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Kyndryl Vmware System Administrator Interview Questions and Answers
5 Interview questions
Configuring vMotion involves setting up networking and storage for seamless VM migration between hosts.
Ensure all ESXi hosts are connected to the same vSwitch for vMotion.
Create a dedicated VMkernel port for vMotion traffic with a unique IP.
Enable vMotion on the VMkernel port settings.
Verify that the MTU size is set to 9000 for Jumbo Frames if required.
Ensure proper network configuration to avoid latency issues du...
vCenter down affects management but HA and DRS can still function for VMs.
HA (High Availability) can restart VMs on other hosts if a host fails, independent of vCenter.
DRS (Distributed Resource Scheduler) can manage resource allocation based on existing rules, but requires vCenter for initial configuration.
If vCenter is down, HA can still monitor hosts and VMs, ensuring uptime.
DRS will not be able to make new reso...
Migrating a host from a standard switch to a distributed switch involves several steps to ensure network continuity.
Prepare the Distributed Switch: Create a distributed switch in vCenter and configure the necessary settings, such as VLANs.
Migrate Port Groups: Move the port groups from the standard switch to the distributed switch, ensuring they are properly configured.
Update VM Network Adapters: Change the network...
Redo log files are used in VMware to track changes to virtual machine states, ensuring data integrity during operations.
Redo log files store changes made to a virtual machine's memory and disk state.
They are crucial for VM snapshots and help in restoring the VM to a previous state.
vmsn files are snapshot files that contain the state of the VM's memory at the time of the snapshot.
vmsd files are metadata files that ...
Patching vCenter and ESXi requires careful planning and prerequisites to ensure system stability and security.
Backup vCenter and ESXi configurations before patching.
Check compatibility of patches with current versions of vCenter and ESXi.
Review VMware release notes for specific patch details and requirements.
Ensure sufficient disk space is available on the ESXi host for the patch.
Schedule downtime for vCenter and ...
Kyndryl Vmware System Administrator Interview Experiences
1 interview found
Divakar Kumar
Selected
I appeared for an interview before Apr 2024, where I was asked the following questions.
- Q1. If your vcenter down,HA and DRS will work.
- Ans.
vCenter down affects management but HA and DRS can still function for VMs.
HA (High Availability) can restart VMs on other hosts if a host fails, independent of vCenter.
DRS (Distributed Resource Scheduler) can manage resource allocation based on existing rules, but requires vCenter for initial configuration.
If vCenter is down, HA can still monitor hosts and VMs, ensuring uptime.
DRS will not be able to make new resource ...
- Q2. If you are unable to migrate the VMs from one host to another,what is the issues and how would you trouble shoot them.
- Ans.
VM migration issues can arise from various factors, including network problems, resource constraints, or configuration errors.
Network Connectivity: Ensure that the source and destination hosts are on the same network and can communicate. For example, check if the VMkernel ports are configured correctly.
Resource Availability: Verify that the destination host has enough CPU, memory, and storage resources to accommodate t...
- Q3. How to patch you vcenter and esxi.what is the prerequisites for them.
- Ans.
Patching vCenter and ESXi requires careful planning and prerequisites to ensure system stability and security.
Backup vCenter and ESXi configurations before patching.
Check compatibility of patches with current versions of vCenter and ESXi.
Review VMware release notes for specific patch details and requirements.
Ensure sufficient disk space is available on the ESXi host for the patch.
Schedule downtime for vCenter and ESXi ...
- Q4. What is redo logs files.what is diff between vmsn an vmsd.
- Ans.
Redo log files are used in VMware to track changes to virtual machine states, ensuring data integrity during operations.
Redo log files store changes made to a virtual machine's memory and disk state.
They are crucial for VM snapshots and help in restoring the VM to a previous state.
vmsn files are snapshot files that contain the state of the VM's memory at the time of the snapshot.
vmsd files are metadata files that store...
- Q5. How to upgrade vcenter and it's pre requisite
- Q6. How to migrate the host from standard switch to distributed switch.
- Ans.
Migrating a host from a standard switch to a distributed switch involves several steps to ensure network continuity.
Prepare the Distributed Switch: Create a distributed switch in vCenter and configure the necessary settings, such as VLANs.
Migrate Port Groups: Move the port groups from the standard switch to the distributed switch, ensuring they are properly configured.
Update VM Network Adapters: Change the network adap...
- Q7. How to configure vmotion on switch and it's requirement.
- Ans.
Configuring vMotion involves setting up networking and storage for seamless VM migration between hosts.
Ensure all ESXi hosts are connected to the same vSwitch for vMotion.
Create a dedicated VMkernel port for vMotion traffic with a unique IP.
Enable vMotion on the VMkernel port settings.
Verify that the MTU size is set to 9000 for Jumbo Frames if required.
Ensure proper network configuration to avoid latency issues during ...
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Interview Questionnaire
1 Question
- Q1. Technical questions
Interview Questionnaire
2 Questions
- Q1. Control-M Architecture
- Q2. Control-M HA
Interview Questionnaire
3 Questions
- Q1. How to check server performance, incase application running on the server performing slow, what will you do ?
- Ans.
To check server performance, monitor CPU, memory, disk usage. Use tools like top, htop, iostat. Check logs for errors.
Monitor CPU usage with top or htop command
Monitor memory usage with free or vmstat command
Monitor disk usage with df or iostat command
Check logs for errors related to the application
Use performance monitoring tools like Nagios or Zabbix
- Q2. How to actiavate a Volume Group or LV ?
- Ans.
To activate a Volume Group or LV, use the vgchange or lvchange command.
Use the vgchange command to activate a Volume Group.
Use the lvchange command to activate a Logical Volume.
Specify the name of the Volume Group or Logical Volume as an argument.
Use the -a y option with vgchange to activate all Volume Groups.
Use the -a y option with lvchange to activate all Logical Volumes in a Volume Group.
- Q3. How would you present a SAN LUN to Solaris LDOM or CDOM ?
- Ans.
To present a SAN LUN to Solaris LDOM or CDOM, we need to follow a few steps.
First, we need to identify the SAN LUN and the target LDOM/CDOM.
Then, we need to create a logical device using the format command.
Next, we need to configure the LUN using the cfgadm command.
Finally, we need to add the LUN to the LDOM/CDOM using the ldm add-vdsdev command.
Skills evaluated in this interview
PALANIVEL M
(1 Question)
- Q1. What is your last package?
YASIN S
(2 Questions)
- Q1. What is Linux and which flavor you've worked on?
- Ans.
Linux is an open-source operating system based on Unix, known for its stability, security, and flexibility.
Linux is an open-source operating system that is widely used in servers, supercomputers, and embedded systems.
There are many flavors of Linux, known as distributions, such as Ubuntu, CentOS, Debian, and Red Hat.
Each Linux distribution has its own package management system, desktop environment, and software reposit...
- Q2. What is roles and responsibilities as a system admin
- Ans.
System administrators manage and maintain IT systems, ensuring optimal performance, security, and user support.
System installation and configuration: Setting up servers and software applications.
User management: Creating and managing user accounts and permissions.
System monitoring: Regularly checking system performance and logs for issues.
Backup and recovery: Implementing data backup solutions and disaster recovery pla...
(2 Questions)
- Q1. Salary expectations
- Q2. How fast you can join
Skills evaluated in this interview
Selected
I applied via Referral and was interviewed in Jan 2023. There were 2 interview rounds.
(3 Questions)
- Q1. Check my language skills?
- Q2. What is OSI layer with examples?
- Ans.
OSI (Open Systems Interconnection) model is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system.
OSI model has 7 layers, each layer has a specific function and communicates with the layer above and below it.
Examples of OSI layers are: Physical layer (transmitting bits over a medium), Data link layer (framing data into packets), Network layer (rout...
- Q3. What are CMD commands usually used?
- Ans.
CMD commands are used for various tasks like managing files, network settings, system configurations, and more.
CMD commands are used to navigate and manage files and directories on a computer.
They can be used to configure network settings and troubleshoot network issues.
CMD commands can also be used to manage system configurations and services.
Some commonly used CMD commands include dir, cd, ipconfig, ping, netstat, an...
Interview Preparation Tips
Skills evaluated in this interview
(2 Questions)
- Q1. What is Linux Boot Process ?
- Ans.
Linux Boot Process is the sequence of events that occur from power on to the login prompt.
BIOS/UEFI firmware initializes hardware
Bootloader loads kernel into memory
Kernel initializes system processes and mounts filesystems
Init process starts system services and user login
Graphical user interface (GUI) or command line interface (CLI) is presented to user
- Q2. What is NIC Teaming ?
- Ans.
NIC teaming is the process of combining multiple network interface controllers to work as a single virtual NIC.
NIC teaming provides redundancy and load balancing for network traffic.
It can be configured in different modes such as switch independent, LACP, and static.
NIC teaming is commonly used in server environments to improve network performance and availability.
Example: Combining two 1 Gbps NICs to create a 2 Gbps v...
Interview Preparation Tips
Skills evaluated in this interview
Guttula srinivas
I applied via Naukri.com and was interviewed in Jun 2022. There were 2 interview rounds.
(2 Questions)
- Q1. Asking about the daily rotain
- Q2. What are the challenge
Interview Preparation Tips
System Administrator Interview Questions & Answers
Genpact
Gadicharla.Harikrishna
posted on 18 Nov 2024
Reasoning arthemetic
Basic coding skills technical questions
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