.

82-Vmotion Background Process ?

83- What it FT logging .

84- How to Configure FT ?

85-How you handle if a Critical VM becomes unresponsive.

86-How to Configure VCHA in VMware infra?

87-How you Configure DRS & Troubleshoot it?

88-what is Lockdown Mode ?how its Enable?

89-How to install Esxi from Scratch?

90-How to Add esxi host in domain,

91 -what is difference enhance & Link mode Vcenter.

92-How to make Host profle and its bemefit?

93-Diffrence between upgrade manager & life cycle manager.

94- Diffrent types of DRS rule ?

95-Diifrence between OVF & OVA?

96-What is Content Library?

97-Expalin purpose of Linked mode Vcenter?

98-What is features of VMFS ?

97-what is diffrence Between VMDK & Flat Vmdk?

98-What is bott Process of Esxi server?

99-Diffrence Between Acess port & Trunk Port?

100-How can we upgrade Hardware of VM?

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