Preeminent Technology System Administrator Interview Questions and Answers for Experienced

Normal aptitude questions

Q1. Webdriver waits
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Q2. Tell about your framework
Ans. 
My framework is based on a modular architecture, allowing for easy customization and scalability.
• Modular architecture for easy customization

• Scalability for future growth

• Integration with various tools and technologies

• Automated testing and deployment processes
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Q3. Tell about OOPS concepts
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OOPS concepts refer to Object-Oriented Programming concepts which include encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (object)

• Inheritance: Ability of a class to inherit properties and behavior from another class

• Polymorphism: Ability to present the same interface for different data types

• Abstraction: Hiding the complex impl...read more
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Q1. Salaey discussions
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Q1. They were asked an Activate Directory WSUS DHCP DNS WDS MDT FTP RAID Window 10 Group Policy
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Q1. They asked the Cluster and office365
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Q1. What are your reasons for wanting to join Infosys?
Ans. 
I am drawn to Infosys for its reputation as a leading global technology services and consulting company.
• Impressed by Infosys' innovative projects and solutions

• Desire to work with a diverse and talented team

• Opportunity for professional growth and development

• Attracted to Infosys' commitment to sustainability and social responsibility
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Q2. How do you perform when working under pressure?
Ans. 
I thrive under pressure, staying focused and organized to meet deadlines and deliver high-quality work.
• I prioritize tasks based on urgency and importance

• I communicate effectively with team members to ensure everyone is on the same page

• I remain calm and composed, focusing on problem-solving rather than panicking

• I have successfully completed projects under tight deadlines, such as implementing a critical system upgrade w
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Q1. What are the four pillars of Object-Oriented Programming (OOP)?
Ans. 
The four pillars of Object-Oriented Programming are encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Allowing a new class to inherit properties and behavior from an existing class.

• Polymorphism: The ability for objects of different classes to respond to the same message in different ways.

• Abstraction: Hiding...read more
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Q2. What is the difference between the TRUNCATE and DELETE commands in a database?
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TRUNCATE removes all records from a table, while DELETE removes specific records based on a condition.
• TRUNCATE is faster than DELETE as it does not log individual row deletions.

• TRUNCATE resets the auto-increment value of the table, while DELETE does not.

• TRUNCATE cannot be rolled back, while DELETE can be rolled back if used within a transaction.

• TRUNCATE does not trigger any delete triggers on the table, while DELETE do
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Q1. What is Dhcp server
Ans. 
DHCP server is a network server that automatically assigns IP addresses and other network configuration settings to devices on a network.
• Automatically assigns IP addresses to devices on a network

• Manages IP address allocation dynamically

• Reduces the need for manual configuration

• Helps in efficient network management
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Q2. What is Active directory
Ans. 
Active Directory is a directory service developed by Microsoft for Windows domain networks.
• Centralized database for managing network resources

• Stores information about users, computers, and other network objects

• Allows administrators to control access and permissions

• Facilitates single sign-on for users across network services
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Q3. What you think about Dns
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DNS is a crucial system that translates domain names to IP addresses, enabling internet communication.
• DNS stands for Domain Name System

• It translates human-readable domain names (like google.com) to IP addresses (like 172.217.3.206)

• DNS helps in locating websites and other resources on the internet

• It consists of multiple components like DNS servers, resolvers, and zones

• DNS can be configured with different types of record
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Q4. Explain what is Dora process
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DORA process stands for Define, Observe, Reflect, and Act. It is a problem-solving method used in engineering.
• Define the problem or goal

• Observe the current situation and gather data

• Reflect on the data and analyze possible solutions

• Act by implementing the best solution and evaluating the results
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Q5. What is bsod erro
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BSOD error stands for Blue Screen of Death error, a common error in Windows operating systems.
• BSOD error is a stop error displayed on a blue screen when Windows encounters a critical error and has to stop.

• It usually includes an error code and a message indicating the cause of the error.

• Common causes of BSOD errors include hardware failures, driver issues, and software conflicts.
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Q1. Tell me something about your self
Ans. 
I am a dedicated and experienced System Engineer with a strong background in network infrastructure and troubleshooting.
• Over 5 years of experience in designing, implementing, and maintaining complex systems

• Proficient in network protocols such as TCP/IP, DNS, DHCP

• Skilled in troubleshooting hardware and software issues

• Certified in Cisco CCNA and CompTIA Network+

• Strong communication and problem-solving skills
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Q2. If the the system is getting slow what action will required
Ans. 
Investigate the root cause of the slowness and take appropriate actions to optimize the system performance.
• Check system resource utilization (CPU, memory, disk)

• Identify any recent changes or updates that may have caused the slowdown

• Review system logs for any errors or warnings

• Optimize system configurations and settings

• Consider upgrading hardware or software if necessary
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Q1. Prepare for system technical issue
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Q2. What's HDD Different between SSD and HDD
Ans. 
HDD stands for Hard Disk Drive. It is a traditional storage device that uses spinning disks to store data.
• HDDs are slower than SSDs due to the mechanical nature of the spinning disks

• HDDs are cheaper than SSDs for the same amount of storage

• HDDs are commonly used in desktop computers and servers

• Examples of popular HDD brands include Seagate and Western Digital
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Q3. How to resolve wifi issue
Ans. 
To resolve wifi issue, check for connectivity, reset router, update drivers, and check for interference.
• Check if other devices can connect to the wifi network

• Reset the router by unplugging it for 30 seconds and plugging it back in

• Update the wifi drivers on the device

• Check for any interference from other devices or objects near the router
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Q4. How to disable internal keyboard
Ans. 
To disable internal keyboard, follow these steps:
• Open Device Manager

• Expand the Keyboards section

• Right-click on the internal keyboard and select Disable

• Confirm the action if prompted
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