IBM System Service Engineer Interview Questions and Answers

Q1. How ls command works?
Ans. 
ls command is used to list files and directories in a directory.
• ls command stands for 'list'.

• It displays the names of files and directories in the current directory by default.

• Options can be used with ls command to customize the output, such as -l for long listing format or -a to show hidden files.

• Example: 'ls -l' will display files and directories in long listing format.
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Q2. How DNS works ?
Ans. 
DNS translates domain names to IP addresses to locate resources on the internet.
• DNS servers store records mapping domain names to IP addresses

• When a user enters a domain name, their device queries a DNS server to resolve it

• DNS uses a hierarchical system with top-level domains like .com or .org
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Q1. Tech round of interview
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Q1. Technical rpund of interview
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Q1. General abou project details
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Q1. Its all about the wintel technology.
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Q2. How domain migration work.
Ans. 
Domain migration involves transferring data, applications, and infrastructure from one domain to another.
• Assess current domain setup and requirements for new domain

• Plan migration strategy including timeline and resources

• Backup data and applications to prevent loss

• Test migration process in a controlled environment

• Execute migration with minimal downtime and disruptions

• Verify data integrity and functionality post-migratio...read more
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Q3. How you troubalshoot AD issue
Ans. 
To troubleshoot AD issues, I analyze logs, check network connectivity, verify DNS settings, and test user authentication.
• Analyze event logs for any errors or warnings related to Active Directory

• Check network connectivity between the domain controller and client machines

• Verify DNS settings to ensure proper resolution of domain controller names

• Test user authentication by logging in with different user accounts
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Reasoning arthemetic

Basic coding skills technical questions

Consist of Logical and English aptitude questions.

Q1. One-on-One interview
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Q1. My name is ganesh iam from Dilsukhnagar chaitynapure panigiri colony
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Q2. Iam complete graduation bsc computer science 2020
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The aptitude they are ask up to the 12th level. so you need to prepare for aptitude first.
if you prepare for aptitude the book that i would recommand you is R S Agagarwal.
it will help you in cracking the other exams.
this book is sufficient for aptitiude you need not refer other material.

In 2nd round they are ask you about psudocode .
if you are good in psudocode then you can easily crack this round and can succesfully enter into the 3rd round which is your game based aptitude test.
for coding i will recommand youtube is best platform for you .
you may refer Apna College youtube channel for codingtutorial.

Q1. Coming to my interview experience Basically my interview is Introduction type. they ask me about basic of C and C++ , OOPs concept and SQL the source for interview i would refer Tech and Target youtube ch...read more
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Q2. What is difference between C and C++? what is polymorphism? what is data type?
Ans. 
C is a procedural language while C++ is an object-oriented language. Polymorphism is the ability of an object to take on many forms.
• C is a low-level language with limited abstraction while C++ is a high-level language with more abstraction and features like classes and objects.

• Polymorphism allows objects to be treated as if they are of different types, allowing for more flexibility and reusability in code.

• Data type ref...read more
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Q1. Why should we hire you?
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Q2. Where do you see yourself in 5 years?
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Q3. Tell me about yourself.
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Q1. Active directory
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Q2. Windows servers
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Q3. Powershell scripts
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Q4. Performance troubleshooting
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