NSE.IT Interview Questions, Process, and Tips

Screening test is is held in first there are some actor question some general English question some coding question and technical question like operating system DBMS etc. Coding question are based in only Java language aur in Java language most important chapter is exception and code error finding.

Q1. In technical round question I was asked by interviewer some question there are what is the the out method in loop. Describe the switch case in Java. Create a array and return the index number. And obviousl...read more
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Q2. How to define array in Java? Describe switch case method in java? Create a array and return the index number of the array in Java? What is polymorphism in Java? What is extends keyword in Java? Tell me abo...read more
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Q1. Tell me about yourself.
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Q2. Tell me about yourself and after that some discussion about my personal project and our college project what is my role and how it is built by my team and by my me and after that interviewer asks a coding ...read more
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Q1. What hoppies and background education
Ans. 
I have a Bachelor's degree in Computer Science and enjoy coding, problem-solving, and learning new technologies.
• Bachelor's degree in Computer Science

• Proficient in coding and problem-solving

• Passionate about learning new technologies

• Experience with programming languages such as Java, Python, and C++
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Q2. What is java. And callection and applet and overloading and constructor
Ans. 
Java is a programming language. Collection is a framework for storing and manipulating data. Applet is a program that runs within a web browser. Overloading is a way to define multiple methods with the same name but different parameters. Constructor is a special method used to initialize objects.
• Java is an object-oriented programming language

• Collection is a framework that provides interfaces and classes for storing and...read more
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Q1. What is ip address and ip class range
Ans. 
An IP address is a unique identifier assigned to devices on a network. IP class ranges determine the size of the network.
• IP address stands for Internet Protocol address

• It is a numerical label assigned to each device connected to a network

• IPv4 addresses are 32-bit and IPv6 addresses are 128-bit

• IP class ranges determine the number of networks and hosts within a network

• Class A ranges from 1.0.0.0 to 126.0.0.0

• Class B range...read more
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Q2. What is tcp/ip and what is process msking node
Ans. 
TCP/IP is a set of protocols used for communication between devices on the internet. Process making node refers to a node that initiates a communication process.
• TCP/IP is a suite of communication protocols used for internet communication

• It stands for Transmission Control Protocol/Internet Protocol

• TCP is responsible for ensuring reliable transmission of data while IP is responsible for routing the data to its destinatio...read more
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Q1. How to insert maximum IP address in one lan card.
Ans. 
To insert maximum IP addresses in one LAN card, use subnetting to divide the IP address range into smaller subnets.
• Use subnetting to divide the IP address range into smaller subnets

• Assign each subnet to a different device on the LAN

• Use CIDR notation to specify the subnet mask

• Configure the LAN card with the appropriate IP address and subnet mask
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Q2. How to Make bootable pen drive through Dos Command.
Ans. 
To make a bootable pen drive through DOS command, you can use the 'diskpart' utility.
• Open Command Prompt as administrator

• Type 'diskpart' and press Enter

• Type 'list disk' to display all connected disks

• Identify your USB drive based on its size

• Select the USB drive by typing 'select disk X' (replace X with the disk number)

• Clean the USB drive by typing 'clean'

• Create a new primary partition by typing 'create partition primary...read more
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Q3. How to get Backup CCTV footage
Ans. 
To get backup CCTV footage, access the DVR system and locate the specific date and time of the footage needed.
• Access the DVR system using the admin credentials

• Locate the specific date and time of the footage needed

• Export the footage to a USB drive or external storage device

• Ensure that the backup process is completed successfully
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Q4. Difference between Class A, Class B Class CIPaddress
Ans. 
Class A, Class B, and Class C IP addresses are different classes of IP addresses used for network identification and addressing.
• Class A IP addresses have a range from 1.0.0.0 to 126.255.255.255, with the first octet being the network portion.

• Class B IP addresses have a range from 128.0.0.0 to 191.255.255.255, with the first two octets being the network portion.

• Class C IP addresses have a range from 192.0.0.0 to 223.255...read more
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All java topics and aptitude and multithreading

JD, java, multithreading, collections, constructor