Programmers.io IT Manager Interview Questions and Answers

Q1. Technical test on the IT Infrastructure
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About your work experience and about yourself

Q1. What is osi and networking concepts
Ans. 
OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.
• OSI model is divided into 7 layers, each responsible for specific functions in networking.

• Each layer communicates with the adjacent layers to provide a seamless flow of data.

• Examples of OSI layers include Physical Layer, Data Link Layer, Network Layer, Transport
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Q1. Desktop L1 questions only, questions from candidate resume what they are mentioned.
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Q2. IT L1 interview questions
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Q1. F2F / or over Ms Teams, Introductions and basic questions only.
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Q1. What is a DNS?
Ans. 
DNS stands for Domain Name System, which translates domain names to IP addresses.
• DNS is like a phone book for the internet, translating human-readable domain names (like google.com) to IP addresses (like 172.217.3.206).

• It helps users access websites by typing in easy-to-remember domain names instead of complex IP addresses.

• DNS servers store records of domain names and their corresponding IP addresses, allowing for effi...read more
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Q2. How does a DHCP work
Ans. 
DHCP assigns IP addresses to devices on a network automatically
• DHCP server receives a request from a device for an IP address

• DHCP server assigns an available IP address to the device

• DHCP server also provides other network configuration information like subnet mask and default gateway

• DHCP lease time determines how long the IP address is valid for

• DHCP uses a client-server model
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Q3. How do you troubleshoot a browser slowness issue
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To troubleshoot browser slowness, check for network issues, clear cache and cookies, disable extensions, update browser, and check for malware.
• Check for network issues such as slow internet connection

• Clear browser cache and cookies to improve performance

• Disable unnecessary browser extensions that may be causing slowness

• Update the browser to the latest version for better performance

• Scan for malware or viruses that could
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Q1. Are you open to work in shifts
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Q2. What is the current and expected CTC
Ans. 
Current CTC is $70,000 and expected CTC is $80,000
• Current CTC: $70,000

• Expected CTC: $80,000
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Q3. What is the current notice period
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Q1. What is AD ,Tell me about iso layers,what is tcp/ip.
Ans. 
AD is Active Directory, a directory service developed by Microsoft. ISO layers refer to the OSI model, and TCP/IP is a protocol suite.
• Active Directory is a directory service used to manage resources in a network.

• ISO layers refer to the Open Systems Interconnection model, which is a conceptual model used to describe network communication.

• TCP/IP is a protocol suite used for communication between devices on a network.

• TCP/...read more
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Q1. Salary discussion,joining avail and previous emp details
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Q1. Introduce your self , how many languages you know ,where did you staying now,tell me about your family
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Need to score min 60 out of 100

10 candidates group discussion on topic

Q1. Linux cmds related to file system and process
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Q2. Write sql queries on employee table?
Ans. 
SQL queries on employee table
• SELECT * FROM employee;

• SELECT name, age, salary FROM employee WHERE department='IT';

• SELECT COUNT(*) FROM employee WHERE salary > 50000;

• SELECT AVG(salary) FROM employee WHERE department='Sales';
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Q3. Questions on java & webserver?
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