3i Infotech Interview Questions, Process, and Tips

Q1. What is the difference between static ip and DHCP? When would you use each?
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Q2. How do you troubleshoot a system that running slow?
Ans. 
To troubleshoot a slow system, identify resource bottlenecks, check for malware, and optimize settings.
• Check Task Manager for high CPU or memory usage; for example, if a specific application is consuming excessive resources.

• Run a disk cleanup to remove temporary files and free up space, which can improve performance.

• Scan for malware using antivirus software, as infections can significantly slow down a system.

• Disable un...read more
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Q3. How do you handle printer and network sharing issues?
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I troubleshoot printer and network sharing issues by diagnosing connectivity, driver, and configuration problems systematically.
• Check physical connections: Ensure the printer is powered on and connected to the network.

• Verify network settings: Use the printer's control panel to check IP address and network status.

• Update drivers: Ensure the latest printer drivers are installed on the client machines.

• Test connectivity: Pi...read more
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Q4. What is DNS and how does it work?
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DNS translates domain names into IP addresses, enabling browsers to load Internet resources.
• DNS stands for Domain Name System.

• It acts like a phonebook for the internet, mapping domain names (e.g., www.example.com) to IP addresses (e.g., 192.0.2.1).

• When you enter a URL in your browser, a DNS query is sent to a DNS server to resolve the domain name.

• The DNS server responds with the corresponding IP address, allowing your ...read more
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Q5. How to configure outlook?
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Configuring Outlook involves setting up email accounts, adjusting settings, and ensuring connectivity for optimal use.
• Open Outlook and go to 'File' > 'Account Settings' > 'Account Settings'.

• Click 'New' to add a new email account and select 'Email Account'.

• Enter your name, email address, and password, then click 'Next'.

• Outlook will attempt to configure the account automatically; if it fails, select 'Manual setup'.

• ...read more
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Q6. What is the difference between ping and tracert commands?
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Ping checks connectivity to a host, while Tracert traces the route packets take to reach that host.
• Ping sends ICMP Echo Request packets to test reachability.

• Tracert sends packets with increasing TTL values to map the route.

• Example of Ping: 'ping google.com' checks if Google is reachable.

• Example of Tracert: 'tracert google.com' shows the path taken to reach Google.

• Ping measures round-trip time, while Tracert shows each
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Q7. What are steps to install windows on a new system?
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Steps to install Windows on a new system include preparing the installation media, configuring BIOS, and completing the installation process.
• 1. Prepare installation media: Use a USB drive or DVD with Windows installation files.

• 2. Configure BIOS/UEFI: Access BIOS settings to set boot order to USB/DVD first.

• 3. Boot from installation media: Insert the USB/DVD and restart the computer.

• 4. Select language and preferences: Ch...read more
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Q1. How do you Decommission a server?
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Decommissioning a server involves several steps to safely remove it from service.
• Backup any necessary data or configurations before proceeding.

• Notify stakeholders and users of the server's decommissioning.

• Remove the server from any load balancers or DNS records.

• Power off the server and physically disconnect it from the network.

• Document the decommissioning process for future reference.
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Q2. What are the port numbers for DNS, RDP and DHCP.?
Ans. 
DNS - 53, RDP - 3389, DHCP - 67/68
• DNS uses port 53 for both TCP and UDP communication

• RDP uses port 3389 for TCP communication

• DHCP uses ports 67 and 68 for UDP communication
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Q3. Difference between 2016 and 2019 server?
Ans. 
Windows Server 2019 has more advanced features and improvements compared to Windows Server 2016.
• Windows Server 2019 has improved security features such as Windows Defender Advanced Threat Protection (ATP) and Windows Defender Exploit Guard.

• Windows Server 2019 includes enhancements in virtualization with features like Shielded Virtual Machines and Encrypted Networks.

• Windows Server 2019 has improved support for Linux vir...read more
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Q1. How do you resolve the BSOD?
Ans. 
BSOD can be resolved by identifying the root cause, checking for hardware/software issues, updating drivers, and performing system restore.
• Identify the error code displayed on the BSOD screen to determine the root cause.

• Check for hardware issues such as faulty RAM or hard drive.

• Update drivers for hardware components like graphics card or network adapter.

• Perform a system restore to revert back to a stable state before t
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Q2. How do you trouble shoot when the user is not able to take the Remote access of a server?
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To troubleshoot when a user is unable to take remote access of a server, check network connectivity, firewall settings, user permissions, and remote desktop services.
• Check network connectivity to ensure the user can reach the server.

• Verify firewall settings to ensure the necessary ports are open for remote access.

• Check user permissions on the server to ensure the user has the necessary access rights.

• Verify the status o...read more
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Q1. What is the meaning of technical support
Ans. 
Technical support refers to providing assistance and troubleshooting for technical issues related to hardware, software, or other technology.
• Assisting users with hardware and software issues

• Troubleshooting technical problems

• Providing guidance on how to use technology effectively

• Resolving network connectivity issues

• Offering support for system upgrades and installations
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Q2. Why I'm choosing this field
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Q1. What is troubleshooting
Ans. 
Troubleshooting is the process of identifying, diagnosing, and resolving technical issues or problems.
• Identifying the issue or problem

• Gathering information and data related to the issue

• Analyzing the information to determine possible causes

• Testing and implementing solutions to resolve the issue

• Verifying that the issue has been resolved
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Q2. Steps that involves during troubleshooting
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Troubleshooting steps involve identifying the issue, gathering information, isolating the problem, implementing a solution, and testing the solution.
• Identify the issue reported by the user

• Gather information about the issue such as error messages or recent changes

• Isolate the problem by narrowing down possible causes

• Implement a solution based on the identified cause

• Test the solution to ensure the issue is resolved
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Q1. Explain what are the aim of organisation
Ans. 
The aim of an organization is to achieve its goals and objectives, fulfill its mission, and provide value to its stakeholders.
• To achieve its goals and objectives

• To fulfill its mission

• To provide value to its stakeholders
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Q2. How can you handle a panic situation , if it happens suddenly in absence of your tl
Ans. 
In a panic situation without a team lead, I would stay calm, assess the issue, and prioritize tasks effectively.
• Stay calm and composed to think clearly.

• Assess the situation quickly to identify the root cause.

• Prioritize tasks based on urgency and impact.

• Communicate with team members or escalate if necessary.

• Document the issue and steps taken for future reference.
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Prev job work and project details , roles and responsibility

Q1. What is SDLC process
Ans. 
SDLC process is a structured approach to software development that defines tasks performed at each stage of the software development life cycle.
• SDLC stands for Software Development Life Cycle

• It includes stages like planning, analysis, design, implementation, testing, and maintenance

• Each stage has specific goals and deliverables to ensure the quality and success of the software project
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Q2. What is the ASp.net mean for ?
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ASP.NET stands for Active Server Pages .NET, a web application framework developed by Microsoft.
• ASP.NET is a server-side web application framework used for building dynamic web pages and web applications.

• It allows developers to create web applications using languages like C# or VB.NET.

• ASP.NET provides tools and libraries for building web forms, MVC (Model-View-Controller) applications, and Web API services.

• It is part o...read more
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