# Patch Management Interview Questions:

***Q – What is patch management?***

A – Linux host patching helps in keeping the machines in an enterprise updated with security fixes and critical bug fixes, especially in a data center or a server farm.

***Q - Who provides patch?***

OS Vendors

Application Vendors

Network Equipment Vendors

***Types of Patches***

Critical Updates

Security Updates

Bug Fixes

OS Updates

***Best Practices***

Inventory your environment

Assign risk level of each servers

Takefull file systems backup

Always test patches in staging area first

Schedule downtime or maintenance windows

***Patch management strategies:***

Create a patch management policy

Use scanning tools that finds vulnerability

Use reporting to identify failed patches

Deploy patches as soon as testing is complete

Patch management is an area of systems management that involves acquiring, testing, and installing multiple patches (code changes) to an administered computer system.

Patch management tasks include: maintaining current knowledge of available patches, deciding what patches are appropriate for particular systems, ensuring that patches are installed properly, testing systems after installation, and documenting all associated procedures, such as specific configurations required.

## What is difference between TCP/IP and UDP?

TCP - Transfer Control Protocol.  
  
\* a. Reliable  
\* b.Connection oriented.  
\* c.Acknowledgement  
  
UDP - User Datagram Protocol.  
  
\* a.Non Reliable  
\* b.Connectionless  
\* [c. No](http://c.No) Acknowledgement

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1694175542868/0c8f216f-a37c-42ee-8eaf-96ce2563ed86.png align="center")

Open ManageEngine

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1694175566252/66cb19fb-dcb9-4e27-a8ad-3213a6ba4d19.png align="center")

Deployment-->Test & Approve-->Modify-->Select Automatically Without Testing

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1694175673705/6f811ca6-bf00-4ea7-8ba2-c1243e5e892a.png align="center")

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1694175769653/a3c198a5-81cf-4cbe-82a1-8311f541aac6.png align="center")

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1694175816595/929789bd-9567-4d56-a24b-d5fbecdf126a.png align="center")

Add Group-->Windows-->Patch Test Lab New(Group Name)-->Microsoft Applications(Select All)

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1694176428453/707604ac-3218-49a9-9ef9-8478b271fe52.png align="center")

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1694176469470/52bb99db-c328-4523-8f92-748feb61f578.png align="center")

Enable Notification and give the Mail id

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1694176523097/c8ce9b22-80d2-4861-803e-12a02b169472.png align="center")

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1694176550616/45fb4fce-f761-4382-ba71-bb33e015689c.png align="center")

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1694176559973/d2a6fed8-1f77-459f-a3f3-cec98899b050.png align="center")

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1694176585340/829826f0-08e2-4bb1-872b-601514f65ea0.png align="center")